The factors of given expression are: -5 and 3/4
Step-by-step explanation:
Given equation is:
[tex]4x^2+17x-15[/tex]
Making pairs for the mid-term 17x by factoring the product of co-efficient of 4x^2 and 15
[tex]4x^2+20x-3x-15[/tex]
[tex]= 4x(x+5) - 3(x+5)[/tex]
[tex]=(4x-3)(x+5)[/tex]
Now
[tex]4x-3 = 0\\4x = 3\\x = \frac{3}{4}[/tex]
[tex]x+5 = 0\\x = -5[/tex]
Hence,
The factors of given expression are: -5 and 3/4
Keywords: Quadratic equation, factors
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Find the equation of the plane that contains the point (6, 4, -2) and is perpendicular to the line that passes through the points (7, -2, 3) and (1, 4, -5).
Answer:
3x-3y+4z+2=0
Step-by-step explanation:
Answer:
3x-3y+4z+2=0
Step-by-step explanation:
34 is what percent of 170?
Answer:
20%
Step-by-step explanation:
let the percent be p
rewriting the expression:
p% of 170 is 34
or mathematically,
p% x 170 = 34
(p / 100) x 170 = 34 (divide both sides by 170)
p/100 = 34/170 (multiply both sides by 100)
p = (34 / 170) x 100
p = 20
hence 34 is 20% of 170
Estimate, then find the difference and write in simplest form 4 1/2-3 4/5
Answer:
7/10
Step-by-step explanation:
4 1/2=9/2
3 4/5=19/5
9/2-19/5=45/10-38/10=7/10
Which situation CANNOT be represented by this equation?
3x+4=19
CLEAR CHECK
Penny is selling candles for $3 each at a fund-raiser.
If she starts selling with $4 to help her make change, how many candles, x, will she have to sell to end up with $19?
Penny is selling candles for $4 each at a fund-raiser.
If she starts selling with $3 to help her make change, how many candles, x, will she have to sell to end up with $19?
Penny has already sold 3 candles at a fund-raiser.
If she started selling with $4 to help her make change, what is the price, x, of each candle, if she ends up with $19
Answer:
3x+4=19 x is 5 3(5)=15+4=19
Step-by-step explanation:
What is 2/6 times 3 in its simplest form
Answer:
1
Step-by-step explanation:
[tex] \frac{2}{6} \times 3 = \frac{2}{6} \times \frac{3}{1} [/tex]
[tex] \frac{2}{6} \times \frac{3}{1} = \frac{6}{6} = 1[/tex]
To multiply 2/6 and 3 in its simplest form, multiply the numerators and denominators together. The resulting fraction is 6/6, which simplifies to 1.
Explanation:To multiply fractions, multiply the numerators together and multiply the denominators together. In this case, multiplying 2/6 and 3 gives a result of (2 * 3) / (6 * 1), which simplifies to 6 / 6. Since the numerator and denominator are the same, the fraction is equal to 1 in its simplest form.
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Clara found the product of 3 – 6y2 and y2 + 2. Her work is shown below.
(3 – 6y2)(y2 + 2) = 3(y2) + (–6y2)(2)
= 3y2 – 12y2
= –9y2
Is the student’s work correct?
No, she did not multiply –6y2 by 2 correctly.
No, she did not add 3y2 and –12y2 correctly.
No, she did not use the distributive property correctly.
Yes, she multiplied the binomials correctly.
Answer:
Option C. is the correct option.
Step-by-step explanation:
Clara found the product of (3 - 6y²) and (y² + 2) and she did it as below
(3 - 6y²)(y² + 2) = 3(y²) + (-6y²)×2 = 3y² - 12y² = -9y²
She did the step wrong as highlighted above. She did not use the distributive property correctly.
Now we will do it in a correct way.
(3 - 6y²)(y²+2) = 3(y² + 2) - 6y²(y² + 2)
= 3y^{2}+6-6y^{4}-12y^{2}=-6y^{4}-9y^{2}+6
Therefore Option C. is the correct answer.
Hope it helps:)
whywould a prism beat a sphere in a competition
Answer:
why?
Step-by-step explanation:
1. a 3-ounce can of tomato sauce costs $1.68. in cents, what is the price per ounce ?
2. how many cds can edward buy for $14 each and spend the same amount he would to buy 60 cds for $7 each ?
