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expeople1 [14]
3 years ago
14

How do you calculate problems like: 1 million is 70% of what number?

Mathematics
1 answer:
trasher [3.6K]3 years ago
3 0

Answer:

Hope it helps

Have a good day Ahead

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Sonya’s average so far is 84 for 3 math tests. What must she get on the fourth test to have an average of 88
ioda

Answer:

she will need to get a 100 on the fourth test

Step-by-step explanation:

(252+x)/4 = 88

252+x = 352

x = 100

7 0
3 years ago
Building a is 160160 feet shorter than building
Serjik [45]
I assume the heights are 160 ft and 1480 ft.

The two heights are unknown, so we will use variable h to help solve the problem.
The shorter building, building A, has height h.
Since building A is shorter by 160 ft, then building B is taller by 160 ft, so the height of building B is h + 160.

Now we add our two heights to find the total height.

h + h + 160 is the total height.
We can write it as 2h + 160

We are told the total height is 1480 ft, so we let 2h + 160 equal 1480, and we have an equation.

2h + 160 = 1480

Subtract 160 from both sides

2h = 1320

Divide both sides by 2

h = 660

h + 160 = 820

Building A measures 660 ft.
building B measures 820 ft.
7 0
3 years ago
How many times do you apply the distributive property in this example: 2(x + 5) – 3(2x + 7) ?
Brut [27]

Answer:

Hi there!

Your answer is two times.

Step-by-step explanation:

The distributive property is multiplying the coefficient in front of parentheses into the parentheses. You have two sets of parentheses both with a coefficient that needs to be distributed.

The first time you use it is on 2(x+5), distributing the 2.

The second time you use it is on the -3(2x+7), distributing the -3

Please let me know if you have questions :)

6 0
3 years ago
An adjustable ladder on the back of the firetruck is needed for firefighters to climb to very high buildings. The maximum angle
torisob [31]
Cos 70 = horizontal distance /
 100 horizontal distance = 100 cos 70  = 32.2feet
3 0
3 years ago
(7/6)3y+15=(49/36)4y
Doss [256]

Answer:

y=54/7

Step-by-step explanation:

8 0
2 years ago
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