If x^2 = 7, what is the value of x?

Answer: -3.5, -3, 3.4, 7

Step-by-step explanation: If you put it on a number line, this would be the order these integers go in!

Answer:

  12

Step-by-step explanation:

Let d represent the number of dimes Lily saved. Then the value of her coins in cents is ...

  10d +100(16-d) = 520

  -90d +1600 = 520 . . . . . eliminate parentheses, collect terms

  -90d = -1080 . . . . . . . . . . subtract 1600

  d = -1080/-90 = 12 . . . . . divide by the coefficient of d

Lily has 12 ten-cent coins.

Answer:

Step-by-step explanation:

The figure appears to be drawn roughly to scale, so that fact can offer clues.

The triangles both have hypotenuses of 5. The only integer lengths for sides that will give a hypotenuse of 5 are side lengths 3 and 4. Right triangles with side lengths 3 and 4 will have an area of (1/2)(3)(4) = 6.

The rectangle at lower left will not have a side length of 3, so its width is 4. Since its area is 8 (width × height), the height of it must be 2. (The rectangle dimensions must be factors of 8.)

The vertical side of the left triangle is then 3. It appears to be divided so the upper segment (the side of the rectangle of area 6) is 1 and the lower segment (part of the right triangle vertical side) is 2.

Then the vertical side of the right triangle is 4, and its horizontal side (left half of the bottom of the upper rectangle) is 3.

Since the height of the upper rectangle is 1, its width must be 6. Then the little tab hanging down on the right must be 2 by 2 (for an area of 4).

Altogether, we have found the lengths to be as marked in the attachment.

___

Summary

The perimeter lengths, CW from the lower left vertical, are ...

  2, 5, 6, 3, 2, 2, 1, 5, 4 . . . . meters

The perimeter is their total: 30 m.

Answer:y=5

Step-by-step explanation:

5(y+1)=30

Divide both sides by 5

5(y+1)/5=30/5

We get y+1=6

Subtract 1 from both sides

y+1-1=6-1

We get y=5

The measure of ∠A is 137°.

Solution:

Given data:

Angle A = 43°

A quadrilateral inscribed in a circle is called cyclic quadrilateral.

∠A and ∠C are opposite angles in a cyclic quadrilateral.

In cyclic quadrilateral, opposite angles are supplementary.

⇒ m∠A + m∠C = 180°

⇒ 43° + m∠A = 180°

Subtract 43° from both sides of the equation, we get

⇒ m∠A = 137°

Hence the measure of ∠A is 137°.

Answer:

Step-by-step explanation:152

You would need 152 points on game 3

Answer:

223 hours

Step-by-step explanation:

Total hours worked by Lee = sum of all the hours worked

That’s

82 + 61 + 7 + 73 = 223 hours

Therefore, Lee worked 223 hours as manager for the local Pizza Hut

Lee Jenkins worked a total of 223 hours by adding the given values of 82, 61, 7, and 73 hours.

In this problem, we need to find out how many total hours did Lee work by summing up all the hours given in the problem. The hours worked as given in the problem are 82, 61, 7, and 73. To find the total hours worked, we simply add these values.

The addition becomes 82 + 61 + 7 + 73 = 223

Therefore, Lee Jenkins worked a total of 223 hours as a manager at a local Pizza Hut.

https://brainly.com/question/36037384

#SPJ3

Answer:

A. linear expression

Step-by-step explanation:

Just got it right on the test.

Answer:

A

Step-by-step explanation:

edg

Answer:

(6, 9 ) and r = 3

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Given

x² + y² - 12x - 18y + 108 = 0

Rearrange the x- terms and the y- terms together and subtract 108 from both sides, that is

x² - 12x + y² - 18y = - 108

To obtain standard form use the method of completing the square

add ( half the coefficient of the x and y terms )² to both sides

x² + 2(- 6)x + 36 + y² + 2(- 9)y + 81 = - 108 + 36 + 81

(x - 6)² + (y - 9)² = 9 ← in standard form

with centre = (6, 9 ) and r = [tex]\sqrt{9}[/tex] = 3

Yo sup??

perimeter of figure 1 is

2(x+x+5)=2(2x+5)

perimeter of figure 2 is

3x+22

now

4x+10=3x+22

x=12

Hope this helps

Answer:

The correct answer is 58.

