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marissa [1.9K]
3 years ago
8

Select the best answer for the question.

Mathematics
2 answers:
hoa [83]3 years ago
8 0

c is the correct answer

Alexxx [7]3 years ago
4 0
The right answer is C!
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agasfer [191]
88.21 fram is the anserer
8 0
3 years ago
One number is 7 more 3 times another number. the sum is 75. what is the smaller number
NeTakaya

Greetings from Brasil...

According to the statement of the question, we can assemble the following system of equation

X = 7 + 3Y i

X + Y = 75 ii

So, multiplying ii by -1 and adding with i

X = 7 + 3Y

- X - Y = - 75

- Y = 7 + 3Y - 75

4Y = 68

Y = 17

for X we will use ii:

X + Y = 75

X + 17 = 75

X = 58

The smaller number is: 17

7 0
3 years ago
What are the degrees of the missing angles?<br> O 30-60<br> O 90-30<br> 45-45<br> 20-80
ycow [4]

Answer:

a

Step-by-step explanation:

What are the degrees of the missing angles

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3 years ago
What is the value of x ?!
puteri [66]

Answer:

4

Step-by-step explanation:

2x - 1 = 7

2x = 8

x = 4

3 0
3 years ago
The areas of two similar triangles are 72dm^2 and 50dm^2. The sum of their perimeters is 226dm. What is the perimeter of each of
Kruka [31]

Answer:

Per2 = 102.727 dm

Per1 = 123.272 dm

Step-by-step explanation:

We know that the area of similar triangles are related to the square of their perimeters.

This means that

(Per1^2)/(Per2^2)  =  Area1 / Area2

If we take the square root of the previous equation

(Per1)/(Per2)  =  \sqrt{Area1 / Area2}

(Per1)/(Per2)  =  \sqrt{72/ 50}

(Per1)/(Per2) = 1.2

We also know that

Per1 + Per2 = 226 dm

So,

1.2*Per2 + Per2 = 226 dm

2.2*Per2 = 226 dm

Per2 = 102.727 dm

Per1 = 1.2*Per2 = 123.272 dm

6 0
3 years ago
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