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blondinia [14]
2 years ago
10

What’s the answer to the question mark

Mathematics
1 answer:
melamori03 [73]2 years ago
6 0

The missing number is 20

<h3>How to determine the number</h3>

We can see that the values at the top must be made equal to that at the bottom

For the top, we have

30 + 11 = 41

For the bottom, we should have:

21 + x = 41

Now, let's solve for 'x' to determine the missing figure;

21 + x = 41

collect like terms

x = 41 - 21

x = 20

Thus, the missing number is 20

Learn more parallel lines here:

brainly.com/question/13999767

#SPJ1

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tatyana61 [14]

Answer:

X=3

Step-by-step explanation:

4 0
3 years ago
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Please answer number 11 I’ll give brainliest thank you!
WITCHER [35]

Answer:

x=28 cm

Step-by-step explanation:

Ratio of length of bigger sides to smaller sides=20:10=2:1.

\frac{x}{14}=\frac{2}{1}

x=28

4 0
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How do (3m) equal four?
svetlana [45]

3 miles is 4.8 kilometers which divided by 4 is 0.75 miles

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3 years ago
What number do we divide by -8 to get 6?
Marina86 [1]
-48

6* -8 = -48

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Bezzdna [24]

6. One variable only so pretty straightforward.

length-x+4

width-x

x+x+4=80

2x=76

x=38

x+4=42

answer: length 42cm and width 38cm

7. Another money problem!

n-# of nickels

q-# of quarters

n=3+q

0.05n+0.25q=2.85

Substitution works like a charm!

0.05(3+q)+0.25q=2.85

0.15+0.05q+0.25q=2.85

0.3q=2.7

q=9

n=3+q

n=3+9

n=12

answer: 9 nickels and 12 quarters

8. One variable situation again.

Ann's money-2b+9

Betty's money-b

b+2b+9=60

3b=51

b=17

2b+9=43

answer: Ann has $43 and Betty has $17.

9. # of red m&m's-x+1

# of blue m&m's-x

x+1+x=13

x=6

x+1=7

answer: 6 blue and 7 red m&m's

10. a-number of adult tickets

s-number of student tickets

a+s=785 ----> a=785-s

5a+2s=3280

5(785-s)+2s=3280

-3s=-645

s=215

a+s=785

a+215=785

a=570

answer: 215 children tickets and 570 adult tickets

3 0
3 years ago
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