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3 years ago

G(x)=2x-5 h(x)=4x+5 find g(3)-h(3)

Mathematics

2 answers:

Dominik [7]3 years ago

8 0

Answer:

-16

Step-by-step explanation:

G(x)=2x-5

G(3)=2(3)-5

=6-5

H(x)=4x+5

H(3)=4(3)+5

=12+5

=17

G(3)-H(3)

1-17

=-16

Therefore the final answer is -16

ElenaW [278]3 years ago

4 0

Answer:

-16

Step-by-step explanation:

G(x)=2x-5 h(x)=4x+5

g(3)-h(3)

g(3) = 2(3) -5 = 6-5 =1

h(3) = 4(3) +5 = 12 +5 = 17

g(3)-h(3) = 1-17 = -16

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3 years ago

Which of the following is equivalent to <br><br> 3x−4y=18?

sammy [17]

The equation which is equivalent to the equation as given in the task content is; 6x -8y = 36.

<h3>Which equation is equivalent to the equation as given in the task content?</h3>

According to the task content, it follows that the equation which is given in the task content is;

3x -4y = 18.

Hence, upon multiplication of the whole equation by 2; the resulting equation from the multiplication is;

6x -8y = 36

Ultimately, the equivalent equation is; 6x -8y = 36.

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2 years ago

Suppose that the water level of a river is 34 feet and that it is receding at a rate of 0.5 foot per day. Write an equation for

vivado [14]

Answer:

The equation to represent the rate of receding water level is L = 34 $(0.5)^{d}$ .

Step-by-step explanation:

Given as :

The initial level of water in river = 34 feet

The rate of receding water level = 0.5 foot per day

Or, The rate of percentage of receding water level = 50 % per day

Let the level of water after d days = L

Now,

The level of water after d days = initial level of water × ( $(1-\dfrac{\textrm Rate}{100})^{Time}$

I.e L = 34 × ( $(1-\dfrac{\textrm 50}{100})^{d}$

∴ L = 34 × $(0.5)^{d}$

Hence The equation to represent the rate of receding water level is L = 34 $(0.5)^{d}$ . Answer

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3 years ago