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svetoff [14.1K]
2 years ago
13

Plz give right answers,and a SIMPLE explanation, thnx! :)

Mathematics
2 answers:
Greeley [361]2 years ago
4 0

Answer:

10

Step-by-step explanation:

so do parentheses first so 12+8 is 20

1/2 of 20 is 10

ehidna [41]2 years ago
3 0

Answer:

  • 10

Step-by-step explanation:

<u>Given</u>

  • 1/2×(12 + 8)

<u>Step 1, complete the parenthesis:</u>

  • 12 + 8 = 20

<u>Step 2, perform multiplication:</u>

  • 1/2*20 = 20/2 = 10

Answer is 10

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Please help!! A scale on a hiking map shows at 3 inches represents 1.25 miles. What number of inches on the map represents 10 ac
Semenov [28]

Answer:

24 miles

Step-by-step explanation:

Set up a proportion:

3 inches/1.25 miles = x inches/10 miles

Then cross multiply

30=1.25x

Divide 1.25 on both sides

x=24

5 0
3 years ago
1. In a certain company, 30 percent of the men and 20 percent of the women attend night school. If 40
vodka [1.7K]

Answer: 24% of all employees attend night school.

Step-by-step explanation: If 40% of all employees are men and 30% of the men attend night school, we can multiply 0.40 by 0.30 to get the percentage of men who attend night school: 12% or 0.12. To find the number of women who attend night school, multiply 0.20 by 0.60(assuming percentage of men and women add up to 100%) to get 12%. Add 12% and 12% to get 24% of all employees attend night school.


8 0
3 years ago
The cost of 10 yearbooks $250 what is the cost of one yearbook
Ierofanga [76]
$25 per yearbook

The cost is x and the amount is 10
So the equation is 10x=$250
Divide 250 by 10 and get 25
6 0
2 years ago
Read 2 more answers
Write a word problem using 9 And 10 as factors. Write an equation to solve your problem.
katovenus [111]
<span>First let’s create a word problem using the factors 9 and 10.
=> Maria bought 9 couple shirts and the price of each pairs of couple shirt is 10 dollar. Now, find the total amount that Maria spent for the 9 couple shirt that she bought.
Now, let’s show the solution to our given word problem
=> Number of pairs of couple shirt = 9
=> Amount of each pairs of couple shirt = 10 dollars
=> 9 x 10
=> 90
Thus Maria paid 90 dollars in total.</span><span>

</span>



3 0
3 years ago
What value of c makes the polynomial below a perfect square? x2 10x c
Elden [556K]
X^2 + 10x + c

Use the number in front of x, (10), to help you.

First, divide 10 by 2:
10/2 = 5

Second, square the answer, (5).
(x+5)(x+5) = 25

Answer: c=+25
5 0
2 years ago
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