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Bad White [126]
3 years ago
8

Simpligy the expression 7(x+7)-3(x+3)

Mathematics
1 answer:
Irina18 [472]3 years ago
6 0

We will use the distributive property, where a(b+c) = ab+ac and a(b-c) = ab-ac.

7(x+7)-3(x+3)

=7x+49-(3x+9)

=4x+40

Therefore, the simplified expression is 4x+40.

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En una camioneta se pueden transportar 28.5 kilogramos. ¿ Cuántas camionetas se necesitan para transportar 484.5 Kg?
r-ruslan [8.4K]

Answer:

The number of trucks required is 17.

Step-by-step explanation:

28.5 kilograms can be transported in a van. How many trucks are needed to transport 484.5 Kg?

For the transportation of 28.5 kg, one truck is required.

Total mass = 484.5 kg

The number of trucks required is

n = total mass/ mass of one

n=\frac{484.5}{28.5}\\\\n = 17

3 0
3 years ago
Whats 9*20(10+20) First Answer Gets Brainliest
Tcecarenko [31]

Answer:

Your answer would be 5400.

Step-by-step explanation:

You have to follow PEMDAS for this one. You will start within the parenthesis and add 10 and 20 together to get 30. You would then times that by 20 and get 600. Finally, you would mulitply that by 9 and get 5400 as your answer..

3 0
3 years ago
Can she get some help
Artemon [7]

Answer:

-55

Step-by-step explanation:

the sqeuence seems to be subtracting by 2 everytime.

so it will be -1,-3,-5,-7,-9,-11,-13,-15,-17,-19,-21,-23,-25,-27,-29..

the answer will be 27*-2(-54) -1(because we start at -1 , not 0)

5 0
3 years ago
Read 2 more answers
Of the following options, what could be a possible first step in solving the equation −7x − 5 = x + 3?
ANEK [815]
Your answer would be 

A. Adding 7x to both sides of the equation

And in doing so, you'd start your first step to having "like terms" on "like sides"
by having all "x's" on the right side of your equivalent sign "="
5 0
3 years ago
Read 2 more answers
Pls answer this and I will mark it as brainlisti
Anna11 [10]

Answer:$2175

Step-by-step explanation:

set up an equation

15x+675

15(100) +675= 2175

15 is the additional cost per person

675 is the renting fee for the building

100 is the number of people attending

Hope this helps

5 0
3 years ago
Read 2 more answers
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