Answer:
1) 5.6 cents
2) 30 cds
Step-by-step explanation:
For both problems we can use the Rule of Three:
1) If 3 ounces of tomato sauce cost [tex]\$1.68[/tex], how many will cost 1 ounce?:
3 oz ---[tex]\$1.68[/tex]
1 oz --- ?
Then:
[tex]?=\frac{(1 oz)(\$1.68)}{3 oz}[/tex]
[tex]?=\$ 0.056[/tex]
This is the price in dollars, now we have to calculate it in cents, taking into account that [tex]100 cent=\$1[/tex]:
[tex]$ 0.056 \frac{100 cent}{\$1}=5.6 cents[/tex] This is the price in cents of 1 ounce of tomato sauce
2) If Edward buys 60 cds for [tex]\$ 7[/tex] each, what is the cost of 60 cds?:
60 cds ---?
1 cd --- [tex]\$7[/tex]
[tex]?=\frac{(60 cds)(\$7)}{1 cd}[/tex]
[tex]?=\$ 420[/tex] This is what Edward spends in 60 cds for [tex]\$7[/tex] each
Now, we have to calculate how many cds Edward can buy for [tex]\$14[/tex] each and spend the same [tex]\$ 420[/tex]:
1 cd --- [tex]\$14[/tex]
? cds ---[tex]\$ 420[/tex]
[tex]?=frac{(\$ 420)(1 cd)}{\$14}[/tex]
Finally:
[tex]?=30 cds[/tex]
What is 594 divided by 4 using long division
Answer:
see work attached and shown
Is it possible for two numbers to have a difference of 8 and a sum of 1?
Answer: yes , it is possible
Step-by-step explanation:
Let the first number be x and the second number be y .Then , the sum of the two numbers will be x + y , and their difference will be x - y.
Combining the two , we have :
x + y = 1 ............................... equation 1
x - y = 8 ................................. equation 2
solving the system of linear equation by substitution method. From equation 1 , make x the subject of the formula ,
x = 1 - y ...................... equation 3
Substitute equation 3 into equation 2 ,
1 - y - y = 8
1 - 2y = 8
add 2y to both sides
1 = 8 + 2y
subtract 8 from both sides
1 - 8 = 2y
- 7 = 2y
divide through by 2
y = [tex]\frac{-7}{2}[/tex]
y = - 3.5
substitute y = -3.5 into equation 3 to find the value of x , we have
x = 1 - y
x = 1 - ( - 3.5 )
x = 1 + 3.5
x = 4.5
Let us check :
x + y will be
4.5 + (-3.5) = 1
Also ,
x - y will be
4.5 - (-3.5)
⇒ 4.5 + 3.5 = 8
Which has a positive expression ?
Answer:
The correct answer is C. 3 (-64 ÷ 8) + 25
Step-by-step explanation:
Let's solve the four expressions to find out the positive one, this way:
A. - 4 + (-5) (-6) ÷ (-3)
= -4 + 30 ÷ -3
= - 4 - 10 = - 14
B. 8 [10 ÷ (2) (-2)]
= 8 [10 ÷ -4]
= 8 * - 2.5 = -20
C. 3 ( -64 ÷ 8) + 25
= 3 ( -8) + 25
= - 24 + 25 = 1
D. -2 (-5) (-3) ÷ 10
= - 30 ÷ 10 = -3
As we can see, after solving the four expressions, the only with a positive result is C. 3 ( -64 ÷ 8) + 25
the students of a bayside middle school are going on a field trip . 15 students fit in a van and 3 students will be traveling in a car. write an algebraic expression for this problem and what is the meaning of the variable in your expression
Answer:
The algebraic expression for this problem is [tex]T=15x+3y[/tex].
Step-by-step explanation:
Given:
15 students fit in a van and 3 students will be traveling in a car.
So we can say that;
Number of students travelling by van = 15
Number of students travelling by car = 3
Now Let the number of vans be 'x'.
also Let the number of cars be 'y'.
Let the Total number of students bayside middle school be 'T'.
Solution:
now we can say that;
Total number of students going on field trip is equal to sum of Number of students travelling by van multiplied by the number of vans and Number of students travelling by car multiplied by the number of cars.
framing in equation form we get;
[tex]T=15x+3y[/tex]
Hence, The algebraic expression for this problem is [tex]T=15x+3y[/tex].
a) Find the value of x. Show algebraic support.
hint: (n - 2)180
Answer:
17
Step-by-step explanation:
The sum of all the angles of this polygon is
(n-2)180
Where m is the number of corners
(5-2)180
3*180
540
Hence
Sum of all angles=540
139+92+71+9x+5x=540
302+14x=540
14x=540-302
14x=238
Dividing both sides by 14
x=17
If Ruby has $10 and Max had $250 who has the most money?
