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miv72 [106K]
3 years ago
5

Richard took a math quiz last week. There were 100 problems on the quiz and Richard answered 30% of them correctly. How many pro

blems did Richard get correct?
Mathematics
2 answers:
densk [106]3 years ago
8 0

Answer:

Step-by-step explanation:

100×3=300÷100

he got 3 correct.

kolbaska11 [484]3 years ago
6 0

Answer: he got 30 of them correctly

Step-by-step explanation: because 30% of 100 is 30.

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A cylinder has a surface area of 1850 square meters and a radius of 9 meters. Estimate the volume of the cylinder to the nearest
Mamont248 [21]
Area of a cylinder is the area of the top + the area of the bottom + the area of the wrap-around (lateral)
top: pi*r*r=81pi
bottom: 81pi
lateral: 2pi*r*h=18pi*h, h is unknown, but you don't have to solve it. 

add them up: 81pi +81pi + 18h*pi=1850 
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use your calculator: V=6036

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3 years ago
Use a real number line to define la.
mrs_skeptik [129]

A number line is just that – a straight, horizontal line with numbers placed at even increments. The distance from the origin to a is |a| for any real number a. Thus, the correct option is C.

<h3>What is a number line?</h3>

A number line is just that – a straight, horizontal line with numbers placed at even increments along the length. It’s not a ruler, so the space between each number doesn’t matter, but the numbers included on the line determine how it’s meant to be used.

As we know that in the given function |a|, when any value is given to a, then the value that the function is written is equal to a.

Let a=-5, then the value that the function will return is 5. Which is the distance borigin and a, on the number line.

Hence, The distance from the origin to a is |a| for any real number a. Thus, the correct option is C.

Learn more about the Number line:

brainly.com/question/557284

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3 years ago
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Scilla [17]

Answer:

(5,3)

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If you put the two points on a graph, you can clearly see that if you follow the slope (rise/run) it shows the coordinates of B.

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3 years ago
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3 years ago
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