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alex41 [277]
1 year ago
5

HELPPP

Mathematics
1 answer:
ollegr [7]1 year ago
3 0

Answer:

1.25

Step-by-step explanation:

the scale factor is the ratio of corresponding sides, image to original, so

scale factor = \frac{EZ}{TR} = \frac{15}{12} = \frac{5}{4} = 1.25

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Whoever answers this correctly gets brainlist!
Gnoma [55]

Answer:

5.  3/10

6.  7/12

7.   7/8

8.   4/3

Step-by-step explanation: Hope this helps!

7 0
2 years ago
Read 2 more answers
Which number line shows the solution to<br> 1/4 X + 1 &lt; 5
alex41 [277]

Answer:

I think it's the third one

Step-by-step explanation:

I've done this before, but try the 3rd one, if not then try the second one. it's been awhile since I've done this. I'm sorry if I'm wrong

5 0
3 years ago
The sum of the measures of the interior angles in a convex polygon is 1,260°. How many sides does the polygon have?
gavmur [86]
The formula for working out the total interior is:

180(n-2) = 1260

So let’s rearrange by dividing both sides by 180 and find what n is:

n-2 = 7

Then let’s add 2 to both sides to find what n is:

n=9

Each interior angle is 1260/9 = 140°.
The sum of the interior angle and its corresponding exterior angle is 180°.

Therefore, the polygon has 9 sides. :)

3 0
1 year ago
Identify the angle measures of PQRS.
kap26 [50]
The opposite angles of an inscribe quadrilateral are supplementary.

angle P + angle R = 180
6x + 7 + 12x + 11 = 180
18x + 18 = 180
18x = 162
x = 9

Now we will substitute in the value of x to find angle P and R.

angle P = 6(9)+7 = 61
angle R = 12(9)+11 = 119

Now we will find the value of y.

angle Q + angle S = 180
10y + 7 + 3(3y + 7) = 180
10y + 7 + 9y + 21 = 180
19y + 28 = 180
19y = 152
y = 8

Now substitute in the value of y to find angle Q and S.

angle Q = 10(8)+7 = 87
angle S = 3(3*8+7) = 93

Hope this helps :)
7 0
3 years ago
A couple has 2 children. what is the probability that both are girls if the older of the two is a girl?
12345 [234]
Assuming that the probability of boys and girls is equal (in reality slightly more boys than girls are born), the probability is 1/2, simply because the older girl's gender is given and therefore not a part of the probability.

This question comes from the 'boy or girl paradox', a.k.a. the Mrs Smith Problem.
7 0
3 years ago
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