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Mashutka [201]
2 years ago
14

1/2(3/4n+ 9) and 2(12 + 8x) -3(4x -9) i need help with these two

Mathematics
2 answers:
dedylja [7]2 years ago
7 0
1/2(3/4n+9)
4 7/8n

2(12+8x)-3(4x-9)
24+16x-12x-12
-12+4x
Ghella [55]2 years ago
5 0
I dont know if this is right but the answer to 2(12+8x)-3(4x-9) might be 4x+51?
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CAN ANYBODY HELP ME WITH THIS? btw not really yelling
Alexeev081 [22]
The area of the scale drawing will be:
600 square feet.
Step-by-step explanation:
The actual length of a wall in the room is 46 feet and the actual width of the room is 69 feet.
It is given that:
The scale factor of a room for a scale drawing is 2.3.
The length of the room according to the scale drawing will be:
46÷2.3=20 feet
and the width of the room according to scale drawing will be:
69÷2.3=30 feet
We know that the wall is in the shape of a rectangle.
This means that the area of scale drawing will be:
Length×Width
= 20×30
= 600 square feet.
7 0
2 years ago
In a school egg drop challenge 136 of the eggs broke out of 200 total what percent of eggs survived the drop ?
dusya [7]

To make this equation easier, we can just divide the data by 2, so that the exact number of eggs that survived, is the percentage that survived.

Explanation:

200 = 200    Total Eggs

136  = 136   Eggs That Broke

So, the ratio of eggs that broke to total eggs is:

136 / 200

So, subtract the number of eggs that broke to the total eggs, to find the amount that survived.

200 - 136 = 64

So now we know that, 64 eggs of 200 survived.

Which means, that 32% off the eggs had survived.

4 0
2 years ago
Read 2 more answers
How do I prove this?
Vadim26 [7]
Incorrect info please upload a correct photo of the problem
6 0
2 years ago
85.
Zanzabum

Answer:

A. you need 2 1/2 ounces

B. you need 73,9 milliliters

Step-by-step explanation:

A

We have the ratio 1/2 ounces per gallon

And the mop bucket holds 5 gallons

Then we need to multiply 1/2*5

we got 2 1/2 ounces of desifectant per 5 gallons

B

1 ounces equal 29,57 milliliters

if we have 2 1/2 ounces then we multiply 2,5 *29,57

the answer is 73,9 milliliters

4 0
2 years ago
Evaluate this expression by distributing the multiplication over division: 5 x (7+4)
Maru [420]

Answer:

I think you can write like this:

5 x (5+2+4)

OR

5 x 11

Step-by-step explanation:

My own knowladge

Hope it helps

Put a thanks

Thank you

6 0
2 years ago
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