3 years ago

Use the distributive property for 4*29=

Mathematics

1 answer:

statuscvo [17]3 years ago

8 0

(4*20)+(4*9)=80+36=116

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.Nisha bought a backpack that was on sale at 35% off for $63. How much was the original price of the backpack?

Vlad [161]

Answer:

$180

Step-by-step explanation:

100%=x

35%=$63

63 x 100=6300/35=$180

3 0

3 years ago

Read 2 more answers

During the spring car wash, the activities club washed 14 fewer cars than during the summer car wash. They washed a total of 96

Mashutka [201]

You can make an equation to solve this, but establishing knowns, unknowns, and relationships.

# in spring wash = x
# in summer = x + 14
Total Washes = 96

we know:
total = summer + spring

96 = (x) + (x + 14)
96 = 2x + 14
82 = 2x

"x" = 41

4 0

2 years ago

How many solutions does the system have? \begin{cases} 3x+y=8 \\\\ 2x+2y=8 \end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ 3x+y=8 2x+2y=8 Choose 1

ELEN [110]

Answer:

This system has one solution (x=2 and y=2), then the answer is A.

Step-by-step explanation:

The system of equations is:

$3x+y=8$ (1)

$2x+2y=8$ (2)

Let's multiply the first equation by 2 and subtract it to the second equation

$6x-2x+2y-2y=16-8$

$4x=8$

$x=2$

Using this value in (1) we can find y.

$3(2)+y=8$

$6+y=8$

$y=2$

Therefore, this system has one solution (x=2 and y=2), the answer is A.

I hope it helps you!

3 0

3 years ago

A book store is keeping track of the price of books according to the number of pages. Which scatterplot represents

fenix001 [56]

Anyway the answer is 400

8 0

2 years ago

Explain how do you know that 712 is greater than 1/3 but less than 2/3

Rudik [331]

Answer:

712 is bigger than 1/3 and 2/3.

Step-by-step explanation:

Because it is whole number, while 1/3 and 2/3 are fraction of whole number.

Did you mean 7/2?

5 0

3 years ago