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3 years ago

Need this done quick, ty!

Mathematics

1 answer:

riadik2000 [5.3K]3 years ago

3 0

Answer:

f (-3) = 7

Step-by-step explanation:

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Use what you know about the difference of squares and the product of a perfect square binomial to expand the following.

wel

Answer:

$\boxed{x^2 - 6x + 9 - y^2}.$

Step-by-step explanation:

We start by applying the difference of squares to the expression:

$((x-3)-y)((x-3)+y) = (x-3)^2 - y^2.$

Now we apply the square of a binomial to the first term:

$(x-3)^2 - y^2 = x^2 - 2 \times 3 \times x + 3^2 - y^2 = x^2 - 6x + 9 - y^2.$

So the answer is:

$\boxed{x^2 - 6x + 9 - y^2}.$

3 0

3 years ago

Evaluate the expression.

wolverine [178]

Answer : 14

Here is my step by step : Try to Always follow the PEDMAS

6 + 2 = 8

8-12 = - 4

1 . (-4) = 1 . 4 = - 4

= 4. 2

( - 4 ) . 2 = - 4 . 2 = 8

14 - 8 - ( - 8 )

14 - 8 = 6

6-(-8)

- (-8) = + 8

6+8 = 14

Hope that helped

7 0

3 years ago

What is the cube root of 64x^12

dimulka [17.4K]

<span>64x^12 = 4^3 x^12
cube root </span>64x^12 = 4x^4

answer 4x^4

6 0

4 years ago

Read 2 more answers

42) According to the 2000 Census the population of Canton was 7,720. Holly Spring's population was 3,200. Canton's population in

Fiesta28 [93]

Let's construct an equation for Canton's population increase as 7220+80n and Holly Spring's population increase with 3200+120n, where n is the number of years. We have to set these equations to each other in order to find when the population of these two places are equal. 3200+120n=7220+80n and n=100.5. After 100 and half years

3 0

3 years ago

A runner completed a 26.2-mile marathon in 210 minutes. a. Estimate the unit rate, in miles per minute. Round your answer to the

ivanzaharov [21]

Answer:

Unit rate by which the runner completed the marathon is 0.13 miles per minute.

Step-by-step explanation:

A runner competed a marathon of 26.2 miles in 210 minutes.

we can get unit rate by unitary method.

∵ In 210 minutes a runner completes the distance = 26.2 miles

∴ In 1 minute runner will complete the distance = $\frac{26.2}{210}$

= 0.125 miles per minute

≈ 0.13 miles per minute

Therefore, unit rate by which the runner completed the marathon is 0.13 miles per minute.

6 0

3 years ago