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LuckyWell [14K]
2 years ago
13

A number is 2/3 of another number. If the sum of the two numbers is 30, find the smaller number

Mathematics
2 answers:
pogonyaev2 years ago
6 0

12

the other number is 18

本题已由中国数学会官方解答(现有会员:3人)

Tema [17]2 years ago
5 0

Answer:

4

Step-by-step explanation:

4 is 2/3 of 6

if we multiply 6 by 4 = 24

24 + 6 =30

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ΔABC and ΔXYZ are similar triangles. The lengths of two sides of each triangle are shown. Find the lengths of the third side of
Norma-Jean [14]

Answer:

b=9

x=5.5

Step-by-step explanation:

find the common ration

AB is 6, and XY is 3 (they are the corresponding sides)

ratio is 2 to 1 (6/3=2/1)

AC corresponds with YZ

XY is 4.5 so b is 4.5*2=9

ZY corresponds with CB

CB is 11, since XYZ is the smaller divide by 2 instead of multiplying by 2

4 0
2 years ago
Piper works at a camera store. He is paid an hourly rate 16% commission on everything he sells. One week, he is paid $365 for wo
liraira [26]
P=rt+0.16s  

365=20r+0.16(1500)

365=20r+240

125=20r

r=6.25

So Piper makes $6.25 an hour.
3 0
2 years ago
Does this graph below represent a function? (Yes or no)
Whitepunk [10]

Answer:yes

Step-by-step explanation: it represents a function

4 0
2 years ago
Which expreion are equivalent to
Makovka662 [10]

The expression equivalent to the expression -90 - 60w is -30(3 + 2w),  (-9 - 6w)10 and  -20(4.5 + 3w)

We need to find the expressions that are equivalent to given expression

We solve the expression and check,

A) -30(3 + 2w)

-90 - 60w

Yes it is equivalent.

B) (-9 - 6w)10

-90 - 60w

Yes it is equivalent.

C) -3(30 - 20w)

-90 + 60w

No it is not equivalent.

D)(6 + 4w)15

90 + 60w

No it is not equivalent.

E) -20(4.5 + 3w)

-90 - 60w

Yes it is equivalent.

Therefore, The expression equivalent to the expression -90 - 60w is -30(3 + 2w),  (-9 - 6w)10 and  -20(4.5 + 3w)

To learn more about multiplication refer here

brainly.com/question/10873737

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8 0
1 year ago
The length of a parking lot is 7 yards more than the width.If the area of the parking lot is 98 square yards,find the dimensions
USPshnik [31]
The parking lot is 14 yards long by 7 yards wide.

A = W x L       The formula is ....

L = W + 7        The problem tells us that ...

A = W (W + 7)
A = w^2 + 7w
98 = w^2 + 7x
... continue from there
 
7 0
2 years ago
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