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klemol [59]
3 years ago
8

PLEASE HELP ME THIS ASSIGNMENT IS 50 SUMMATIVE POINTS IT COULD REALLY HELP OR HURT OR GRADE DUE IN 10 MIN

Mathematics
1 answer:
Alborosie3 years ago
7 0
Jane times everything by 100
karen timed 1.25 by 100
scott added x and 1.25x together
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What is the total surface area of the rectangular prism?​
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Answer:

Total surface = 102.4 cm^2 (second answer in the list of options)

Step-by-step explanation:

Notice that we need to add the surface of 4 rectangles, two have smaller sizes than the other two. A pair of rectangles are 7.2 cm x 4 cm = 28.8 cm^2, while the other pair has 7.2 cm x 2 cm = 14.4 cm^2

There are also two equal bases each one of size 4 cm x 2 cm = 8 cm^2

Now we add two of each of the individual surfaces discussed above to complete the total surface area:

2 * 28.8 + 2 * 14.4 + 2 * 8 =  102.4 cm^2

which agrees with the second answer option provided.

3 0
3 years ago
How many cubic yards in 4" x 2500sq ft?
hjlf
4" x 2500 ft², namely 4 ft x 2500 ft², will just be 4*2500*ft*ft², or 10000 ft³.

\bf \begin{array}{ll}
yd&3ft\\\\
(yd)^2&(3ft)^2\\
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since there are 27 ft³ in 1 yd³, then how many yd³ are there in 10000 ft³?

10000/27, that many yd³.
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If 240 students are surveyed, how many students will not prefer math or language arts?
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Step-by-step explanation:

sorry I can't understand.

really sorry

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