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3 years ago

8

What is the solution to this system of equations?5x + 2y = 29 x + 4y = 13

1 answer:

4vir4ik [10]3 years ago

6 0

Answer:It would be 5,2 (Or C)

Step-by-step explanation:

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Tim answered all the questions on his math test but got 10 answers wrong. He received 4 points for every correct answer, and the

charle [14.2K]

4x = 76
Where x is how many awnsers he got correct and 4 how many points each correct question awnsered.

Now you just have to isolate x by dividing both sides of the equation by 4

4x/4 = 76/4
x = 19

So he got 19 questions right and 10 awnsers wrong. In total there were 29 questions on his test

8 0

4 years ago

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Whats the answer to #10. use the blue thing.

zvonat [6]

It is 784 cubic inches so you are right

4 0

3 years ago

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Find f(-2) for the function f (x) = 3x^2-2x+7

barxatty [35]

Answer:

23

Step-by-step explanation:

plug -2 in for x then solve

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3 years ago

A bicycle shop advertised all mountain bikes priced at a 1/3 discount what is the amount of the discount if the bicycle original

german

Answer: 109

Step-by-step explanation:

327=3/3

so divide 327 by 3 to get 109

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3 years ago

A student bought a piece of hard candy that is in the shape of a sphere. The candy has a radius of 3 centimeters.

worty [1.4K]

Volume of piece candy is 113.04 cubic centimeter

<em><u>Solution:</u></em>

A student bought a piece of hard candy that is in the shape of a sphere

<em><u>The candy has a radius of 3 centimeters</u></em>

Radius = 3 cm

Use 3.14 for π

<em><u>Volume of sphere is given as:</u></em>

$V = \frac{4}{3} \times \pi \times r^3$

Where, "r" is the radius of sphere

<em><u>Therefore, volume of candy is given as:</u></em>

$V = \frac{4}{3} \times 3.14 \times 3^3\\\\V = 4 \times 3.14 \times 3^2\\\\V = 12.56 \times 9\\\\V = 113.04$

Thus volume of candy is 113.04 cubic centimeter

3 0

3 years ago