3 years ago

Hi, can someone help me I don't understand this? will give brainliest.

Mathematics

1 answer:

sergejj [24]3 years ago

5 0

I believe that it is positive?

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1.3b+7.8-3.2b Combine like terms pls

Marianna [84]

Answer: -1.9b + 7.8

Step-by-step explanation:

since there are only two like terms you need to combine 1.3b and -3.2b

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4 years ago

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Solve the system of equations. 3x + 4y = -36 y = 2x - 9 (-9, 0) (0, -9) {}

lbvjy [14]

Answer:

3x + 4y = -36

y = 2x - 9

3x + 4(2x - 9) = -36

3x + 8x - 36 = -36

11x - 36 = -36

11x = 0

x = 0

y = 2(0) - 9

y= 0-9

y = -9

(0, -9) is the answer

Step-by-step explanation:

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4 years ago

Which answer choice shows 4 + 0.3 + 0.09 written in standard form?A.43.9B.4.39C.0.439D.0.0439

Oliga [24]

Place values:

As each is in a different place value, when we add them neither will affect the other, meaning:

$4+0.3+0.09=4.39$

Answer: B 4.39

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1 year ago

If it takes Leaping Louie 5 minutes to jump 3 blocks, how long will it take for him to jump 15 blocks?

Svetach [21]

25 minutes
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Therefore,
5 minutes x 5 = 25 minutes

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3 years ago

Convert 475 milliliter to liters.

pogonyaev

0.475

1000 milliliters is equal to 1 liter

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3 years ago

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Hi, can someone help me I don't understand this? will give brainliest.​

Hi, can someone help me I don't understand this? will give brainliest.