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masha68 [24]
2 years ago
7

Pls help ill give brainliest ​

Mathematics
2 answers:
Maurinko [17]2 years ago
7 0

Answer:

4

Step-by-step explanation:

-5g -6

Let g= -2

-5 (-2) -6

Multiply

10 -6

4

MissTica2 years ago
3 0

Answer:

A. 4

Step-by-step explanation:

So, we have an equation with a variable (g), and they've given us the value of g to be -2. All we have to do at this stage is plug in the value of g into the equation.

-5g-6 (g=-2)

-5(-2)-6

10-6=4

Doing the math by plugging in -2, you would get your answer to be 4. Let me know if you see any errors, and if you have any further questions at all.

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PLEASE HELP
GREYUIT [131]

Answer:

After solving we get (f.g)(5)=-115

But the correct option is not given in the question.

Step-by-step explanation:

We are given:

f(x) = 4x+3\\g(x)=-2x+5

We need to find (f.g)(5)

First we will multiply f and g to find (f.g) i.e

(f.g)(x)= f(x) \times g(x)\\(f.g)(x) = (4x + 3)(-2x + 5)\\(f.g)(x)=4x(-2x+5)+3(-2x+5)\\(f.g)(x)=-8x^2+20x-6x+15\\(f.g)(x)=-8x^2+14x+15\\

Now putting x=5

(f.g)(x)=-8x^2+14x+15\\Put \ x=5\\(f.g)(5)=-8(5)^2+14(5)+15\\(f.g)(5)=-8(25)+70+15\\(f.g)(5)=-200+70+15\\(f.g)(5)=-115

So, after solving we get (f.g)(5)=-115

But the correct option is not given in the question.

5 0
2 years ago
Which is equivalent to square root 10^3/4x?
iren2701 [21]

Answer:

5√(10/x)

Step-by-step explanation:

√10^3/4x

= √10^3 / √4x

= 10√10 / 2√x

=(10/2)√(10/x)

= 5√(10/x)


7 0
3 years ago
The radius of a sphere is 11 cm.what is the surface area of the sphere? Round to the nearest tenth.
Vanyuwa [196]

Answer:

The answer is

<h2>1520.5 cm²</h2>

Step-by-step explanation:

Surface area of a sphere is given by

S = 4πr²

where r is the radius

From the question r = 11cm

So the surface area of the sphere is

4π(11)²

= 4(121)π

= 484π

= 1520.5308

Which is

1520.5 cm² to the nearest tenth

Hope this helps you

8 0
3 years ago
Multiply -c^2(3c-2) apply distributive property and multiply
alexandr402 [8]

Answer:

\large\boxed{-c^2(3c-2)=-3c^3+2c^2}

Step-by-step explanation:

-c^2(3c-2)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\=(-c^2)(3c)+(-c^2)(-2)\\\\=-3c^3+2c^2

7 0
2 years ago
Plz help first right gets brainly
Anestetic [448]
A. Is not linear because is has no y
How this helped ya out! :D
6 0
2 years ago
Read 2 more answers
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