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11111nata11111 [884]
3 years ago
14

9

Mathematics
1 answer:
lora16 [44]3 years ago
3 0

Answer: B,E, C

Step-by-step explanation:

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NEED HELP ASAPPPPPPPPP
Nookie1986 [14]

Answer:

A  = 57°

B = 19°

C = 104°

Step-by-step explanation:

We have a triangle with 3 angles:

A, B, and C.

We know that:

"Angle A is 3 times larger than angle B"

We can write this as:

A = 3*B

"Angle C was 10° less than 6 times angle B"

This can be written as:

C = 6*B - 10°

And we also know that the sum of all interior angles of a triangle is 180°

Then we also have the equation:

A + B + C = 180°

So we have a system of 3 equations:

A = 3*B

C = 6*B - 10°

A + B + C = 180°

To solve this, the first step is to isolate one of the variables in one of the equations.

We can see that A is already isolated in the first one, so we can skip that step.

Now we need to replace A in the other equations, to get:

C = 6*B - 10°

(3*B) + B + C = 180°

Now we have a system of two equations.

Let's do the same procedure, we can see that C is isolated in the top equation, so we can just replace that in the other equation to get:

3*B + B + (6*B - 10°) = 180°

Now we can solve this for angle B

4*B + 6*B - 10° = 180°

10*B - 10° = 180°

10*B = 180° + 10° = 190°

B = 190°/10 = 19°

Now that we know the measure of angle B, we can input this in the equations:

A = 3*B

C = 6*B - 10°

To find the measures of the other two angles:

A = 3*19° = 57°

C = 6*19° - 10° = 104°

5 0
3 years ago
How many pounds are in 1 ton 1,600 ounces?
NARA [144]
I believe there are 32000 ounces in a ton.
8 0
3 years ago
Read 2 more answers
HELP ILL MARK YOU BRAINLIEST (40PTS)!! Which number line best shows how to solve −6 − (−8)? A number line from negative 10 to 10
GalinKa [24]

Answer:

i think it is 6 but not sure

Step-by-step explanation:

8 0
3 years ago
Evaluate C(6, 3). A.720 B.20 C.120
ludmilkaskok [199]

Answer:

Provide question

Step-by-step explanation:

Provide question

4 0
3 years ago
How do I start this?? what is the answer, im not really good at math
storchak [24]
-12 would be it because 2 negatives make a positive so -11+23 is -12
8 0
3 years ago
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