Answer:
Max
Step-by-step explanation:
what is this question
How did the Virginia Declaration of Rights influence the Declaration of Independence?
A. It was the first document that was openly critical of the king.
B. It was the document Jefferson referred to when writing the Declaration of Independence.
C. It suggested that the colonies should be independent from Britain.
D. It was published as a pamphlet and built support for the Declaration.
Answer:
B. It was the document Jefferson referred to when writing the Declaration of Independence.
Step-by-step explanation:
Virginia's Declaration of Rights was drawn upon by Thomas Jefferson for the opening paragraphs of the Declaration of Independence. It was widely copied by the other colonies and became the basis of the Bill of Rights. Written by George Mason, it was adopted by the Virginia Constitutional Convention on June 12, 1776.
Hope I helped answer the question:)
The Virginia Declaration of Rights influenced the Declaration of Independence through its content and circulation as a pamphlet.
Explanation:The Virginia Declaration of Rights influenced the Declaration of Independence in several ways:
It was the document Jefferson referred to when writing the Declaration of Independence. Jefferson drew heavily on the ideas and language of the Virginia Declaration of Rights to craft the Declaration of Independence, including concepts like natural rights, the right to revolution, and the social contract.It suggested that the colonies should be independent from Britain. The Virginia Declaration of Rights asserted that all men are equal and have certain inalienable rights, which laid the foundation for the argument that the American colonies should be independent from British rule.It built support for the Declaration. The Virginia Declaration of Rights was widely circulated as a pamphlet and helped to gather support for the cause of independence, paving the way for the publication and reception of the Declaration of Independence.Learn more about The influence of the Virginia Declaration of Rights on the Declaration of Independence here:https://brainly.com/question/17742394
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Please help me with 3 please
a. The solution set is (-3,2)
b. The solution set is (2,6)
c. The solution set is (1,1)
d. The solution set is (-0.5,1.5)
e. The solution set is (7.5, -4.5)
f. The solution set is (-2,7)
Step-by-step explanation:
a. x+2y=1 Eqn 1
x=y-5 Eqn 2
Putting value of x from Eqn 2 in Eqn 1
[tex](y-5)+2y=1\\y-5+2y=1\\3y=1+5\\3y=6[/tex]
Dividing both sides by 3
[tex]\frac{3y}{3}=\frac{6}{3}\\y=2[/tex]
Putting y=2 in Eqn 2
[tex]x=2-5\\x=-3[/tex]
The solution set is (-3,2).
b. y-x=4 Eqn 1
y=3x Eqn 2
Putting value of y from Eqn 2 in Eqn 1
[tex]3x-x=4\\2x=4[/tex]
Dividing both sides by 2
[tex]\frac{2x}{2}=\frac{4}{2}\\x=2[/tex]
Putting x=2 in Eqn 2
[tex]y=3(2)\\y=6[/tex]
The solution set is (2,6)
c. y = x Eqn 1
y = -x+2 Eqn 2
Putting value of y from Eqn 1 in Eqn 2
[tex]x=-x+2\\x+x=2\\2x=2[/tex]
Dividing both sides by 2
[tex]\frac{2x}{2}=\frac{2}{2}\\x=1[/tex]
Putting x=1 in Eqn 1
[tex]y=1[/tex]
The solution set is (1,1)
d. y=5x+4 Eqn 1
x+3y=4 Eqn 2
Putting value of y from Eqn 1 in Eqn 2
[tex]x+3(5x+4)=4\\x+15x+12=4\\16x=4-12\\16x=-8[/tex]
Dividing both sides by 16
[tex]\frac{16x}{16}=\frac{-8}{16}\\x=-0.5[/tex]
Putting x= -0.5 in Eqn 1
[tex]y=5(-0.5)+4\\y=-2.5+4\\y=1.5[/tex]
The solution set is (-0.5,1.5)
e. x-y=12 Eqn 1
y = 3-x Eqn 2
Putting value of y from Eqn 2 in Eqn 1
[tex]x-(3-x)=12\\x-3+x=12\\2x=12+3\\2x=15[/tex]
Dividing both sides by 2
[tex]\frac{2x}{2}=\frac{15}{2}\\x=7.5[/tex]
Putting x=7.5 in Eqn 2
[tex]y=3-7.5\\y=-4.5[/tex]
The solution set is (7.5, -4.5)
f. 2x+y=3 Eqn 1
x+y=5 Eqn 2
From Eqn 2;
y = 5-x
Putting in Eqn 1
[tex]2x+(5-x)=3\\2x+5-x=3\\x=3-5\\x=-2[/tex]
Putting x=-2 in Eqn 1
[tex]2(-2)+y=3\\-4+y=3\\y=3+4\\y=7[/tex]
The solution set is (-2,7).
