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amid [387]
2 years ago
7

Help me please! thank u alot

Mathematics
1 answer:
8090 [49]2 years ago
3 0

Answer:

a. 5.8+5+7.8+4.5=23.1 units (perimeter)

b. 11.55 units, half

Step-by-step explanation:

Hope this helps

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Write the ratio as a fraction in lowest terms.<br> 15 minutes to 3 hours
mel-nik [20]

Answer:

Part A is 5/6 of the whole

Part B is 1/6 of the whole

Solution:

Assuming there are no other parts,

the Whole = A + B is the denominator:

Whole = 15 + 3 = 18

Part A = 15 and Part B = 3 are numerators for each fraction.

The fractions are then:

15/18 and 3/18

Meaning:

Part A is 15/18 of the whole

Part B is 3/18 of the whole

Reducing the fractions, it is also true that:

Part A = 5/6 of the whole

Part B = 1/6 of the whole

7 0
3 years ago
Read 2 more answers
Question 9(Multiple Choice Worth 5 points) (06.01 MCWhat is the value of the expression 2 + 32. (5 - 1) ​
soldier1979 [14.2K]

Answer:

38

Step-by-step explanation:

2 + 3^2 (5 - 1) ​

PEMDAS says parentheses first

2 + 3^2 (4) ​

Then exponents

2 + 9 (4) ​

Then multiply

2+36

Then add

38

3 0
3 years ago
Using equivalent ratios to find a whole \/
Shkiper50 [21]

Answer:

C.

Step-by-step explanation:

So there are 20 kids with brown hair and this represents 80% of the class total.

So this means 20=.8n since we don't know the total number of kids.

20=.8n

Divide both sides by .8

25=n

So 25 is the total number of kids.

C. is the answer

You could also setup this equation given that 80% is 80/100:

[tex]\frac{20}{\text{ total }}=\frac{80}{100}

To figure out what that total is there you can divide top and bottom of the fraction on right hand side by 4 which gives you the 20 on top and the 25 on bottom.

5 0
4 years ago
Suppose you work in a grocery store 4 hours on Friday and 5 hours on Saturday. You earn $6.25 an hour.
Shalnov [3]

Answer:

If the quetion is how much money I earned on both days it would be 56.25

Step-by-step explanation:

4hours times 6.25 an hour = 25 now we do 5hours times 6.25 an hour = 31.25 so add them to get 56.25

5 0
3 years ago
Please help me. Converse
aleksley [76]

Answer:

X = 5

Step-by-step explanation:

(23x+1) = (27x-19)

23x-27x = -1 -19

-4x = -20

x = 5

5 0
3 years ago
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