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3 years ago

I need help with this pls

Mathematics

1 answer:

blagie [28]3 years ago

7 0

Answer:

8/23

Step-by-step explanation:

because you count up all the number and then put it into form 8 is on the top because thats the amount of red marbles.

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If AB is parallel to CD and the slope of CD is -5, what sis the slope of AB?

Lady bird [3.3K]

Answer:

The answer is D. -5

Step-by-step explanation:

Since AB is parallel to CD, their slopes are the same. Parallel actually means to have the same slope.

7 0

3 years ago

Read 2 more answers

Simplify 5w+8(-4-6w)

Galina-37 [17]

Answer:

-43w-32

Step-by-step explanation:

distribute 8 through the parentheses

5w-32-48w

collect like terms

5w-48w-32= -43w-32

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4 years ago

A rope is 72 feet long what is the length of the rope in yards

monitta

Answer:

The rope is 24 yards.

Step-by-step explanation:

1 yard = 3 feet

therefore

72 ft / 3 = 24

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4 years ago

The Topology Taxi Company charges 2.80 for the first fifth of a mile and 0.45 for each additional fifth of a mile. Find a linear

cestrela7 [59]

Answer:

F=2.2375+2.25m is a linear function which models the taxi fare F as a function of the number of miles driven, m

Step-by-step explanation:

a+0.25=m

a=m-0.25

a/0.20=d

(m-0.25)/0.20=d

F=2.80+0.45(m-0.25)/0 20

=2.80+2.25(m-0.25)

=2.80+2.25m-0.5625

=2.80-0.5625+2.25m

F=2.2375+2.25m

8 0

3 years ago

En una tienda de electrodomesticos , una nevera con un precio de 260€ fue rebajada un 15% ; al cabo de un mes volvieron a rebaja

Mamont248 [21]

Answer:

Part 1) The price after the second discount is 187.85€

Part 2) The percentage of total variation is 27.75%

Step-by-step explanation:

The question in English is

In an appliance store, a refrigerator with a price of 260€ was discounted by 15%; after one month it was discounted by another 15%. What is the price after the second discount? What is the percentage of total variation?

Part 1)

<em>Find out the price after the second discount</em>

we know that

$15\%=15/100=0.15$

A) The first discount is equal to

260€(0.15)=39€

The price after the first discount is equal to

260€-39€=221€

B) The second discount is equal to

221€(0.15)=33.15€

The price after the second discount is equal to

221€-33.15€=187.85€

Part 2) Find out the percentage of total variation

we know that

The original price of 260€ represent the 100%

by using proportion

Find out the percentage that represent (260€-187.85€)=72.15€

$\frac{260}{100}=\frac{72.15}{x}\\ \\x=72.15*100/260\\ \\x=27.75\%$

8 0

4 years ago