3 years ago

What sentence represents the number of points in the problem below?

Mathematics

1 answer:

Paul [167]3 years ago

3 0

Answer:

The number of multiple choice plus the number of short answers is 25

Step-by-step explanation:

2x+4y=80

x+y=25

y=-x+25

2x+4(-x+25)

2x-4x+100

-2x+100=80

-2x=-20

x=10

y=15

You might be interested in

Alicia bikes 25% of a 100-mi trip on the first day. she bikes of the remaining distance on the second day. on the third day, she

DochEvi [55]

First day: 25% × 100 = 25 ( miles)
Second day : the remaining distance is 100 - 25 = 75 ( milesl
Third day: 40% × 75 = 30
25 + 75 + 30 = 130 (miles)

5 0

3 years ago

Combine like terms and simplify 4r - 6 - 2r + 5

murzikaleks [220]

C. 10r-3

Because 2r+5=7, the minus 6 and 7 which gives you 1 then minus 4 and 1 witch is 3 then you do 10r-3 and it will get you to 2r+5=7 again. I hope this helped!

4 0

3 years ago

Please only responded if you can help

MAVERICK [17]

Answer:

for the first picture:

1. 1

2. 0.8

3. 0.4

for the second picture:

2,256

srry if i needed to show the steps

4 0

3 years ago

Read 2 more answers

Sunday by 11:59pm

beks73 [17]

Answer:

The amount of markup is 88 dollars.

Step-by-step explanation:

Given that the whole sale price of bicycle is: $400

$P = \$400$

Mark up is the profit that the seller of the product makes after selling the product more in price more than its cost or buying price.

Given that mark up percentage is 22%

It can be written mathematically as:

$Mark\ up = 22\%\ of\ Price\\Mark\ up = 0.22 * P\\Mark\ up = 0.22 * 400\\= \$88$

Hence,

The amount of markup is 88 dollars.

7 0

3 years ago

Write and simplify an expression for the volume of a rectangular prism with length ℓ m, width 5 m, and height 6.5 m. What is the

Dominik [7]

Step-by-step explanation:

V= 32.5ℓ (m^3)

when ℓ= 8.4 m , V= 273 m^2

4 0

2 years ago