5(y+1)=30 solve for y

Answer:

The answer is 16

Step-by-step explanation:

Answer:

y=1/4x+400

Step-by-step explanation:

Slope=Rise/Run=(300-200)/(-400-(-800))=100/400=1/4

Now we have the slope, making our equation:

y=1/4x+b

We need b, the y-intercept, which we can use any ordered pair to plug in:

200=1/4(-800)+b

200=-200+b

400=b

So the equation that passes through the points (-800, 200) and (-400, 300) is: y=1/4x+400

The equation of line that passes through the points P(-800, 200) and Q(-400, 300) is y = x/4 + 400.

The general equation of straight line is -

y = mx + c

Given is a line that passes through the points P(-800, 200) and

Q(-400, 300).

First we will find the slope of the line -

m = (y₂ - y₁)/(x₂ - x₁)

m = (300 - 200)/(-400 + 800)

m = 100/400

m = 1/4

Now, the line passes through the point Q(-400, 300). Therefore -

300 = (1/4) x (- 400) + c

300 = - 100 + c

c = 400

The final equation of the line will be -

y = x/4 + 400

Therefore, the equation of line that passes through the points P(-800, 200) and Q(-400, 300) is y = x/4 + 400.

To solve more questions on Straight lines, visit the link below-

https://brainly.com/question/27730503

#SPJ2

Answer:

B. 1/10 i think c:

Step-by-step explanation:

Answer: 0.65   I think 1/10

Step-by-step explanation: You find 25% of 1,  (.25), then add 2/5

Answer:

Step-by-step explanation:

just mutiply  120 by 1,2,3,4,5,6,7,8

d(4) = 64

Step-by-step explanation:

Step 1:

d(n)=d(n−1)+17 ​

d(2) = d(1) +17

       = 13+17

        = 30

d(3) = d(2) + 17

       = 30+17

       =47

Step 2:

d(4) = d(3) + 17

       = 47+17

       = 64

Answer:

97+70+89+99+100+78+79+77+72=85

Answer:

[tex]\leq[/tex]11

Step-by-step explanation:

Answer:

115

Step-by-step explanation:

Answer:

175.93cm²

Step-by-step explanation:

Answer: 175.929 yd^2

Step-by-step explanation:

The radius of a circle is half the length of the diameter, and the circumference is the perimeter of the circle. However, the circumference is not triple the radius, and the diameter is not triple the length of the radius.

In the context of Mathematics, particularly geometry, the following statements are indeed true about the components of a circle:

However, the statements that the circumference is triple the radius, to find the circumference multiply it by the diameter, and the diameter is triple the length of the radius, are incorrect. The circumference of a circle is calculated as 2πr (two times the radius times Pi), and the diameter is twice the length of the radius, not triple.

https://brainly.com/question/32128061

#SPJ12

The value of x is approximately 5.4 when x^3 -10x = 100

The equation is given as:

x^3 -10x = 100

Using trial by error, we keep testing for the value of x that is true for x^3 -10x = 100

After several attempts, we have:

x = 5.4 (approximately)

Substitute 5.4 for x in x^3 -10x = 100

5.4^3 -10 * 5.4 = 100

Evaluate

103.5 = 100

Approximate

100 = 100

This means that x is approximately 5.4 when x^3 -10x = 100

Read more about equations at:

https://brainly.com/question/2972832

#SPJ1

A solution to the equation x^3 −10x=100 using the trial and improvement method is approximately x=5.3 (rounded to 1 decimal place).

let's use the trial and improvement method to find a solution for the equation

x^3 −10x=100.

Start with a reasonable guess for x. In this case, it's often helpful to start with small integers.

Substitute the guess into the equation and see if it satisfies the equation.

Let's try

5^3 −10×5=125−50=75

The result is not equal to 100. Since the result is less than 100, we need to increase our guess.

Let's try

6^3 −10×6=216−60=156

The result is still not equal to 100. Since the result is now greater than 100, we need to decrease our guess.

Let's try

5.5^3 −10×5.5=166.375−55=111.375

This result is still greater than 100, so we need to try a smaller value.

5.2^3 −10×5.2=140.608−52=88.608

Now, this result is closer to 100. We can continue to refine our guess.

Let's try

5.3^3 −10×5.3=150.097−53=97.097

This result is getting closer to 100. We can keep refining our guess, but for the sake of brevity, let's stop here.

So, a solution to the equation x^3 −10x=100 using the trial and improvement method is approximately x=5.3 (rounded to 1 decimal place).

for such more question on improvement method

https://brainly.com/question/30182691

#SPJ3

Answer:

(3,6) if (-3,-6) is reflected off the y-axis

Answer:

A. 4r=v

Step-by-step explanation:

It says that she ate 4 times as many as Reagen and r represents the number that Reagen at so it would be 4r. While v represents how many Olivia ate which is 4r so 4r = v.