Hope this helped!

Answer:

A) 12k + 10

B) $160

Step-by-step explanation:

6(2k + 5) - 20

12k + 30 - 20

12k + 10

k = 12.5

12(12.5) + 10 = 160

Answer:

12k +10

Final cos = 160

Step-by-step explanation:

6(2k + 5) - 20

Distribute the 6

6*2k + 6*5 -20

12k +30 -20

12k +10

Let k =12.5

12*12.5 +10

150 +10

160

Answer:

-3, -9

Step-by-step explanation:

27  = 1*27     -1*-27

        3*9        -3*-9

We want it to add to -12

The only choice is -3+-9 = -12

The two numbers are -3, -9

The two numbers that multiply to 27 and add to -12 are -3 and -9.

The question is asking to find two numbers that multiply to give 27 and add to give -12. The fact that the product is positive and the sum is negative suggests that the two numbers in question are both negative because when two negative numbers are multiplied, the result is positive. To solve this, you need to think of the pairs of factors of 27, which are (1, 27) and (3, 9). Since we are looking for a sum of -12, the correct pair is (-3, -9) because -3 multiplied by -9 equals 27, and -3 plus -9 equals -12.

Martha's percent error in estimating the number of marbles in the jar is 21.57%, calculated by finding the difference between her estimate and the actual amount, dividing by the actual amount, and then multiplying by 100.

Explanation:

To calculate Martha's percent error in estimating the number of marbles in a jar, we first determine the difference between the estimated amount and the actual amount.

Actual number of marbles: 102

Estimated number of marbles: 80

Difference: 102 - 80 = 22

Next, we use this difference to find the percent error by dividing the difference by the actual number and then multiplying the result by 100 to get a percentage:

Percent Error = (Difference / Actual number) × 100

Percent Error = (22 / 102) × 100

Percent Error = 0.2157 × 100

Percent Error = 21.57%

Thus, Martha's percent error in her estimation of the number of marbles is 21.57%.

Answer:

It is on the x - axis

Step-by-step explanation:

Point (2, 0) lie on the x axis

Answer:

It is on the X axis

Step-by-step explanation:

The horizontal line is the x axis and the x coordinate is always given first (x, y) or in this case (2, 0)

Answer:

where is the angle if angle is not there nobody can answer this question.

Step-by-step explanation:

15% as a decimal is 0.15

40*0.15 is 6

6 guests arrive early

6 people arrive early to the party.

Calculating the Number of People Who Arrive Early to a Party

To calculate the number of people who arrive early to a party where 40 people are expected, we use the given percentage of guests that arrive early, which in this case is 15%. The calculation process is straightforward:

Convert the percentage to a decimal by dividing by 100, which gives us 0.15.

Multiply the decimal by the total number of people expected at the party to find the number of people who arrive early.

So, the calculation is:

0.15 x 40 = 6

Therefore, 6 people arrive early to the party.

Answer:

The graph is attached.

The intersection point:  [tex](-1,6)[/tex]

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

[tex]y=mx+b[/tex]

Where "m" is the slope and "b" is the y-intercept.

 When the line passes through the origin, the equation is:

[tex]y=mx[/tex]

Where "m" is the slope of the line.

Given the following equation of the line in Slope-Intercept form

[tex]y=-2x+4[/tex]

You notice that:

[tex]m=-2\\\\ b=4[/tex]

Knowing the slope and the y-intercept, you can graph it.

The other line is:

[tex]y=-6x[/tex]

As you can identify, this line passes through the origin and its slope is:

[tex]m=-6[/tex]

Then, you can graph it.

Observe the graph attached.

