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inessss [21]
3 years ago
7

20% of all the children in a class are left handed. 4 children are left handed. How many children are there in the class all tog

ether?
Mathematics
1 answer:
Katarina [22]3 years ago
7 0
There are 20 students all together.
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The ratio of destroyers to battleships in the navy is 10:40.What fraction of the total number of boats is the number of destroye
Readme [11.4K]

Answer:

10:40 = 10/40 = 1/4 of the boats are destroyers

Step-by-step explanation:

I hope this helps! Have a nice day!

5 0
3 years ago
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WILL GIVE BRAINLIEST!!
My name is Ann [436]

Answer:

1. x = 1 over 2 or you can simplify by writing x = 0.5

2.x = -1 over 3 or x= -0.3

3.x = -17

4.x = 9

5.x = 7

6.-4 over 9 or x = -0.4

7.x = 1 over 10 or x = 0.1

8.x = 1 over 4 or x = 0.25

9.x = -1

10.x = 13

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6 0
3 years ago
Solve the multiplication problem.<br> 6.7 x (-2.3)<br> Round to the hundreth.
dalvyx [7]

Answer:

-15.41

Step-by-step explanation:

6.7 * (-2.3) =

Lets break it into parts

6.7 * .3 = 2.01

6.7 * 2 = 13.4

Add them together

13.4+ 2.01

15.41

A positive times a negative is a negative

-15.41

The answer only has digits to the hundredths place, so no rounding is required.

8 0
3 years ago
(3x+1) ^1/3=4. Pls show me the steps to do it.
Ymorist [56]

Answer:

x = 21

Step-by-step explanation:

(3x+1) ^1/3=4 means that the 1/3 is an exponent that can be rewritten as a cube root.

You can bring the cube root to the other side of the equation.

1. I chose to bring it to the other side of the equation, making it a cube.

(3x+1) ^1/3 = 4

(3x+1) = 4^3

(3x+1) = 4 * 4 * 4

(3x+1) - 1 = 64 - 1

3x/3 = 63/3

x = 21

5 0
3 years ago
A grocery sells 14 bottles of apple juice and 21 bottles of orange juice. What is the ratio of orange juice to apple juice?
Lena [83]

Answer:

It's c because they can bough be divided by 7 then you get the answer in simpler form

8 0
3 years ago
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