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4 years ago

Question 2 (1 point)

Mathematics

1 answer:

Fofino [41]4 years ago

5 0

Answer:

<h2>472.5 cubic feet.</h2>

Step-by-step explanation:

The dimensions of the tent are 9 by 15 at the base and 7 units of height. So, the voume is defined as

$V=\frac{1}{2}(bh_{base}h_{prism} )$

Replacing all given values, we have

$V=\frac{1}{2} \times 9 \times 15 \times 7=472.5 \ u^{3}$

Therefore, the right answer is the second choice.

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Zepler [3.9K]

Answer: $61.50

Step-by-step explanation:

To do this you need to first find 18% of 75 which is 13.5 or $13.50 and then subtract that from the original price being $75 and you get $61.50

HOPE THIS HELPS ^^

3 0

3 years ago

Read 2 more answers

Do the ratios 4:5 and 13:20 form a proportion?

Montano1993 [528]

Answer:

Step-by-step explanation:

Cross multiplying shows that the proportion is false.

4 0

3 years ago

sixteen men working 9 hrs a day can complete a pice of work in 14 days .How many more men working 7 hrs a day would complete the

nordsb [41]

Answer:

<em>8 more men are needed to complete the job</em>

Step-by-step explanation:

<u>Proportions</u>

This problem can be solved by step-by-step reasoning applying proportions:

16 men working 9 hrs a day complete the job in 14 days
16 men working 1 hr a day complete the job in 14*9 days

The above statement stands because the fewer hours of work, the more time the job needs to be completed. Let's continue.

1 man working 1 hr a day complete the job in 14*9*16 days

The same reasoning applies here, fewer men=more days.

Now for the second condition. Increase the hours/day:

1 man working 7 hrs a day complete the job in 14*9*16/7 days

More hours/day=less days to complete the job

x men working 7 hrs a day complete the job in 14*9*16/(7*x) days

We know this last time is 12 days, thus:

$\displaystyle 12=\frac{14*9*16}{7*x}$

Solving for x:

$\displaystyle x=\frac{14*9*16}{7*12}=\frac{2016}{84}=24$

24 men are needed now, this is an increase of 24-16=8 more men

8 more men are needed to complete the job

7 0

3 years ago

Solve ten and one seventh plus two and five sevenths.

Karo-lina-s [1.5K]

Answer:

you see it would be 12 17 over 20 so twelve seventeen twentieths

Step-by-step explanation:

i forgot how to make it a different fraction because its been four years since 6th grade (when I learned it) so I think you should be able to convert it

8 0

3 years ago

If s-t=5, what is the value of 3s -3t + 3 ?

skelet666 [1.2K]

Answer:

Step-by-step explanation:

s=5?

t=5?

3(5) - 3(5) +3

(15) -15 = 0

0 + 3 = 3

4 0

3 years ago