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zavuch27 [327]
3 years ago
14

Combine like terms. What is a simpler form of the expression? -3(-4y+3)+7y

Mathematics
1 answer:
kupik [55]3 years ago
8 0

Answer:

19y - 9

Step-by-step explanation:

-3(-4y + 3) + 7y =

Distribute the -3.

= 12y - 9 + 7y

Combine like terms: 12y + 7y

= 19y - 9

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A shop has a piece of ribbon that is 25m long. They need to divide the ribbon into 8 equal pieces. How long will each piece of r
Vedmedyk [2.9K]

Answer:

Each piece will be 3.125m long.

Step-by-step explanation:

To find this, divide the amount of ribbon you have by the amount of pieces that you need.

25m/8pieces = 3.125m per piece

3 0
3 years ago
The lengths of the sides of a triangle are 3, 3, and the square root 3. Can the triangle be a right triangle?
Readme [11.4K]
First find the decimal equivalent of square root 3: SQRT(3) = 1.732 ( roughly)
 
If the base and height were each 3, then the hypotenuse would need to be:

3^2 + 3^2 = C^2
9 + 9 = C^2
18 = C^2
C = SQRT(18) = 4.24

This is larger than sqrt(3), so this cannot be a right triangle.


If one leg was 3 and the other leg was sqrt(3) then the hypotenuse would be:
3^2 + 1.73^2 = C^2
9 + 3 = C^2
12 = C^2
C = SQRT(12) = 3.46

This is larger than 3, this cannot be a right triangle.

The answer is b) no.





8 0
4 years ago
Read 2 more answers
Factorise-              6y-15y^2<br>     HELP
Citrus2011 [14]
We will take the common terms in the expressions-

Here in the expression, 3y is a common term.
So,

6y - 15y^{2}

3y(2 - 5y)

So, the answer is 3y(2 -5y)
7 0
3 years ago
Read 2 more answers
What is the area of 18 1/3 if the height of the window is 3 1/3
marin [14]
You would find the answer by dividing 3 1/3 from 18 1/3.
55/3 / 10/3
(55/3)(3/10)=55/10=5 1/2 
Answer: 5 1/2
3 0
3 years ago
A pancake recipe calls for 4 cups of flour and 3 cups of milk.Does a recipe calling for 2 cup of flour and 1.5 cups milk use the
kolbaska11 [484]
Yes, because if you divide 4 and 3 by 2, you get 2 and 1.5
5 0
3 years ago
Read 2 more answers
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