MATHEMATICS MIDDLE SCHOOL

Find the Number in Each CaseA) 15% of a number is 3
B) 160% of a number is 80
What are the number in Both A and B?

Answers

Answer 1
Answer: it seems like you have the answer already. but heres how its calculated.
(100)/(15) = (?)/(3) 
so the missing number is 20 **cross multiply 100 and 3 to get 300 then divide 15 into 300 to get 20**

(160)/(100) = (80)/(?) 
so the missing number is 50
 **cross multiply 100 and 80 to get 8000 then divide 160 into 8000 to get 50**

 

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What is the measurement of N?
A) 138°
B) 139°
C) 140°
D) 141°

Answers

We have an 180 degree line, so lets solve. 

180 - 39 = 141
 n = 141 degrees

Answer:  N = 141° 
This angle is called, a straight angle. This angle measures 180°. To find the answer to this we will do the following:-

180° - 39° = N
180° - 39° = 141
Angle N = 141.

CHECK OUR WORK:-

141 + 39 = 180
We were RIGHT!!!

So, the measurement of N is D)141°.

Hope I helped ya!! XD

The graph shows a hot air balloon’s height above sea level, in feet, over time, in minutes.How much time did the hot air balloon spend ascending?
_____MIN.

Answers


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Kareem saves his coins in a jar. 30% of the coins are pennies. if there are 24 pennies in the jar, how many coins does Kareem have?

Answers

30%=30/100=3/10

3/10 of all=pennies=24
divide by 3
1/10 of all=8
times 10
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Tyrone has $8.06.How many bagels can he buy if each bagel cost$0.65?​

Answers

Answer:

12

Step-by-step explanation:

so $8.06 / .65 = 12.4 but you cannot buy .4 of a bagel so the answer would just be 12

Answer:12

Step-by-step explanation:Multiply .65 to 12 and get $7.80 which doesn’t go over $8.06

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Answers

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1.05, or 21/20

More detailed:
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