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2 years ago

Can somebody help with this

Mathematics

2 answers:

sleet_krkn [62]2 years ago

7 0

Answer:

c) 8

Step-by-step explanation:

Hope it helps. Pls mark as brainlest

guapka [62]2 years ago

4 0

Answer:

C)8

plz mark as brainliest

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Evaluate 5r-8.35s when r=12 and s=4

balu736 [363]

Answer: 26.6

Step-by-step explanation:

r = 12 5(12) = 60 | s = 4 8.35(4) = 33.4 | Now subtract both total number = 33.4 - 60 = 26.6

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2 years ago

Volume with cubes with fraction lengths

Greeley [361]

Answer:

You could fit 48 cubes with side lengths of 1/3 cm inside a rectangular prism with dimensions of 1 cm X 2 2/3 cm X 2/3 cm.

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3 years ago

7th Grade Math<br> Please help<br> -7 = 1/3 a<br> Find the value of a

julsineya [31]

Answer:

$\huge\boxed{a=-21}$

Step-by-step explanation:

$-7=\dfrac{1}{3}a\to\dfrac{1}{3}a=-7\qquad|\text{multiply both sides by 3}\\\\3\!\!\!\!\diagup\cdot\dfrac{1}{3\!\!\!\!\diagup}a=(-7)(3)\\\\a=-21$

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2 years ago

At a fast food burrito restaurant, customers ask servers to add particular ingredients to their burrito. One popular ingredient

Gnesinka [82]

25 ounces of guacamole are still expected to be available from batch.

Step-by-step explanation:

Given,

Quantity of guacamole in one serving = 2.2 ounces

Quantity of guacamole in one batch = 80 ounces

Quantity of guacamole in 25 servings = 2.2*25 = 55 ounces

Guacamole left = Quantity in batch - Quantity of 25 servings

Guacamole left = $80-55 = 25\ ounces\\$

25 ounces of guacamole are still expected to be available from batch.

Keywords: multiplication, subtraction

Learn more about subtraction at:

#LearnwithBrainly

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2 years ago

A passenger train and a freight train leave San Jose at 3PM, traveling in the same direction. The passenger train is going three

Liono4ka [1.6K]

Let's say that the speed of the freight train is $x$ and the one of the passenger train is $3x$ .

$x$ MPH means every hour the freight train covers $x$ miles., which means in 3h it will have covered 3 times as much: $3x$ mi.

Following the same logic, $3x$ MPH means every hour the passenger train covers $3x$ miles, meaning after 3h it will have covered 3 times as much as well: $9x$ mi.

Now, having expressed those distances and speeds algebraically, we find the difference between the two distances covered after 3h, knowing it will be equal to 240:

$9x-3x=6x\\6x=240\\x=240/6\\x=40$

Knowing this, we can surely affirm that the freight train is travelling at 40MPH and the passenger train is travelling three times as fast, 120MPH.

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3 years ago