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Serhud [2]
3 years ago
6

Can you please help me ​

Mathematics
1 answer:
satela [25.4K]3 years ago
3 0

Answer:

4

Step-by-step explanation:

Just trust me.

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Given f(x)=-4x+7 find f(2) how do i slove this
yan [13]

Answer:

-1

Step-by-step explanation:

given f(x)=-4x+7 find f(2)

f(2) means question : if x=2, f(2)=?

f(2)= -4x2+7=-1

8 0
3 years ago
PLEASE GIVE ME ANSWERS I WILL MARK AS BRAINLIEST!
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Step-by-step explanation:

Please refer to the attachment

7 0
3 years ago
If 10% equals $50 how much is 25%
VLD [36.1K]
Steps:
1) 50 / .1 = 500
2) 500 * .25 = 125
Answer = 125

3 0
3 years ago
Read 2 more answers
Is the given answer a reasonable solution to the problem? 7.92 • 10.21 = 808.632
azamat
Yea its is reasonable. Hope i helped :)
3 0
3 years ago
An isosceles trapezoid with a perimeter of 42 inches. Each of the congruent non parallel sides is 5 inches long, and the trapezo
Ratling [72]

Answer:

Longer - 20 in and Shorter - 12 in

Step-by-step explanation:

We know that when we subtract the shorter side from longer we get two cuts named  x:

2 x = a - b  => a - b = 2 x

One of this section ( x ) with height ( h ) and lateral (congruent non parallel) side ( c ) make right triangle, from which we get:

x² = c² - h²  and c = 5 in, h = 3 in

x² = 5² - 3² = 25 - 9 = 16 => x = √16 = 4 => x = 4 in

Now we will replace x = 4  in the equation  a - b = 2 · 4 = 8 and get first equation of the system.

a - b = 8

We also know that the formula for calculating perimeter is:

P = a + b + 2 c  where P = 42 in and c = 5 in

a + b = 42 - 2 · 5 = 42 - 10 = 32

Now  we get the second equation of the system:

a + b = 32

a - b = 8  

When we add first equation to the second we get:

2 a = 40 => a = 40 / 2 = 20 => a = 20 in

When we replace a = 20 in the first equation we get:

20 + b = 32  => b = 32 - 20 = 12 => b = 12 in

God with you!!!

8 0
3 years ago
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