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aleksley [76]
2 years ago
12

HELPPP PLEASEEEEE

Mathematics
1 answer:
soldi70 [24.7K]2 years ago
6 0
The second one...maybe, honestly just needed points wait for someone else to anwser
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What id the sum of 2'8" + 1'6"
lidiya [134]
Interesting question about feet and inches.  The best way to solve this problem is to ask yourself how many inches are in a foot.  Since there are 12 inches in every foot then the length of 2'8" can be written as (2*12)" + 8".  Which is 24+8 or 32 inches.  The second number (1'6") can be written as (1*12)"+6" which is 18 inches.  32 + 18 = 50 inches.  Or, if you want to change this back into feet and inches just divide it by 12.  50/12 is 4 R. 2.  So 4'2".
3 0
3 years ago
Two and two fifths divided by one and a half
worty [1.4K]

Answer:

8/5 or 1 3/5

Step-by-step explanation:

2 2/5 = 12/5

1 1/2 = 3/2

Now that we have fractions that are easier to divide, one must understand that the opposite of dividing is multiplying. So if you multiply 12/5 by the reciprocal* of 3/2, which would be 2/3, you would get your answer so...

12     3         12    2        24     8             3

—  ÷ —   =   — × —    =  —  = —   <em>or</em>  1  —

5       2         5     3        15      5             5

*the reciprocal is the opposite of the fraction you have. So the denominator would become the numerator, and vise versa.

6 0
3 years ago
A friend tells you she has saved for 7 years and has a present sum of $14,000, which earned at the rate of 7% per year, compound
vovikov84 [41]

Jupiter Saturn Mars Earth Sun

5 0
2 years ago
Autum school holding a voleturing challeng. Students are encouraged to volunteer for at least 1 1/2 hours per week. Volenteers a
Pani-rosa [81]

Given :

Challenge given is to volunteer for about 1 1/2 hours per week .

Autum did at a rate of 6 3/4 hours per week .

To Find :

The comparison ( ratio )  her volunteers rate with the challenge rate .

Solution :

Simplifying challenge rate in in normal fraction , 1\dfrac{1}{2}=\dfrac{2+1}{2}=\dfrac{3}{2} .

Also , simplifying her rate , 6\dfrac{3}{4}=\dfrac{(6\times 4)+3}{4}=\dfrac{27}{4} .

Now , ratio of his work by challenge is :

R=\dfrac{\dfrac{27}{4}}{\dfrac{3}{2}}\\\\\\R=\dfrac{27\times 2}{4\times 3}\\\\R=\dfrac{9}{2}

Therefore , the ratio is 9/2 or 4 1/2 .

Hence , this is the required solution .

8 0
3 years ago
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Need help solving this puzzle
Dovator [93]

Answer:

what exactly is it asking the angle like 90 degrees obtuse acute?

Step-by-step explanation:

4 0
3 years ago
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