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vladimir2022 [97]
3 years ago
9

Simplify the expression below -3(10x + 4y) + 6(6x − 2y)

Mathematics
2 answers:
11111nata11111 [884]3 years ago
7 0

For this case we must simplify the following expression:

-3 (10x + 4y) +6 (6x-2y)

We apply distributive property to the terms of the parenthesis, taking into account that:

- * - = \\- * + = -

So, we have:

-30x-12y + 36x-12y =

We add similar terms:

-30x-12y + 36x-12y =

Equal signs are added and the same sign is placed, while different signs are subtracted and the sign of the major is placed:

6x-24y

ANswer:

6x-24y

iren [92.7K]3 years ago
3 0

Answer:

6x - 24y

Explanation:

Expand -3(10x + 4y): -30x - 12y

= \bold{-30x-12y+6\left(6x-2y\right)}

Simplify \bold{-30x-12y+6\left(6x-2y\right): \ 6x-24y}

= 6x - 24y

Mordancy.

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Step-by-step explanation:

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5 0
2 years ago
The tv costs $850 you pay 20% , how much is left to pay
kogti [31]
The answer would be 680 because 20% of 850 is 170 so 850-170=680.
3 0
3 years ago
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Jason leaves Detroit at 2:00 PM and drives at a constant speed west along I-96. He passes Ann Arbor, 40 mi from Detroit, at 2:50
Vladimir [108]

Answer:

d = 48t will represent the distance 'd' traveled in 't' hours.

Step-by-step explanation:

Jason leaves Detroit at 2:00 PM and passes through Ann Arbor at 2:50 PM which is 40 mi distant from Detroit.

Speed during this journey was constant.

Jason traveled 40 mi in 50 minutes or \frac{5}{6} hours from Detroit to Ann Arbor.

By the formula,

Speed = \frac{\text{Distance traveled }}{\text{Time taken to travel this distance}}

Speed = \frac{40}{\frac{5}{6}}

           = 48 mi per hour

If he travels 'd' miles in 't' hours then by the formula of speed,

48 = \frac{d}{t}

d = 48t

7 0
3 years ago
At the start of the year, the balance in a married couple’s account is $ 1 , 750 . They decide to each deposit $ 35 into the acc
Dimas [21]

Answer:

f(n) = 1750 + 70n

Step-by-step explanation:

Since, each of them are depositing 35$ each month, they are adding 35x2 = 70$ each month.

So, in n months, they will be adding 70n $ to their account.

Initially, they had 1,750$ in their account. After n months, they should have 1750+70n $ in their account.

So, the function that represents this is, f(n) = 1750 +70n

7 0
2 years ago
What’s the right answer?
Nataly [62]
I will give you the formula and teach you how to solve this. Let’s start with finding the area of both the right triangles.
The formula is, base x height / 2 = area
Triangle 1 - 2x8/2 = 16/2 = 8
Triangle 2 - 2x8/2 = 16/2 = 8
Rectangle - 8x3 = 24
Add them up: 24 + 8 + 8 = 40 square feet
I hope this wasn’t to confusing
5 0
2 years ago
Read 2 more answers
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