You can identify that the point in which both lines intersect, is:

[tex](-1,6)[/tex]

a. $0.811

b. $0.75

c.  10-ounce package of cashews costs $8.11 is better then a 16-ounce package of cashews costs $12

Step-by-step explanation:

Here we have , 10-ounce package of cashews costs $8.11, and a 16-ounce package of cashews costs $12.  

a. What is the cost per ounce for the 10-ounce package of cashews?

​cost per ounce for the 10-ounce package of cashews = [tex]\frac{8.11}{10}[/tex]

​cost per ounce for the 10-ounce package of cashews = $[tex]0.811[/tex]

b. ​What is the cost per ounce for the 16-ounce package of cashews?

cost per ounce for the 16-ounce package of cashews = [tex]\frac{12}{16}[/tex]

cost per ounce for the 16-ounce package of cashews = $[tex]0.75[/tex]

c. Which package is the better buy?

10-ounce package of cashews costs $8.11 is better then a 16-ounce package of cashews costs $12 , because cost per ounce for the 10-ounce package of cashews = $[tex]0.811[/tex] is greater then cost per ounce for the 16-ounce package of cashews = $[tex]0.75[/tex]

The cost per ounce for the 10-ounce package of cashews is $0.811, and the cost per ounce for the 16-ounce package is $0.75. The 16-ounce package is the better buy.

a. To find the cost per ounce for the 10-ounce package of cashews, we divide the total cost by the number of ounces. $8.11 ÷ 10 ounces = $0.811 per ounce.

b. To find the cost per ounce for the 16-ounce package of cashews, we divide the total cost by the number of ounces. $12 ÷ 16 ounces = $0.75 per ounce.

c. The better buy is the package with the lower cost per ounce. Therefore, the 16-ounce package of cashews is the better buy.

https://brainly.com/question/35501256

#SPJ3

Answer:

68

Step-by-step explanation:

fg(-2) is equal to f(g(-2)). g(-2)=-6. f(-6)=68

Answer:

g(-2)= 5(-2) + 4 = -10 + 4= -6

f(-6) = 8 - 10(-6)= 8 + 60 = 68

Step-by-step explanation:

Answer:

Complementary angles are two angles that add up to 90 degrees.

Example:  45 + 45 = 90 are complimentary

                60 + 30 = 90 are complimentary

Answer:

see the explanation

Step-by-step explanation:

we have

[tex]x^2+6x+y^2-16y=-9[/tex]

Convert the equation of the circle in center radius form

Group terms that contain the same variable

[tex](x^2+6x)+(y^2-16y)=-9[/tex]

Complete the square twice. Remember to balance the equation by adding the same constants to each side

[tex](x^2+6x+9)+(y^2-16y+64)=-9+9+64[/tex]

[tex](x^2+6x+9)+(y^2-16y+64)=64[/tex]

Rewrite as perfect squares

[tex](x+3)^2+(y-8)^2=8^2[/tex]

The center of the circle is (-3,8)

The radius of the circle is 8 units

Verify each statement

A. The center of the circle is (3,-8).

False

The center of the circle is (-3,8)

B. The circle is tangent to the x-axis

True

The circle is tangent to x=5 and x=-11 and is tangent to y=0 and y=16

Remember that y=0 is the x-axis

C. The circle has a radius of 64

False

The radius of the circle is 8 units

The value of x = 11 and y = 11√3.

Solution:

The triangle is right triangle.

θ = 30° and hypotenuse = 22

The value of sin 30° = [tex]\frac{1}{2}[/tex]

The value of cos 30° = [tex]\frac{\sqrt{3} }{2}[/tex]

Using trigonometric formulas,

[tex]$\sin\theta=\frac{\text{Opposite side}}{\text{Hypotenuse}}[/tex]

[tex]$\sin30^\circ=\frac{x}{\text{22}}[/tex]

[tex]$\frac{1}{2} =\frac{x}{\text{22}}[/tex]

Do cross multiplication, we get

22 = 2x

Switch the sides

2x = 22

Divide by 2, we get

x = 11

[tex]$\cos\theta=\frac{\text{Adjacent side}}{\text{Hypotenuse}}[/tex]

[tex]$\cos30^\circ=\frac{y}{\text{22}}[/tex]

[tex]$\frac{\sqrt{3} }{2} =\frac{y}{\text{22}}[/tex]

Do cross multiplication, we get

[tex]22\sqrt 3 = 2y[/tex]

Switch the sides

[tex]2y=22\sqrt 3[/tex]

Divide by 2, we get

[tex]y= 11\sqrt3[/tex]

Hence the value of x = 11 and y = 11√3.

