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motikmotik
2 years ago
15

Which of the following expressions are equivalent to 20t5⋅2−4t?

Mathematics
1 answer:
avanturin [10]2 years ago
8 0

Answer:mark brain list answers

mark

get 3 point

freee

Step-by-step explanation:

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What are the steps for etc?<br> x - 14.6 = 8.02
Crank

Answer:first add 14.6 to both side of the equation and that will give you what is x equal to

Step-by-step explanation:am just smart

5 0
3 years ago
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Heather can complete two problems in ten minutes, and when she started she had three problems done. Joel can complete three prob
Hunter-Best [27]
If Heather can do 2 in 10 minutes, then that means that she can do 12 in 1 hour. If Joel can do 3 in 15 minutes, then it means that he can do 12 in 1 hour. Add the number of problems they can do total and that will go between 30 and 50. It is just "less than", not "less than or equal to" because you want to know when the total number goes between the numbers.
Therefore, the correct answer must be <span>30 < 24x + 5 < 50.</span>
3 0
3 years ago
What is the area of this composite figure?
Mkey [24]

We have two congruent trapezoids.

The formula of an area of a trapezoid:

A=\dfrac{base_1+base_2}{2}\cdot\ height

We have:

base_1=210\ mm\\\\base_2=150\ mm\\\\height=55\ mm

Substitute:

A=\dfrac{210+150}{2}\cdot55=\dfrac{360}{2}\cdot55=180\cdot55=9,900\ mm^2

Answer:

2A=2\cdot9,900\ mm^2=19,800\ mm^2

6 0
3 years ago
What is 7 2/6 plus 8 5/6
yulyashka [42]
7  2/6 + 8  5/6
= (7 x 6 + 2)/6 + (8 x 6 + 5)/6
= (42 + 2)/6 + (48 + 5)/6
= 44/6 + 53/6
= (44 + 53)/6
= 97/6
= 16  1/6
3 0
3 years ago
Read 2 more answers
Which equation has x = -2 as the solution?
Vera_Pavlovna [14]
The answer is 2x + 8 = 4
8 0
3 years ago
Read 2 more answers
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