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2 years ago

Square EFGH underwent several transformations.

Mathematics

1 answer:

MariettaO [177]2 years ago

3 0

Answer:

d=0.25

Step-by-step explanation:

4 + 4*d = 5

4d = 1

d =0.25

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Ito washes 7 cars in 3 hours. Joan

Elden [556K]

Answer:

Ito

Step-by-step explanation:

Make them to their closest common multiple which is twelve.

Next times 7 by 4 as 3*(4) is 12

Then time 9 by 3 as 3*(4) is 12

7*4=28

9*3=27

Therefore ito washes at a faster rate

5 0

3 years ago

Read 2 more answers

Transform the given quadratic function into vertex form f(x) = quadratic function into vertex form f(x) = quadratic function int

melisa1 [442]

Answer:

Vertex form: $f(x) =(x +\frac{7}{2})^2 -\frac{53}{4}$

The vertex is $(-\frac{7}{2},-\frac{53}{4})$

Step-by-step explanation:

For a general quadratic function the form is:

$ax ^ 2 + bx + c$

For the function

$f(x) = x ^ 2+ 7x -1$

The values of the coefficients for the function are the following: $a = 1$ , $b =7$ , $c = -1$

Take the value of b and divide it by 2. Then, the result obtained squares it.

$\frac{b}{2}= \frac{7}{2}$

$(\frac{b}{2})^2=(\frac{7}{2})^2=\frac{49}{4}$

Add and subtract $\frac{49}{4}$

$f(x) = (x ^ 2 +7x +\frac{49}{4}) -\frac{49}{4}- 1$

Write the expression of the form

$f(x) = (x+\frac{b}{2})^2 +k$

$f(x) =(x +\frac{7}{2})^2 -\frac{53}{4}$

The vertex is $(-\frac{7}{2},-\frac{53}{4})$

6 0

3 years ago

Please, Need Help ASAP!!

Jobisdone [24]

Answer:

I think it's A I'm not sure

6 0

2 years ago

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The sum of the angle measures of the polygon is 540°. Write and solve an equation to find the value of x.

leva [86]

Let's set the measure of each angle equal to 540 degrees.

4x + 4x + 5x + 2 + 96 + 5x - 8 = 540

Combine like terms.

18x + 90 = 540

Subtract 90 from both sides.

18x = 450

Divide both sides by 18

x = 25

8 0

3 years ago

3+7 and 1/2÷1 and 3/10

natali 33 [55]

Answer:

8.76923076923

Step-by-step explanation:

7 0

3 years ago