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professor190 [17]
3 years ago
8

Bert's age plus twice Ernie's age is 30. Three times Bert's age plus 8 times Ernie's age is 108. How old are Bert and Ernie?

Mathematics
1 answer:
Veronika [31]3 years ago
5 0

Answer:

Bert's age is 15 Ernie's age is 53

Step-by-step explanation:

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Please please help me please
vodomira [7]

Answer: 8) 42°, 65°, 115°     9) 1.5, 2

Step-by-step explanation:

8) Right off the bat I know that the measure adjacent to 157° is

   23°. With both numbers inside the triangle combined, we get

   65° meaning the last number is 115 because that'll add up to 180°

9) Considering the smaller triangle has half the length of the bigger triangle

   The length of the rest are half the size too.

    EF = 1.5

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5 0
2 years ago
3*x+36=96 i give crown if you help me out
pychu [463]

Answer: x = 20

Step-by-step explanation:

Hey there! If you have any questions feel free to let me know in the comments below.

Step 1: <u>Subtract 36 from both sides.</u>

3x = 96 - 36

Step 2: <u>Simplify 96 - 36  to  60.</u>

3x = 60

Step 3: <u>Divide both sides by 3.</u>

x = 60/3

Step 4: <u>Simplify 60/3 to 20.</u>

x = 20

8 0
2 years ago
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The number 424 is what percent of 530
postnew [5]
424/530=0,8
0,8*100%=80%
5 0
3 years ago
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Which store has the larger median value?
fomenos

Answer:

i tink it is store A

Step-by-step explanation:

because it has the large medium value.. hope this answer helpes you..

4 0
2 years ago
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A line containing the points (4, y) and (-3, 2) has a slope of 3/2.
Sonbull [250]

Answer:

y=14.5

Step-by-step explanation:

A slope of 3/2 means that for every unit it moves to the right, it will move 1.5 units up. The x of 4 is 7 more than the -3 of our other point. 7*1.5=12.5, and 12.5+2=14.5.

6 0
2 years ago
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