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kolbaska11 [484]
3 years ago
13

Josh helps at the school fair for 3/8 of the day Sarai helps for 8/12 of the day write and solve a comparison question about the

amount of time they helped at the fair
Mathematics
1 answer:
Anna007 [38]3 years ago
6 0
This is not th same thutha happen to us
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-3(8n - 5) - 2n = 8n - 21
BigorU [14]

Answer:

Step-by-step explanation:

First you do the parentheses so the -3 x 8n= -24 and -3 x -5= 15

so it will look like this. -24n+15-2n=8n-21

Now combine like terms the -24n-2n.

-26n+15=8n-21 now subtract 8n now it will look like this

-34n+15=-21 now -15 from -21

-34n=-36

now if you want n by its self divide -34 and -36

7 0
3 years ago
In a class of 30 students, 6 have a brother and 12 have a sister. There are 14 students who do not have any siblings. What is th
NeTakaya

Answer:

32 siblings from the class theres a possibility that some students had more siblings and not everyone has one

Step-by-step explanation:

.

6 0
3 years ago
Judy will use 2 1/2 cups of flour for each cake she bakes judy has 10 cups of flour what is the maximum number of cakes judy can
Mariulka [41]

Answer:

4

Step-by-step explanation:

because 2 1/2 times 4=10

7 0
2 years ago
Which algebraic expression is equivalent to the expression below? 5(4x + 2) A. 20x + 10 B. 5x + 6 C. 4x + 10 D. 20x + 2
stiks02 [169]

We shall have to use distribution here.

The number outside the parenthesis gets distribute with the numbers inside.

This is called distributive property.

We know the distributive property is

a(b+c) = a × b + a ×c

Using this property for

5(4 x+2)

= 5× 4x + 5 × 2

Now 5 times 4x = 20x

5 times 2 = 10

So we get

5(4 x+2)  = 20 x + 10

Option A) is the right answer.


5 0
3 years ago
Read 2 more answers
3. Determine the values of x and y for the parallelograr<br> (3x + 15)°<br> (y +30)°<br> (3x – 15)°
nataly862011 [7]

Answer:

stupid

Step-by-step explanation:

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6 0
3 years ago
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