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Maru [420]
3 years ago
12

Please help find the angles!!

Mathematics
1 answer:
devlian [24]3 years ago
6 0

Answer:

1. 140

2. 140

3. 40

4. 40

Step-by-step explanation:

The lines are parallel so angels 1,4,5,8 are the same.

Same with angels 2,3,6,7.

To find angels 7 and 2 subtract 140 with 180 since the horizontal line equals 180 which gives you 40

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X2 +8x+16=0 in factoring algorithm
Setler79 [48]

Answer:

(x+4)^2 =0

Step-by-step explanation:

x2 +8x+16=0

What 2 numbers multiply to 16 and add to 8

4*4 = 16

4+4 =8

(x+4) (x+4) =0

(x+4)^2 =0

4 0
3 years ago
A coin collection is made up of 34 coins comprised of nickels and dimes. The total value of the collection is $1.90. How many di
riadik2000 [5.3K]

Answer:

x = nickels

y= dimes

x + y = 34

.05x + .10y= $1.90

-.10x - .10y = -3.40

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7 0
3 years ago
Explain why the triangles are similar. Then find the value of x.
djyliett [7]
Answer: Choice A) AA postulate; 18

---------------------------------------------------------------------------------------

Work Shown:

The triangles are similar to each other due to the AA (angle angle) postulate. The top angles are overlapping or shared angles. So that's the first pair. The second pair of angles is either bottom pair of angles, from the fact that corresponding angles are congruent. This is only true if the lines are parallel.

Due to the similar triangles, we can set up the proportion and solve for x
8/(8+4) = 12/x
8/12 = 12/x
8*x = 12*12 ... cross multiply
8x = 144
x = 144/8
x = 18

8 0
3 years ago
S is the midpoint of TV. TS = 4x - 7, and SV = 5x - 15. Find TS, SV, and TV.​
jasenka [17]

Step-by-step explanation:

TS = 4x - 7

x = -7/4

SV = 5x -15

x = -15/5

= -3

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= -3 3/4

= -4.75

8 0
2 years ago
What’s 3/4s of 300 million
Blababa [14]
It’s 225,000,000= 225 million
4 0
3 years ago
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