Keywords: linear equation, substitution method
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What is -3-2(5+1)-(1-1)
[tex]-3-2(5+1)-1-1\\-3-(2)(6)-(1-1)\\-3-12-(1-1)\\15-(1-1)\\15-0\\{Answer=-15 \checkmark[/tex]
-7(y+2x)-3(y-x) please expand and then simplify the expression.
Answer:
-10y - 11x
Step-by-step explanation:
First you need to distribute -7 through the parentheses.
-7y - 14x - 3y + 3x
then you need to collect the like terms (terms with the same variable)
-10y - 11x
Answer:-10y - 11x
Step-by-step explanation:
Expanding , we have
-7y - 14x -3y + 3x
collecting the like terms , we have
- 7y - 3y - 14x + 3x
Simplifying , we have
-10y - 11x
In △FEG , point H is between points E and F, point J is between points F and G, and HJ¯¯¯¯¯∥EG¯¯¯¯¯ . EH=8 , HF=12 , and FG=30 . What is FJ ? Enter your answer in the box. FJ =
Answer:
[tex]FJ=18\ units[/tex]
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
If two triangles are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent
In this problem
△FEG is similar with △FHJ -----> by AA Similarity Theorem
so
[tex]\frac{FE}{FH}=\frac{FG}{FJ}[/tex]
we have
[tex]FE=HF+EH=12+8=20\ units[/tex]
[tex]FH=HF=12\ units[/tex]
[tex]FG=30\ units[/tex]
substitute the given values
[tex]\frac{20}{12}=\frac{30}{FJ}[/tex]
[tex]FJ=12(30)/20\\FJ=18\ units[/tex]
PLEASE HELP < I NEED HELP, TRYING TO MAKE HONOR ROLL
Translate the sentence into an equation.
Nine less than the product of 3 and a number is 4 .
Use the variable w for the unknown number.
Answer: w = 4[tex]\frac{1}{3}[/tex]
Step-by-step explanation:
Let the unknown number be w , then
the product of w and 3 = 3w
Nine less than the product of 3 and the number = 3w - 9
completing the equation , we have
3w - 9 = 4
add 9 to both sides
3w = 13
w = 13/3
w = 4[tex]\frac{1}{3}[/tex]
2x-3= 2x-5
A -2
B 0
C 5/3
D no solution
Answer:
D. No solution.
Step-by-step explanation:
2x - 3 = 2x - 5
2x - 2x - 3 = 2x - 2x - 5
-3 = -5 which is absurd so there is No Solution.
Answer:
D no solution
Step-by-step explanation:
2x-3= 2x-5 means : -3=-5 ...false
Which of the following expressions illustrates the associative property of mult
o 4(-1) = (-1)(4)
O
4+ ( + 6) = (4 + 7) +6
O
(-2 - 1)(8) = -2(1 - 8)
O
915 + 3) = 9(5) + 9(3)
Answer:
The correct option is first one.
Therefore,
[tex]4(-1) = (-1)(4)[/tex] .. illustrates the associative property of multiplication.
Step-by-step explanation:
Associative property:
The associative property states that you can add or multiply regardless of how the numbers are grouped.
For example A x B = B x A
Therefore,
[tex]4(-1) = (-1)(4)[/tex] .. illustrates the associative property of multiplication.
Answer:
Option (-2-1)(8)=-2(1-8) is correct
The expression (-2-1)(8)=-2(1-8) represents the associative property of multiplication .
Step-by-step explanation:
Given expression is (-2-1)(8)=-2(1-8)
Associative property of multiplication is given by
(a+b)c=a(b+c)
Comparing the equations (-2-1)(8)=-2(1-8) and (a+b)c=a(b+c) we get that the given expression is in the form of (a+b)c=a(b+c)
Therefore the given equation represents the associative property of multiplication .
