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GaryK [48]
2 years ago
14

Question

Mathematics
2 answers:
Rom4ik [11]2 years ago
7 0

Answer:

D

Step-by-step explanation:

The first number should be equal to or greater than one but less than 10

shutvik [7]2 years ago
6 0

Answer:

D

Step-by-step explanation:

this is not standard form

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The length of a rectangle is four time its width. If the permeter of the rectangle is 100yd, find i t s length and width.​
seropon [69]

Answer:

So let us call the shorter side, i.e the width: 'x'

So each length is four times the width = 4x

The perimeter consists of two widths and two lengths and equals 50 inches.

So:

x+x+4x+4x=50

solve for x:

10x = 50

to find x divide both sides by 10:

10x/10 = 50/10

x=5

So width equals 5 in and length is four times this i.e. 4x5=20

To check: 5+5+20+20=50 !!!!

Step-by-step explanation:

here is your anserw for your work please rate me the most brainlest  in let me know if it right

8 0
3 years ago
The table below shows the proportional relationship between the weight of dog food, in ounces, and the number of bags of dog foo
luda_lava [24]
K = y/x
k = 30/2
k = 15 <=== constant of proportionality
6 0
3 years ago
An investment of ​$29,000 was made by a business club. The investment was split into three parts and lasted for one year. The fi
lina2011 [118]

Answer:

The amounts of three parts of the investment are 18000, 6000, 5000 respectively.

Step-by-step explanation:

An investment of ​$29,000 was made by a business club.

Let the amount of first and second investment be x and y respectively. So, the amount of third investment is (29000-x-y).

The first part of the investment earned​ 8% interest, the second​ 6%, and the third​ 9%. Total interest from the investments was $ 2250.

0.08x+0.06y+0.09(29000-x-y)=2250

On simplification we get

-0.01x-0.03y+2610=2250

-0.01x-0.03y=2250-2610

-0.01x-0.03y=-360

0.01x+0.03y=360                  ..... (1)

The interest from the first investment was 4 times the interest from the second.

0.08x=4(0.06y)

0.08x=0.24y

x=3y                               .... (2)

From (1) and (2) we get

0.01(3y)+0.03y=360

0.03y+0.03y=360

0.06y=360

Divide both sides by 0.06.

y=6000

Put this value in equation (2).

x=3(6000)=18000

The amount of third investment is

29000-x-y=29000-18000-6000=5000

Therefore the amounts of three parts of the investment are 18000, 6000, 5000 respectively.

7 0
3 years ago
A store has 800 t-shirts. If 400 of the skirts are a size small, what percent of the t-shirts are small?
zalisa [80]

Answer:

50%

Step-by-step explanation:

400/800 is the fraction of the t-shirts that are size small

simplify to get 1/2

1/2 is 50%

5 0
3 years ago
Read 2 more answers
Kerry is collecting money for school. Her goal is to get $200. She has collected $15 each from 12 people so far. How much more m
8090 [49]

Answer:

20 dollars

Step-by-step explanation:

15 dollars times 12 people to see how much money she got/has right now is 180 dollars

then take 200-180 to get <u>20</u>

5 0
3 years ago
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