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Serjik [45]
3 years ago
14

HELP PLEASE!!!!

Mathematics
2 answers:
bearhunter [10]3 years ago
8 0
Wouldnt it be 10 since its similar to def?
Brrunno [24]3 years ago
7 0
<span>Triangle ABC is similar to triangle DEF

AB/BC = DE/EF
x/21 = 10/14
14x = 21*10
14x = 210
x = 210/14
x = 15

answer: length of line AB = 15cm</span>
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Which expressions are equal to 7(53)? Select all that apply.
skad [1K]

Answer:

7(50 + 3)

7(50) + 7(3)

371

Step-by-step explanation:

7(53)

50 can be written as (50 + 3)

∴7(53) = 7(50 + 3)

Proceeding with the above expression we get;

7(53) = 7(50 + 3)

         = 7(50) + 7(3)

Completing the above expression we get;      

  7(53) = 7(50) + 7(3)

            = 350 + 21

            = 371        

3 0
3 years ago
Select the system of linear equations that has the solution (-6, 0).
xxTIMURxx [149]

Answer:

B.

• x+2y=-6

• x-2y=-6

Step-by-step explanation:

Try the solution in the equations and choose the set of equations that is true.

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A. -6+0 ≠ 0 . . . not this system

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B. -6 +2·0 = -6 . . . true

-6 -2·0 = -6 . . . true . . . . . this system has solution (-6, 0)

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C. -6 -6·0 ≠ 1 . . . not this system

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D. 4(-6)+3·0 ≠ -18 . . . not this system

3 0
3 years ago
An aquarium is 30 inches long, 15 inches high and 12 inches wide. What is the volume of the aquarium?
quester [9]
Formula for volume L x W x H
We got them all.
So, 30 x 15 = 450.
450 x 12 = 5400

The aquarium is 5400^2 inches
3 0
4 years ago
Read 2 more answers
Choose each of the following that ARE a function
telo118 [61]
Ik that A and F are for sure but I think D maybe one as well.
7 0
3 years ago
It costs $20.50 to enter an amusement park and $ 0.25 to ride a ride. You have $21.50. Write an equation that represents the num
Helga [31]

Answer:

r = 4

Step-by-step explanation:

First we have to subtract 21.50 from 20.50 because that is how much money it takes to get inside the amusement park.

21.50 - 20.50 = 1

Right now you have only 1 dollar left. now we have to divide 100 by 25 to see how many times you can ride.

100/ 25 = 4

You can ride 4 times

6 0
3 years ago
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