Therefore option (-2-1)(8)=-2(1-8) is correct
The expression (-2-1)(8)=-2(1-8) represents the associative property of multiplication .
Which solution(s) is a solution for the following inequality?
4x > 15
a.III
b.I and II
c.II and III
d.I, II, and III
Answer:
a.III
Step-by-step explanation:
We solve for x:
4x > 15
it gives
x > 3.75
Now we have to analyze our choices and see which solutions satisfy this inequality.
[tex]3\frac{1}{2} =3.5[/tex]
is not greater than 3.75; this isn't a solution.
[tex]3\frac{3}{4}=3.75[/tex]
is not greater than 3.75; this isn't a solution.
[tex]4\frac{1}{4}=4.25[/tex]
is greater than 3.75; this is a solution.
Thus only choice III is correct.
James flips a fair numbered cube with faces numbered 1-6 and flips a quarter what is the probability that in one turn James could roll an odd number and flip a heads on the quarter
Answer:
Therefore the probability that in one turn James could roll an odd number and fip a heads on the quarter is = [tex]\frac{1}{2}[/tex] × [tex]\frac{1}{2}[/tex] = [tex]\frac{1}{4}[/tex].
Step-by-step explanation:
i) There are three odd numbered faces on the cube, that is the faces having 1, 3, and 5.
Therefore the probability of rolling an odd numbered face is = [tex]\frac{1}{6} + \frac{1}{6} + \frac{1}{6} = \frac{1}{2}[/tex] since the probability of rolling 1 = probability of rolling 3 = probability of rolling 5 = [tex]\frac{1}{6}[/tex]
ii) The probability of flipping a head on the quarter = probability of flipping a tail on the quarter = [tex]\frac{1}{2}[/tex]
iii) Therefore the probability that in one turn James could roll an odd number and fip a heads on the quarter is = [tex]\frac{1}{2}[/tex] × [tex]\frac{1}{2}[/tex] = [tex]\frac{1}{4}[/tex]
The probability that James could roll an odd number on a fair six-sided die and flip heads on a quarter in one turn is 1/4 or 25%.
The student is asking about the probability of two independent events happening simultaneously: rolling an odd number on a fair six-sided die and flipping heads on a quarter. To calculate the probability of both independent events occurring, we multiply the probabilities of each event.
The probability of rolling an odd number (1, 3 or 5) on a die is 3 out of 6 possibilities, which simplifies to 1/2 since there are three odd numbers out of six total numbers. The probability of flipping heads on a quarter is 1/2, as there are two sides to a coin and it is fair, meaning each side has an equal chance of landing face up.
Now, to find the combined probability, we multiply the probabilities of the independent events:
Probability of rolling an odd number: 1/2Probability of flipping heads: 1/2Combined probability = (1/2) x (1/2) = 1/4 or 0.25, which means there is a 25% chance to roll an odd number and flip heads in one turn.
Morton made 36 out of 48 free throws last season. What percent of his free throws did Morton make. Help!!! T-T
75 % free throws are made by Morton
Solution:
Given that Morton made 36 out of 48 free throws last season
To find: Percent of free throws made by Morton
From given statement,
total number of throws = 48
throws made by morton = 36
Thus the percent of free throws made by Morton is given as:
[tex]percent = \frac{\text{number of throws made}}{\text{total number of throws}} \times 100[/tex]
Substituting the values, we get
[tex]percent = \frac{36}{48} \times 100\\\\percent = 0.75 \times 100 = 75 %[/tex]
Thus 75 % of his free throws are made by Morton
Julian needs to create an ad for his company that manufactures mobile phones. He has come up with an idea for the ad, but he needs a quality check before the actual product development begins. Julian is using the
method of advertising testing.
Julian is using the concept testing method of advertising which involves testing ad ideas before product development. It helps in determining consumer reactions and minimizing errors.
Explanation:The method Julian is using is called the concept testing method in advertising. In concept testing, ad ideas and concepts are tested by companies before the actual development of the product. Concept tests are ways for advertisers to determine the reaction of consumers to a proposed product or service before it hits the market, thus minimizing errors and financial risks. For instance, in Julian's case, this would imply presenting his ad idea, which showcases a new mobile phone, to a selected group of people and then collecting their feedback. The feedback can then be used to refine the ad and the product itself, ensuring that the mobile phone meets the expectations and needs of the targeted consumers.
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1. What is the Kinetic energy of a 1500 kg car going at a speed of 14 meters/second?
