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aleksley [76]
3 years ago
11

Pls I need help I’ll give you brainliest

Mathematics
1 answer:
UkoKoshka [18]3 years ago
4 0

Answer:

Step-by-step explanation:

4. 68x+111x+1=180.         x=1.            111(1)+1 = 112.           112 is the answer

5.       8x-3= 21.        x=3

6.          3x-3=x+7

              2x-3=7

                2x=10

                   x=5

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Draw to show regrouping. Write how many tens and ones in the sum. Write the sum. This has me so confused.
olya-2409 [2.1K]
I am not sure, but we're you going to put up a sum.
7 0
3 years ago
Fathi has \$1.10$1.10dollar sign, 1, point, 10 in his printing account. Each sheet of paper he uses reduces his printing account
Katena32 [7]

Answer:

$-4.90.

Step-by-step explanation:

Fathi has $1.10. Each sheet costs him $0.25. He wants to print 47 pages.

If he prints double sided, then he will use 47 / 2 = 23.5 sheets of paper. But he can't print a half-sheet, so he will use 24 sheets of paper.

Each sheet costs $0.25. 0.25 * 24 = 6. The printing will cost him $6.

Since he only has $1.10, his remaining balance will be 1.1 - 6 = -4.9. The balance on his printing account will be $-4.90.

Hope this helps!

4 0
3 years ago
I need these numbers in scientific notation, please! Thank you!
Shkiper50 [21]

\text{The scientific notation:}\\\\a\cdot10^k\ \text{where}\ 1\leq a

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4 0
3 years ago
The length of a rectangle is two more than two times its width. The perimeter of the rectang
sattari [20]

Answer:

a

Step-by-step explanation:

8 0
3 years ago
Ans: 720cm
UkoKoshka [18]

Answer:

663

Step-by-step explanation:

the total number of students can be determined using this equation :

(total ratio of Chinese and Indian students / total ratio of students) x n = 468

total ratio of Chinese and Indian students = 4 + 8 = 12

total ratio of students 4 + 8 + 5 = 17

N = TOTAL NUMBER OF STUDENTS

12/17) x n = 468

multiply both sides of the equation by 17/12

n = 663

3 0
3 years ago
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