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slavikrds [6]
3 years ago
14

If the base ten blocks shown are to be divided into 13 equal groups. What should be done

Mathematics
1 answer:
In-s [12.5K]3 years ago
8 0

Answer:

is this the right question please??

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3x+8-X=57-4<br> Is 7 a solution to the question
Diano4ka-milaya [45]

Answer:

7 is not a solution for x.

Step-by-step explanation:

To see if 7 is a solution for x, we will simply plug in the value for x and see if the left hand side is equal to the right hand side.

3x + 8 - x = 57 - 4

3(7) + 8 - (7) ?= 57 - 4

21 + 8 - 7 ?= 53

29 - 7 ?= 53

22 ?= 53  (( NO ))

Since 22 does not equal 53, 7 is not a solution for x.

Let's find the solution for x:

3x + 8 - x = 57 - 4

2x + 8 = 53

2x = 45

x = 22.5

Let's validate this solution for x:

3x + 8 - (x) = 57 - 4

3(22.5) + 8 - (22.5) ?= 57 - 4

67.5 + 8 - 22.5 ?= 53

45 + 8 ?= 53

53 == 53  (( YES ))

Since 53 is indeed equal to 53, then 22.5 is a solution for x.

Cheers.

8 0
3 years ago
Read 2 more answers
An artist can paint 4 paintings in 2 hours. What is this artists unit rate?
koban [17]
The unit rate is 2 paintings per hour.
4 0
3 years ago
Plzzzzzzzzhellpppppppmeeee please! We will be besties if ur2 help me!
lisov135 [29]

Answer:

d. y=-1; x=7

Step-by-step explanation:

8 0
2 years ago
How would I start to solve number 15? Would I use distributive property?
natita [175]
-5-x=2x-(4x+6)

Using the distributive property is the correct first step. (4x+6) is being multiplied by -1, so distributing gives

-5-x=2x+(-4x-6)
-5-x=2x+((-4x)+(-6))

Now, using the associative property of addition, you get

-5-x=(2x+(-4x))+(-6)
-5-x=(2x-4x)-6

Simplify the right hand side:

-5-x=-2x-6

Add 5 and 2x to both sides.

(2x+5)-5-x=(2x+5)-2x-6

On the left side, use the associative property. On the right, commutativity and associativity:

2x+(5-5)-x=5+(2x-2x)-6

Simplify.

2x-x=-1
x=-1
8 0
3 years ago
Evaluate O! + 1!.<br> a. 1<br> b. 2
ss7ja [257]

<u>Answer</u><u>:</u>

0! = 1

1! = 1

0! + 1! = 1 + 1 = 2

4 0
3 years ago
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