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xxTIMURxx [149]
3 years ago
5

Given that f(x) = 5x − 10 and g(x) = x + 3, solve for f(g(x)) when x = −1. (1 point)?

Mathematics
1 answer:
Viefleur [7K]3 years ago
4 0
F(g(x)) means u solve g(x) first then you plug that value into f(x)
x = -1
g(-1) = -1 + 3 = 2
plug 2 into f(x)
f(2) = 5(2) - 10 = 0
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A snail moves at a speed of about 153.54 feet per hour. What is the snail's speed in inches per minute? Round the answer to the
Gelneren [198K]
The answer is C. 60 / 12 = 5    153.54 / 5 = 30.71
5 0
3 years ago
One side of a triangle is half the longest side. The third side is
Illusion [34]

Answer:

The length of the sides are 9 units, 18 units and 11 units

Step-by-step explanation:

Let

x ----> one side of the triangle

y ----> the longest side of the triangle

z ----> the third side of the triangle

we know that

The perimeter of triangle is equal to

P=x+y+z

we have

P=38\ units

so

38=x+y+z ----> equation A

x=\frac{y}{2} -----> equation B

z=y-7 ----> equation C

substitute equation B and equation C in equation A

38=\frac{y}{2}+y+(y-7)

solve for y

38=\frac{5}{2}y-7

\frac{5}{2}y=38+7

\frac{5}{2}y=45

y=45(2)/5

y=18\ units

<em>Find the value of x</em>

x=\frac{y}{2} ---> x=\frac{18}{2}=9\ units

<em>Find the value of z</em>

z=y-7 ----> z=18-7=11\ units

therefore

The length of the sides are 9 units, 18 units and 11 units

4 0
3 years ago
Does -2(11-12x)=-4(1-6x) does it have one solution or no solution or many solutions
VARVARA [1.3K]

Answer:

no solutions

Step-by-step explanation:

-2(11-12x)=-4(1-6x)

Distribute

-22 +24x = -4 +24x

Subtract 24x from each side

-22 +24x-24x = -4 +24x-24x

-22 = -4

This is never true, so there are no solutions

6 0
3 years ago
If y is 2.5 when x is 5 and i varies directly with x, find y when x is 14 ?
Anestetic [448]

ANSWER

y = 7

EXPLANATION

If y varies directly with x, we write the mathematical statement;

y \propto \: x

When we introduce the constant of proportionality k, then we write the equation,

y = kx

If y is 2.5 when x is 5,then we have;

2.5 = 5k

k =  \frac{2.5}{5}

k = 0.5

The equation of variation then becomes;

y = 0.5x

when x=14,

y = 0.5(14)

y = 7

8 0
3 years ago
Read 2 more answers
3x-(-3-x)=-1 <br> pls answer this
Gnom [1K]
3x +3 + x = -1
4x= -4
X= -1
7 0
2 years ago
Read 2 more answers
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