Show your work below
2. What is the KE if m = 2 and v = 5?
3. What is the KE if m = 4 and v = 5?
4. What is the KE if m = 2 and v = 10?
Step-by-step explanation:
1.
Kinetic energy =[tex]\frac{1}{2} mv^{2}[/tex]
Here m = 1500 kg and v = 14 meter / second
Kinetic energy = [tex]\frac{1}{2} mv^{2}[/tex]= [tex]\frac{1}{2}\times 1500 \times 14^{2}[/tex] joule =147000 joule
2.
Here m = 2 unit and v = 5 units
Kinetic energy =[tex]\frac{1}{2} mv^{2}[/tex] =[tex]\frac{1}{2}\times 2 \times 5^{2}[/tex] units =25 units
3.
Here m= 2 units and v = 5 units
Kinetic energy =[tex]\frac{1}{2} mv^{2}[/tex] =[tex]\frac{1}{2}\times 4 \times 5^{2}[/tex]=5 0 units
4.
Here m= 2 units and v= 10 units
Kinetic energy =[tex]\frac{1}{2} mv^{2}[/tex]=[tex]\frac{1}{2}\times 4 \times 10^{2}[/tex]units = 200 units
Y=x2-2x-5
Change to vertex form
The vertex form is [tex]y=(x-1)^{2} -6[/tex]
Step-by-step explanation:
The given equation [tex]y=x^{2} -2x-5[/tex] is a parabola. The vertex of the parabola is of the form [tex]y=ax^{2} +bx+c[/tex]
The parameters of the parabola are [tex]a=1, b=-2[/tex] and [tex]c=-5[/tex]
The vertex of the x-coordinate is given by [tex]x=\frac{-b}{2a}[/tex]
Thus, substituting the values of a and b in [tex]x=\frac{-b}{2a}[/tex], we get,
[tex]\begin{aligned}x &=\frac{-(-2)}{2(1)} \\&=\frac{2}{2} \\x &=1\end{aligned}[/tex]
Now, substituting [tex]x=1[/tex] in [tex]y=x^{2} -2x-5[/tex], we get,
[tex]\begin{aligned}y &=1^{2}-2(1)-5 \\&=1-2-5 \\y &=-6\end{aligned}[/tex]
Thus, the vertex is [tex](1,-6)[/tex]
The equation of parabola to be in vertex form is [tex]y=a(x-h)^{2} +k[/tex]
where a is the coefficient of [tex]x^{2}[/tex], h is vertex of the x-coordinate and k is the vertex of the y-coordinate.
Hence, [tex]a=1, h=1[/tex] and [tex]k=-6[/tex]
Thus, substituting the values in the equation of the vertex form,
[tex]y=1(x-1)^{2} -6\\y=(x-1)^{2} -6[/tex]
Hence, the vertex form is [tex]y=(x-1)^{2} -6[/tex]
PLEASE SOMEONE HELP ME PLEASE...I NEED EXPERT IN TANGENT LINES ILL GIVE POINTS AND BRAINLESS
Answer:
P=92 cm
Step-by-step explanation:
<B and <D are congruent so you now know that <D also equals 11.5
Add all the sides up then multiply by 2
You are multiplying by two because each point is at the radius (halfway)
11.5 + 11.5 +10.5+12.5 =46
46 x 2=92
Answer:
92 is the answer
Step-by-step explanation:
Notice the dots are only half way. You have the sides 11.5, 10.5, and 12.5. It says the side D and B are congrent which means they equal. So the side is 11.5. 11.5+11.5=23 Whihc is one side of the permiter. 10.5+10.5=21. 12.5+12.5=25. 11.5+11.5=23. When you add them up you get the answer 92. Hope this helps!
theirs a picture at the toppp
Answer:
C
Step-by-step explanation:
Slope-intercept form is y=mx+b. Y is y, m is the slope, x is x, and b is the y-intercept. The first thing you do is figure out the slope. The equation is (y2-y1)/(x2-x1). Then take 2 points from the table and substitute them in. I'll use the bottom two points: (4-2)/(2-1). You should get 2 as your answer. Substitute this in for m. Take a point from the table and substitute y in for y, x in for x. I'll use the last point: 4=2(2)+b. If I simplify further, I get 4=4+b, which means b is 0, and we won't need to put it in the equation.
Figure out the answer using the process of elimination: we know that because b=0, the answer can't be A or B. The slope is positive 2, which means that the answer can't be D. So it has to be C.