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?

bogdanovich [222]

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.

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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.

$\bf \begin{array}{ll}
yd&3ft\\\\
(yd)^2&(3ft)^2\\
&(3^2ft^2)\\
&9ft^2\\\\
(yd)^3&(3ft)^3\\
&(3^3ft^3)\\
&27ft^3
\end{array}$

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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3 years ago

To finance her community college education, Sarah takes out a loan for $3400. After a year Sarah decides to pay off the interest

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She has to pay $170 i think

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If 240 students are surveyed, how many students will not prefer math or language arts?

Zinaida [17]

C. 96 students will not prefer math or language arts

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Donne l'ecriture scientifique de chacun de ces nombres

bearhunter [10]

Step-by-step explanation:

sorry I can't understand.

really sorry

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