Answer:

A.4r = v

Step-by-step explanation:

Because is really asking for a ratio so the comparison of two objects

so if Olivia ate  four times as much as Reagan then first start off by finding the variables which is  R and V .R is how much Reagan ate well we know she at 4 times more than Olivia so 4R and now you gotta figure V how much Olivia ate so 4R = V

if you need any more help let me know ...

Answer: You will need to put a protractor over the paper for me to answer the first one because I can only answer with protractors

Step-by-step explanation:

Answer:

apd=115

cpe=25

bpd=65

Step-by-step explanation:

Option D: [tex]1176 \pi \ {m}^{3}[/tex] is the volume of the cylinder

Explanation:

Given that the cylinder has a radius of 14 m and a height of 6 m

We need to find the exact volume of the cylinder.

The formula to determine the volume of the cylinder is given by

[tex]Volume=\pi r^{2} h[/tex]

Let us substitute [tex]r=14[/tex] and [tex]h=6[/tex] in the above formula, we have,

[tex]Volume=\pi (14)^{2} (6)[/tex]

Squaring the terms, we get,

[tex]Volume=\pi (196)(6)[/tex]

Multiplying we have,

[tex]Volume=1176\pi \ m^3[/tex]

Thus, the volume of the cylinder is [tex]1176 \pi \ {m}^{3}[/tex]

Therefore, Option D is the correct answer.

A scale drawing is a drawing made with proportionate scaling. It helps represent objects or spaces accurately and proportionally.

A scale drawing is a drawing that is done with a scale so that specific small units of measure represent larger units of measure. Scale drawings are used to represent objects or spaces proportionally, aiding in visualizing and understanding relationships between different elements.

Answer:

$31.37 is the sale price

Step-by-step explanation:

All you need to do to find the discount price (sale price) is multiply the price of the item by the decimal form of the percentage.

1. Store A. 40% off the original price of $159.99

[tex](159.99 * .40) = 63.996[/tex]

63.996 is the discount price we are looking for

2. Store B. 25% off the original price of $130.50

[tex](130.50 * .25) = 32.625[/tex]

32.625 is the discount price we are looking for

3. Now to find their difference you just subtract the two values.

[tex]($63.996 - $32.625) = $31.371[/tex]

The discount price (sale price) is $31.371

Answer:

True

Step-by-step explanation:

The nature of roots of a quadratic equation are determined by

[tex] {b}^{2} - 4ac[/tex]

where a, b, and c are the coefficients of the quadratic equation

[tex]a {x}^{2} + bx + c = 0[/tex]

Therefore it is true that, the roots of a quadratic equation depend on the values of the coefficients.

Answer:

56.14%

Step-by-step explanation:

Answer: 56.140350877193%

Step-by-step explanation:covert fraction (ratio) 32/57 that’s how you get your answer.

Answer:

[tex]0.236[/tex]

Step-by-step explanation:

The total number of cats in a local cat show is 250

Of these, 73 are orange, 11 are white, 80 are black, 27 are calico, 50 are gray, and 9 are tuxedo.

The probability of a

randomly selected cat from the show will be gray or tuxedo is

[tex] = \frac{50}{250} + \frac{9}{250} [/tex]

We simplify to get:

[tex] = \frac{50 + 9}{250} [/tex]

[tex] = \frac{59}{250} [/tex]

[tex] = 0.236[/tex]

To find the probability of selecting a gray or tuxedo cat in a cat show, add the number of gray and tuxedo cats, then divide by the total number of cats.

The probability that a randomly selected cat from the show will be gray or tuxedo is calculated by adding the number of gray cats and tuxedo cats, then dividing by the total number of cats.

Number of gray cats = 50

Number of tuxedo cats = 9

Total number of gray or tuxedo cats = 50 + 9 = 59

Probability = Number of gray or tuxedo cats / Total number of cats

Probability = 59 / 250 ≈ 0.236

Answer:

[tex]answer = \frac{2}{3} [/tex]

[tex] \frac{2}{9} \times \frac{3}{1} \\ = \frac{6}{9} = \frac{2}{3} [/tex]

Answer:

it is 2/3

since your multiplying a fraction times 3 you should put it over 1 to make it a fraction and then just multiply across and simplify hope this helps!!

