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Ivahew [28]
2 years ago
11

Can someone please help me with this question, I have multiple of them and have no idea where to start. If you can help me with

this please show how you got it because im clueless

Mathematics
1 answer:
In-s [12.5K]2 years ago
8 0

Answer:

Step-by-step explanation:

( 3x - 7 )° + ( 9x - 2 )° + ( x + 7 )° = 180°

13x = 182

x = 14

m ∠ A = ( 3 × 14 - 7 )° = 35°

m ∠ B = ( 9 × 14 - 2 )° = 124°

m ∠ C = ( 14 + 7 )° = 21°

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leonid [27]
I’d def go with the sun god fights the god of the underworld each evening at dusk
5 0
3 years ago
Wendy can ride her bike 0.8 miles in 6 minutes how many miles can she ride her bike in 2.5 hours
Minchanka [31]

Answer:

20 miles

Step-by-step explanation:

Set up a proportion...

0.8 miles is to x miles as 6 mins is to 2.5 hours

*You need to convert 2.5 hours into minutes first, since the first part is in minutes.  There are 60 minutes in an hour, so there are 60(2.5) = 150 minutes in 2.5 hours

0.8/x = 6/150

Now solve for x by cross multiplying...

0.8(150) = 6x

    120 = 6x

       20 = x

She can ride 20 miles in 2.5 hours

7 0
3 years ago
I NEED HELP ON SIMPLIFYING THIS SOMEONE HELP
devlian [24]

Answer:

3^12

The last answer

8 0
2 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=-2x%20-%205%20%5Cleq%207" id="TexFormula1" title="-2x - 5 \leq 7" alt="-2x - 5 \leq 7" align="
yaroslaw [1]

Answer:

x ≥ - 6

Step-by-step explanation:

Given

- 2x - 5 ≤ 7 ( add 5 to both sides )

- 2x ≤ 12

Divide both sides by - 2, reversing the symbol as a result of dividing by a negative quantity.

x ≥ - 6

5 0
3 years ago
The school talent she is 90 minutes long. The average rate of the show is about 10 acts every 30 minutes. At this rate, how many
IceJOKER [234]
90/30 = 3

3 x 10 = 30

30 acts
7 0
3 years ago
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