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Rashid [163]
2 years ago
7

Complete the mapping of the vertices of ΔDEF.

Mathematics
2 answers:
Pepsi [2]2 years ago
6 0

Answer:

D  I think

Step-by-step explanation:

GH=5  5; <H = 90  

bekas [8.4K]2 years ago
3 0

Answer:

Here are the answers

Step-by-step explanation:

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Find the percent of discount for $70 discounted to $63. Round to the nearest percent.
aksik [14]
70 x P = 63
P=63/70 = 0.9
Since P is 1-the discount
1-discount= 0.9
discount is 0.1, or 10 %
5 0
3 years ago
it takes 1/2 of a gallon of paint 1/3 of the wall. How Many gallons of paint will it take to paint the entire wall. helppp me as
Sidana [21]

1/3 of the wall takes 1/2 gallon paint.

3(1/3 wall) takes 3(1/2 paint)

1 wall takes 3/2 paint

Answer: 1 \frac{1}{2} gallons paint

7 0
3 years ago
Solve in systems by substitution y=x+2 and 3x+3y=6
Vesnalui [34]

Answer:

x = 0, y = 2

Step-by-step explanation:

Substitute the first equation into the second equation so 3x + 3(x+2) = 6. Simplify this to get x = 0. Plug x = 0 back into the first equation to get y = 2.

5 0
3 years ago
Read 2 more answers
15 + 6f = 7f show steps please as soon as possible!
erica [24]

Answer:

f = 15

Step-by-step explanation:

15 + 6f = 7f

subtract 6f from each side

15= 1f

15=f

3 0
3 years ago
Read 2 more answers
PLZZZ HELP ASAP!!!!!!!
patriot [66]

Answer:

2. y = x + 16; 0.21y = 0.27x + 2.88

Step-by-step explanation:

You have two conditions:

  • Volume of 18 % + volume of 27 % = volume of 21 %
  • Mass of acid in 18 % + mass of acid in 27% = mass of acid in 21 %

For the first condition,

16 + x = y     Transpose

(1)    y = x + 16

=====

For the second condition

  V₁c₁    +  V₂c₂  =  V₃c₃

16×0.18 + 0.27x = 0.21y

   2.88 + 0.27x = 0.21y               Transpose

(2)           0.21y = 0.27x + 2.88

The system of equations is y = x + 16; 0.21y = 0.27x + 2.88

4 0
3 years ago
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