The equivalent value of the expression is A = ( 10x² - 4 ) - ( 7x² + 3 )

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

Substituting the values in the equation , we get

A = 3x² - 7   be equation (1)

On simplifying , we get

Let the second expression be represented as B

where B = ( 10x² - 4 ) - ( 7x² + 3 )

On simplifying , we get

B = 10x² - 4 - 7x² - 3

B = ( 10x² - 7x² ) - ( 4 + 3 )

B = 3x² - 7

Therefore , the value of B = A

Hence , the expression is B = ( 10x² - 4 ) - ( 7x² + 3 )

To learn more about equations click :

https://brainly.com/question/19297665

#SPJ7

Answer:

16%

Step-by-step explanation:

Percentage of the tip is the tip divided by the original bill and the result multiplied by 100%

That’s

$11.43/$73.57 x 100%

0.1554 x 100%

15.54

16%

The tip was 16% of the original bill

The tip was about 16% of the total bill. This was calculated by dividing the tip amount by the total bill, multiplying by 100 to get a percentage, and then rounding to the nearest whole percent.

To find out what percentage the tip was of the original bill, you would divide the amount of the tip by the total bill before the tip, and then multiply that number by 100 to get a percentage. Here's how you would calculate it in this case:

So, the tip was about 16% of the total bill.

https://brainly.com/question/32197511

#SPJ3

Answer:

NF = 16 units

Step-by-step explanation:

∵ N is the in-center of ΔABC

∴ N is equidistant from the sides AB, BC and CA

- That means the perpendicular segments from N to AB, BC

   and AC are equal

∴ ND = NE = NF

∵ ND = 6x - 2

∵ NE = 3x + 7

- Equate them to find x

∴ 6x - 2 = 3x + 7

- Subtract 3x from both sides

∴ 3x - 2 = 7

- Add 2 to both sides

∴ 3x = 9

- Divide both sides by 3

∴ x = 3

- Substitute the value of x in ND to find its length

∵ ND = 6(3) - 2 = 18 - 2

∴ ND = 16 units

∵ ND = NE = NF

∴ NF = 16 units

Answer:

[tex]\huge\boxed{x=1\ \vee\ x=2}[/tex]

Step-by-step explanation:

[tex]3^{2x}-4\cdot3^{x+1}+27=0\\\\\text{use}\ (a^n)^m=a^{nm}\ \text{and}\ a^n\cdot a^m=a^{n+m}\\\\\left(3^x\right)^2-4\cdot3^x\cdot3^1+27=0\\\\\left(3^x\right)^2-12\cdot3^x+27=0\\\\\text{substitute}\ 3^x=t>0\\\\t^2-12t+27=0\\\\t^2-3t-9t+27=0\\\\t(t-3)-9(t-3)=0\\\\(t-3)(t-9)+0\iff t-3=0\ \vee\ t-9=0\\\\t-3=0\qquad\text{add 3 to both sides}\\\boxed{t=3}\\\\t-9=0\qquad\text{add 9 to both sides}\\\boxed{t=9}[/tex]

[tex]\text{We return to substitution:}\\\\3^x=t\\\\3^x=3\ \vee\ 3^x=9\\\\3^x=3^1\ \vee\ 3^x=3^2\\\\\boxed{x=1}\ \vee\ \boxed{x=2}[/tex]

Final answer:

To solve the given equation involving exponents, convert 3^(x+1) and solve as a quadratic equation.

Explanation:

The equation is: 3^(2x) - 4*3^(x+1) + 27 = 0. To solve this, we can use the rules of exponents to change 3^(x+1) into 3*3^x.

Step-by-step solution:

Substitute 3^(x+1) with 3*3^x in the equation.

Now, you have a quadratic equation in terms of 3^x, solve it to find the value of 3^x.

Once you find the value of 3^x, proceed to find the value of x.

Answer:

[tex]5 {y}^{2} - 80[/tex]

Step-by-step explanation:

The given polynomials are:

[tex]5 {y}^{2} - 80[/tex]

and

[tex]y + 4[/tex]

Let us factor the first polynomial to get:

[tex]5 {y}^{2} - 80 = 5( {y}^{2} - 16)[/tex]

We need to rewrite as difference of two squares:

[tex]5 {y}^{2} - 80 = 5( {y}^{2} - {4}^{2} )[/tex]

We can now factor to get:

[tex]5 {y}^{2} - 80 = 5( {y} - 4)(y + 4)[/tex]

So the least common multiple of

[tex]5( {y} + 4)(y - 4) \: and \: (y + 4) \: is \: 5( {y} + 4)(y - 4) = 5 {y}^{2} - 16[/tex]

l

Answer: volume is 26.9

Step-by-step explanation:

Volume of a cone is calculated by V=πr^2h/3

Where π is a constant, with value of 3.14

h is height, given as 8.4

r is radius, radius = diameter ÷ 2

Since Diameter is given as 3.5, radius = 3.5/2 = 1.75

Slot the values into the formula

V= 3.14 x 1.75^2 × 8.4/3

= 3.14 x 3.06 x 2.8

=26.9

I hope this helps.

Answer:

0.416

Step-by-step explanation:

Answer:

Step-by-step explanation:

does it have to be right?