2 years ago

Please help with 9 it will be brainlist

Mathematics

1 answer:

Andrew [12]2 years ago

8 0

Answer:

If you are below the age of 18 then you are not regarded as a grown up person.

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If (4x−7)2=ax2+bx+c for all values of x, what is the value of c(b+a)?

ollegr [7]

Answer:

-1960

Step-by-step explanation:

The expression on the left expands to ...

(4x -7)² = (4x)² +2(4x)(-7) +(-7)² = 16x² -56x +49

Matching coefficients, you have ...

a = 16
b = -56
c = 49

Then the expression c(b+a) evaluates to ...

49(-56+16) = 49(-40) = -1960

8 0

3 years ago

Help help help math math

Contact [7]

$\frac{2 |x - 3| }{5} = 6 \\$

$5 \times \frac{2 |x - 3| }{5} = 5 \times 6 \\$

$2 |x - 3| = 30$

$\frac{2 |x - 3| }{2} = \frac{30}{2} \\$

$|x - 3| = 15$

$x - 3 = 15$

$x - 3 + 3 = 15 + 3$

$x = 18$

$x - 3 = - 15$

$x - 3 + 3 = - 15 + 3$

$x = - 12$

4 0

2 years ago

Read 2 more answers

Helpp fast please i will give brainliest thank you so much

enot [183]

B= 5,3
c=4,-1
a=2,1
this is the answer to part c

8 0

3 years ago

Read 2 more answers

A rectangle is removed from a right triangle to create the shaded region shown below. Find the area of the shaded region. Be sur

Vesnalui [34]

Answer:

12 m squared

Step-by-step explanation:

area of triangle is 1/2 base x height

base x height is 28 so 1/2 is 14

the area of the rectangle is base x height

1 x 2 = 2

14-2 = 12

8 0

3 years ago

Solve for x.

Licemer1 [7]

Answer:

Two manned satellites approach one another at a relative speed of 0.400 m/s, intending to dock. The first has a mass of 5.50 ✕ 103 kg, and the second a mass of 7.50 ✕ 103 kg. If the two satellites collide elastically rather than dock, what is their final relative velocity in meters per second?

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2 years ago