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irina [24]
2 years ago
8

Geometry please help

Mathematics
1 answer:
Gennadij [26K]2 years ago
6 0

Answer: I think the answer is 19

Step-by-step explanation:

pls mark brainliest

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Question 10
Agata [3.3K]

Answer:

A = 21

J = 2A = 42

C= A+5 =26



Step-by-step explanation:

C= christines text messages

J = jims messages

A = ali messages

Jim sent  2 times as many messages as Ali.

J = 2A

Ali sent  5 fewer messages than Christine.

A =C-5

A+5 =C

Christine, Jim, and Ali sent a total of 89 text messages

C+J+A = 89

substitute

C +5= A

A+5 +J+A = 89

combine like terms

2A +5+J = 89

now substitute J = 2A

2A +5+2A = 89

combine like terms

4A +5 = 89

subtract 5 to each side

4A +5-5 = 89-5

4A = 84

divide by 4

A = 21

J = 2A = 42

C= A+5 =26


5 0
3 years ago
What is (1/25)^x-2/5-10=115
dalvyx [7]
1.50099254



hope this helps
6 0
2 years ago
Tim installs 50 square feet of his floor in 45 minutes. At this rate how long does it take him to install 495 square feet.
Nina [5.8K]
50 sqft = 45 min
495 sqft = x min

495/50 is 9.9. So we know we multiplied 50 by 9.9 to change it to 495.
Do the same on the other side. 45 x 9.9 = 445.5.

It will take him 445.5 minutes, or 7.425 hours
7 0
2 years ago
Shanika makes 2800 milliliter of chicken soup for dinner party. She needs 3.5 liters. How many more milliliter a does shaninka n
Aleks04 [339]
700 mL; 7/10 of a liter
4 0
3 years ago
Estimate by rounding the first factor to the nearest thousand. 1,912 x 8
Vika [28.1K]

Answer:

15,000

Step-by-step explanation:

1912* 8 =15,296

To the nearest thousand = 15,000

5 0
2 years ago
Read 2 more answers
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