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elena55 [62]
3 years ago
12

Can someone show me the steps thanks

Mathematics
1 answer:
brilliants [131]3 years ago
6 0
If the denominators (bottom numbers) are the same number, you just add/subtract the numerators left to right
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Evaluate the expression for the given value of the variable <br> 3a+4b; a= -6, b=-5
Dimas [21]
3 x -6 + 4 x -5
= -18+ -20
= -38
5 0
3 years ago
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I need help with the answer.
ivolga24 [154]

Answer:

23

Step-by-step explanation:

5x6-c

5x6=30

30-c

c=7

30-7=23

5 0
3 years ago
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How many dots are in the 4th step?
Mkey [24]

Answer:

32

Step-by-step explanation:

if you look at the diagram the dot goes up 1 each. It also makes another row which makes 4 rows total. Since 3 contains 7 dots and 3 rows we would do 8 in 4 rows. 8 x 4 is 32.

Hope this helped!

7 0
2 years ago
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Is 3 1/2 cups more or less than 1 liter? Note: 1 cup is about 236.6 milliliters
Evgesh-ka [11]
Less by far because 3.5 cups would be less than half

6 0
3 years ago
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Samuel made a list of his test scores: 88, 100, 92, 80, 85, 94, and 90. What is the lowest test score he can get on his next tes
yulyashka [42]

Answer:

he needs to get a 91 to have a mean score of 90

Step-by-step explanation:

add up all the known scores to get 629

let 's' = lowest test score

(629 + s) ÷ 8 = 90   [we divide by 8 because there are 7 known and 1 unknown score)

cross-multiply to get:

629 + s = 720

s = 720-629

s = 91

4 0
3 years ago
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