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Helga [31]
3 years ago
13

Keiko is mixing 4 cups of concrete to make a stepping stone. She needs 1.5 cups of sand and 2.5 cups of cement mix. Which statem

ent best describes how much of each ingredient Keiko needs to measure? A. Keiko should make it easy and just measure about 1 cup of sand and 3 cups of cement mix since she needs a total of 4 cups. B. Keiko should measure exactly 1.5 cups of sand and 2.5 cups of cement mix to be sure the concrete will set properly. C. Keiko should make it easy and just measure about 2 cups of each since she needs a total of 4 cups.
Mathematics
1 answer:
Charra [1.4K]3 years ago
8 0
Ur answer would be B.. Hope it helps let me know if its right or not!
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A train travels 146 miles in 2 hours. At this rate, how many miles will it travel in 3.5 hours?​
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Answer:

255.5 miles

Step-by-step explanation:

146 miles - 2 hours

x miles - 3.5 hours

Cross multiply

2x = 146 x 3.5

2x = 511

Divide both sides by 2

x = 511/2

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Step-by-step explanation:

Formula

V pi * r^2 * h

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pi = 3.14 when used.

Solution

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V = 169.56 to the hundred's place.

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A trapezoid has an area of 780 square meters. The height of the trapezoid is 40 ​meters, and the length of the longer base is tw
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Solve the inequality for w.<br> - 11 &gt;w- 19
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Answer:

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We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.

To find surface area for a rectangular prism, use the formula SA = 2ab + 2bc + 2ac, where a is the width, b is the height, and c is the length. If you're trying to find the surface area of a triangular prism, use the formula SA = 2a + ph, where a is the area of the triangle, p is the perimeter, and h is the height

Hope that was helpful.Thank you!!!

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