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andrew-mc [135]
3 years ago
6

Special right triangles, solve for x, y and z

Mathematics
1 answer:
Alika [10]3 years ago
6 0

Answer:

x=14

y=27

z=43

Step-by-step explanation:

hope it helps!

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Answer the following question with work. -6x+40=220
navik [9.2K]
If you do 220-40 then the second digit of the negative number will equal x.
6 0
3 years ago
Could someone help me out with 35 and 36?
djverab [1.8K]
35.
6x=4x+16 (they are vertical angles
2x=16
x=8

4(8)+16+11y=180 (they form a straight angle together)
32+16+11y=180
48+11y=180
11y=132
y=12

36.
7x=56 (vertical angles are equivalent)
x=8

56+y+2(8)=180 (these three angles form a straight angle)
56+y+16=180
72+y=180
y=108

Hope this helps!
4 0
3 years ago
I need help plz Will give brainlyist (no links)
leva [86]

Answer:

20m^2

5 x 8 = 40/2 = 20m^2 or 20m squared

I hope this helps

3 0
3 years ago
Riley is currently 4 times as old as her brother. If Riley was 11 years old 5 years ago, how old is Riley's brother now?
Sonbull [250]
Riley's age = r
Riley's brother's age = r/4

If Riley was 11 five years ago, Riley is currently 11 + 5 years old, or 16 years old.

Now we just need to use r/4 to find Riley's brother's age:

16 /4 = 4

Riley's brother is 4 years old.

Hope this helps!
5 0
4 years ago
Please help!
d1i1m1o1n [39]

Answer:

First, denote the number of dimes as x, and the number of quarters as y.

Since the total number of coins equals 61, we can write the following equation:  x + y = 61

Since the total value of the coins equals $10.90, and we know that a quarter is worth $0.25 and a dime is worth $0.10, the total value can be expressed as a function of the number of quarters and dimes:  $0.10*x + $0.25*y = $10.90

Now, we have two equations and two variables, meaning we can solve the 2x2 system!

Rewrite the first equation in terms of x: x = 61 - y

Now substitute this expression into the second equation: $0.10*(61-y) + $0.25*y = $10.90

Solve for y: $.15*y = $4.80,  y = 32

Substitute back into the first equation to get x: x = 29

She indeed has 3 more quarters than dimes since 32-29= 3, so we did it right (:

Step-by-step explanation:

7 0
3 years ago
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