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tiny-mole [99]
3 years ago
11

Help? (1# only) In really confused :(

Mathematics
1 answer:
insens350 [35]3 years ago
7 0
I’m is to it’s a lot of numbers 3467632
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Answers to this question <br><br>8<br>2.5<br>12<br>3​
ladessa [460]

Answer:

3 = ?

Step-by-step explanation:

The triangles are similar, so we  can use ratios

15           12 -2

------   = --------------

15+?          12

15           10

------   = --------------

15+?          12

Using cross products

15 * 12 = 10 ( 15+?)

180 = 10 ( 15+?)

Divide each side by 10

18 = 15+?

Subtract 15 from each side

18-15 = 15+?-15

3 = ?

5 0
2 years ago
What’s the base of a triangle if the area is 180cm but the height is 20
Lena [83]

Answer:

the base is 18cm

Step-by-step explanation:

A=1/2*bh

180=1/2*(20)b

180=10b

b=18

You're welcome :)

6 0
3 years ago
Read 2 more answers
Tap on image to see it all.....I really need this answer please​
Olin [163]

Answer:

180-44=136 is d

then 180-136=44 44/2=22

c is 22. just remember total angle above straight line is 180, and the total angle of a triangle is also 180. And if two sides have the same length, their angles are also the same like c and a, and e and 44 degrees

3 0
3 years ago
In the figure below, m||n. If m&lt;5 = 115, find the rest of the angle measures.
Sophie [7]

Answer:

ma

Step-by-step explanation:

iminlove

8 0
3 years ago
There are four nickels, three dimes, and three quarters in your pocket. You randomly pick three coins and place them on a counte
kupik [55]

Total coins = 10 ( 4 + 3 + 3 = 10).

The probability of picking a nickel first = 4/10 = 2/5 ( 4 nickels out of 10 total).

The probability of picking a dime second = 3/9 = 1/3 ( 3 dimes out of 9 coins left).

The probability of picking the third coin as a quarter = 3/8 ( 3 quarters out of 8 coins left).

The probability of picking all three in that order = 2/5 x 1/3 x 3/8 = 1/20

3 0
3 years ago
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