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Sidana [21]
2 years ago
9

Find the missing side.

Mathematics
1 answer:
Alona [7]2 years ago
3 0

Answer:

9

Step-by-step explanation:

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© Sammy charges $21.75 for 3
abruzzese [7]

Answer:

Sammy charges less by $3.75

Step-by-step explanation:

givens

-Sammy: 21.75 for 3 hrs

-y=8x for Claire

-5 hours, and who charges less?

21.75/3

$7.25/hr

y=8(5)

y=$40

y=7.25(5)

y=$36.25

40-36.25

$3.75

5 0
2 years ago
Read 2 more answers
There are 12 boys and 16 girls in a classroom. which represents the simplified ratio of girls to students in the classroom?
Papessa [141]
The unsimplified version is 12:16
you have to find the highest common factor in them
in this case it would be 4
divide both numbers by 4 
3:4

hope this helps you
3 0
2 years ago
Read 2 more answers
The combined ages of a dog and his owner are 96 years in total. The owner is 3 times older than his dog. How old is the owner?
nikitadnepr [17]

Answer:

72 yrs old.

Step-by-step explanation:

The combined age

D+O=96

The owner is 3 times older than dog

O=3D

D+3D=96

4D = 96

D= 24

Now substitute the value of D in O=3D

O=3.24= 72

The owner is 72 years old.

5 0
2 years ago
Diego's sister is twice his age minus 9 years. She is also as old as half the sum of the ages of Diego and both of his 12-year-o
slava [35]

Answer:

Diego is 14 years old.

Sister is 19

Step-by-step explanation:

x = Diego's age

<u>x</u><u> </u><u>+</u><u> </u><u>2</u><u>4</u>

2x-9 = 2

First to get rid of the fraction we multiply each side by 2

2(2x-9) = 2((x+24)/2)

4x-18 = x+24

The we isolate x

4x-18 = x+24

<u>-x+18 -x+18</u>

<u>3x</u> = <u>42</u> Now we divide each side 3

3 3

x = 14

So Diego is 14

Now we can solve for his sister. We can use one of the two equations from earlier to do this.

Plug 14 in for x and then solve for his sister

2(14)-9

28-9

19

His sister is 19

5 0
2 years ago
Read 2 more answers
"Nathan takes 42 minutes to thread a distance of 4.5 miles on a threadmill. Determine the average distance covered in one minute
Viefleur [7K]

Solution:

we are given that

Nathan takes 42 minutes to thread a distance of 4.5 miles on a threadmill.

we have been asked to find the average distance covered in one minute.

Using the  concept of unity we can write

Since Nathan takes 42 minutes to cover a distance of 4.5 miles.

So in 1 minute Nathan will cover a distance of =\frac{4.5}{42} =1.07142miles

Hence avearge distance covered in one minute is 1.1 miles.

5 0
2 years ago
Read 2 more answers
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