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3 years ago

Please help !!! for 10 point you MUST answer and explain

Mathematics

2 answers:

Zolol [24]3 years ago

8 0

Answer:

Step-by-step explanation:

area = 1/2 × base × height

area = 1/2 × 6 × 15 =

babunello [35]3 years ago

4 0

45cm I hope this helps :)

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What are the x-intercepts of the quadratic function?

maw [93]

To find the x intercept set y = 0

x^2 + x - 2 =0

(x+2)(x-1) = 0

x = -2 , x = 1

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2 years ago

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What is the slope of 4x+5y= -10

Aleonysh [2.5K]

Answer:

$-\frac{4}{5}$

Step-by-step explanation:

To find the slope, rearrange the equation to y=mx+b or y=mx+c.

$4x+5y=-10$

Subtract 4x from both sides:

$5y=-10-4x$

Divide 5 on both sides:

$y=\frac{-10-4x}{5}$

$y=-\frac{4}{5} x-2$

In the equation of y=mx+b/y=mx+c, m will be the slope.

Therefore, the slope is $-\frac{4}{5}$

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2 years ago

What is the result of the first step when simplifying 13-4(x-5)

Maksim231197 [3]

I don't really get this question but simply put, if you are in college syntax matters very much. (13-4) = 9 *(x-5) = 9x-45.. although in this case. since there isn't a bracket around 13-4. you'd multiply by the -4 first, giving you, 4x-20+30 =4x-10

8 0

3 years ago

What value of x is in the solution set of 2x – 3 > 11 – 5x?

pochemuha

Given:

2x -3 > 11 -5x

Simplify both sides:

2x - 3 > -5x + 11

Add 5x to both sides:

2x - 3 +5x > -5x + 11 +5

7x - 3 > 11

Add 3 to both sides:

7x - 3 +3 > 11 + 3

7x > 14

Divided 7 to both sides:

$\frac{7x}{7}$ > $\frac{14}{7}$

x > 2

4 0

3 years ago

Use the function below to find f(-4)

Anastaziya [24]

Answer:

B. 1/16

Step-by-step explanation:

f(-4) = 2^(-4) = 1/(2^4) = 1/16

3 0

2 years ago