Answer:

1/5

Step-by-step explanation:

because there is 10 coins and two specific coind you are trying to get and 2/10 simplified is 1/5

The probability that the two randomly selected coins from Reyna's collection will total at least 15 cents is 8/45.

Probability Calculation

To determine the probability that Reyna's two randomly selected coins will total at least 15 cents, we must first calculate the total number of possible outcomes when choosing two coins from the ten that she has (7 nickels and 3 dimes).

Using the combination formula, which is C(n, k) = n! / [k!(n-k)!], we find that the total number of ways to choose 2 coins from 10 is C(10, 2) = 10! / (2!8!) = 45.

The favorable outcomes in this scenario are cases where Reyna picks either two dimes or one nickel and one dime. There is only one way to pick two dimes, and there are 7 ways to pick one nickel and one dime (because she could pick any of her 7 nickels along with one of the 3 dimes). So, there are 7 + 1 = 8 favorable outcomes.

The probability of picking coins that total at least 15 cents becomes the number of favorable outcomes divided by the total number of outcomes, which is 8/45.

Therefore, the probability that the two coins together will be worth at least 15 cents is 8/45.

Each employees receive an amount of  $1976.25 / n

Explanation:

Amount of money that Philip has,(we can represent as  A) = $2000

Spends, (We can represent as s) = $23.75

Divides the rest equally among each employees.

Let the number of employees = n

To find the amount of money

Money left = A - s

                  = $2000 - $23.75

                  = $1976.25

Each employees receive = $1976.25 / n

Therefore ,Each employees receive an amount of  $1976.25 / n.

Answer:

623 mm

Step-by-step explanation:

Divide the figure into two separate figures and then add the ares together. To do this, the bottom nust be a rectangle and the top a square. The dimensions of the rectangle will be 32 x 15 since the opposite sides of a rectangle are always equivalent. The dimensions of the top shape are 13 x 11 since the 26 - 15 = 11.

So now find the area of the rectangles and add them together:

15 x 32 = 480

13 x 11 = 143

143 + 480 = 623

The area of the figure is 623 mm

Answer: x/5  ≥ -19

Step-by-step explanation:

Step-by-step explanation:

[tex] m \angle \: a + 80 \degree = 180 \degree \\ (linear \: pair \: \angle s) \\ \therefore \: a = 180 \degree - 80 \degree \\ \huge \red { \boxed{\therefore \: a = 100 \degree}} \\ \\ \huge \purple { \boxed{m \angle \: b = 80 \degree }} \\ (corresponding \: \angle s) \\ \\ m \angle \: c=m \angle \: a \\ (vertical \: \angle s) \\\huge \orange { \boxed{ \therefore \: m \angle \: c = 100 \degree}}[/tex]

Answer:

Slope of the line = 1

Step-by-step explanation:

A line with two points, we are asked to find the slope

We are using the formula

m = (y_2 - y_1) /( x_2 - x_1)

We are provided with some points

( -9 , -9) ( -6 , -6)

x_1 = -9

y_1 = -9

x_2 = -6

y_2 = -6

Insert the values into the equation

m = (y_2 - y_1) / (x_2 - x_1)

m = ( -6 - (-9)) / ( -6 - (-9))

Hint: - * - = +

m =( -6 + 9) / ( -6 + 9)

= 3 / 3

= 1

Slope m = 1

Therefore, the slope of the line = 1

Answer:

the slope is 1.8

Answer:

The slope is 1.8

Step-by-step explanation:

m=9/5=1.8