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3 years ago

What is the awnser???

Mathematics

1 answer:

Alona [7]3 years ago

7 0

The volume formula for a cube is a^3. a being the edge, so 3^3=27
and 27x5=135
so the answer should be 135cm^3

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Solve the inequality n+3<-7

Aliun [14]

Answer:

Step-by-step explanation:

n<-7-3

n<-10

=> n= (-infinitive ; -10)

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2 years ago

Question 11

mamaluj [8]

The first one is the correct answer

Y-7=-3(x+2)

6 0

3 years ago

write the ratio as a fraction in simplest form, with whole numbers with a numerator and a denominator 16 g to 40 g

kobusy [5.1K]

16:40 as a fraction is 16/40. 16/40 is 4/10 simplified

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4 years ago

Read 2 more answers

What is the y-value of the vertex of the function f(x) = –(x + 8)(x – 14)?

maxonik [38]

we have

$f(x)=-(x+8)(x-14)$

Convert to vertex form

$f(x)=-(x+8)(x-14)\\f(x)=-( x^{2}-14x+8x-112) \\f(x)=-( x^{2}-6x-112)\\f(x)=-x^{2}+6x+112$

we know that

the equation of a vertical parabola in vertex form is equal to

$y=a(x-h)^{2} +k$

where

(h,k) is the vertex

$f(x)=-x^{2}+6x+112$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$f(x)-112=-(x^{2}-6x)$

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

$f(x)-112-9=-(x^{2}-6x+9)$

$f(x)-121=-(x^{2}-6x+9)$

Rewrite as perfect squares

$f(x)-121=-(x-3)^{2}$

$f(x)=-(x-3)^{2}+121$

the vertex is the point $(3,121)$

therefore

<u>the answer is </u>

The y-value of the vertex is $121$

8 0

4 years ago

Does the parabola h(t) = -16t2 + 250t open up or down? Why does this make sense?

mash [69]

Down because it has a negative coefficient.

3 0

4 years ago