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liraira [26]
2 years ago
15

Pleaseeee help me with this anyone

Mathematics
1 answer:
Ede4ka [16]2 years ago
3 0

Answer:

scale factor = \frac{14}{5}

Step-by-step explanation:

the scale factor is the ratio of corresponding sides , image B to image A

scale factor = \frac{7}{2.5} = \frac{7(2)}{2.5(2)} = \frac{14}{5}

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Simplify each answer into a fraction, Please show work as well!
scoray [572]

Answer: 1) 8/15 2) 2 4/9 3) -13/45

Step-by-step explanation:

1/5 + 1/3 = 6/30 + 10/30 = 16/30 = 8/15

2 1/9 + 1/3 = 19/9 + 3/9 = 22/9 = 2 4/9

1/9 - 2/5 = 5/45 - 18/45 = -13/45

7 0
2 years ago
Janelle wants to learn to play the piano. Her friends recommended two different music schools. Make Music charges $525 for 10 ho
makvit [3.9K]

Answer:

Piano Play has the better deal

Step-by-step explanation:

Piano Play has the better deal because it has a lower unit rate

Make Music’s unit rate is 52.5 when you divide $525 by 10 hours

Piano Play’s unit rate is $45 when you divide $540 by 12 hours

3 0
3 years ago
Read 2 more answers
Instructions:Select the correct answer.
raketka [301]
Living comfortably after you retire is the answer
6 0
3 years ago
Find the solution to the system of equations: x + 3y = 7 and 2x + 4y = 8 1. Isolate x in the first equation: 2. Substitute the v
Anettt [7]
X + 3y = 7
x = -3y + 7

2x + 4y = 8
2(-3y + 7) + 4y = 8
-6y + 14 + 4y = 8
-6y + 4y = 8 - 14
-2y = - 6
y = -6/-2
y = 3

x + 3y = 7
x + 3(3) = 7
x + 9 = 7
x = 7 - 9
x = -2

solution is (-2,3)
5 0
3 years ago
Read 2 more answers
I need help with this
Arturiano [62]

Answer:

Bc,AB,Ac

Step-by-step explanation:

Bc because

Bc is 150

Ab is 150

Ac is 100

4 0
3 years ago
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