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3 years ago

G(x)=6x+30 and g(x)=72

Mathematics

1 answer:

san4es73 [151]3 years ago

8 0

Answer:

x=7

Step-by-step explanation:

make the equations equal each other

72=6x+30

subtract 30

42=6x

divide by 6

42/6=7

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3 years ago

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3 years ago

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Timmy is on a 2100 mile trip across the country. Over the last 12 hours of driving Timmy has traveled 720 miles. If he continues

kondor19780726 [428]

Answer:

23 hours

Step-by-step explanation:

So here we are trying to calculate Time which is Distance divided by Speed

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This means that the speed is 60 miles per hour or 60 mph.

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3 years ago

Determine weather (4x + 3) is a factor of (4x^2 - 5x - 6)

weqwewe [10]

Answer: A. (4x+3) (x-2) = 4x^2-5x-6

Step-by-step explanation:

7 0

3 years ago

Evaluate without using a calculator (x2y-3)0+x1/3-(4x)1/2 when x = 64 and y = 27. Show work.

aleksley [76]

Given:

The expression is:

$(x^2y-3)^0+x^{\frac{1}{3}}-(4x)^{\frac{1}{2}}$

To find:

The value of the given expression when $x=64$ and $y=27$ .

Solution:

We have,

$(x^2y-3)^0+x^{\frac{1}{3}}-(4x)^{\frac{1}{2}}$

Putting $x=64$ and $y=27$ , we get

$=((64)^2(27)-3)^0+(64)^{\frac{1}{3}}-(4(64))^{\frac{1}{2}}$

It can be written as

$=((64)^2(27)-3)^0+(4^3)^{\frac{1}{3}}-(4)^{\frac{1}{2}}(64)^{\frac{1}{2}}$

$=1+4-2(8)$ $[\because a^0=1,a\neq 0]$

$=5-16$

$=-11$

Therefore, the value of the given expression $-11$ when $x=64$ and $y=27$ .

4 0

3 years ago