Can somebody please help me with this math problem?

Mathematics

1 answer:

meriva3 years ago

4 0

Answer:

x=8.5

Step-by-step explanation:

you have to count the numbers at the top you get 22 then you subtract 22 from 39 that will get you 17 cut 17 in half and you will get 8.5 .so put 8.5 on both of the sides on the bottom.answer x equals 8.5

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2x<15 solve for x Simplify equation

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Answer:

x<7.5

Step-by-step explanation:

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What is the vertex of the graph of the function below? y = x2 + 8x + 12

Vera_Pavlovna [14]

Hello,

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$x=- \frac{b}{2a} \\ \\ x=- \frac{8}{2*(1)} \\ \\ \boxed{x=-4} \\ \\ Reeplacing \,\,x: \\ y=(-4)^{2} +8*(-4)+12 \\ y=16-32+12 \\ \boxed{y=-4}$

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B is the answer how you do good

3 0

3 years ago

Suppose that a cyclist began a 374 mi ride across a state at the western edge of the state, at the same time that a car traveli

kherson [118]

This is the concept of relative speed; We are required to calculate the speed of the car and the bicycle.
Distance between the car and Bicycle=374 miles
Time they met=5.5 hr
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Relative speed=x+(x+33.4334)=(2x+33.4334) mph
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374=11x+183.8837
collecting like term we get:
374-183.8837=11x
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thus;
x=(190.1163)/(11)
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Sergeeva-Olga [200]

Answer:

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2 years ago