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yaroslaw [1]
3 years ago
13

Angle RST and Angle GSH are vertical angles. Angle RST = 5b + 20 and

Mathematics
1 answer:
madreJ [45]3 years ago
4 0

Answer:

The measure of angle RST is 80

Step-by-step explanation:

Since they are vertical angles, then they must be equal as vertically opposite angles are equal

Thus;

5b + 20 = 7b - 4

7b - 5b = 20 + 4

2b = 24

b = 24/2

b = 12

But RST = 5b + 20

substitute for b

RST = 5(12) + 20

RST = 60 + 20

RST = 80

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What is the equation?​
elena-s [515]

Answer:

  cost = 1.35n

  $33.75 for 25 songs

Step-by-step explanation:

Based on the numbers given, the cost is proportional to the number of songs downloaded. The constant of proportionality is the cost of one song: 1.35.

  cost = 1.35n

For 25 songs, ...

  cost = 1.35·25 = 33.75 . . . . dollars

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The equation is ...

  cost = 1.35n

5 0
4 years ago
15 more than half a number is 9
avanturin [10]
1/2n + 15 = 9 <== ur equation
1/2n = 9 - 15
1/2n = - 6
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n = - 12 <== ur solution
4 0
3 years ago
What is the decimal expansion of the following fraction? A OA. 0.5 OB. 0.5 OC. 1.2 OD. 0.12 Reset Subr​
snow_lady [41]

Answer:

A/B O.5 (you put 0.5 as A and B) but 0.5 is the answer.

Step-by-step explanation:

In expanded form of decimal fractions we will learn how to read and write the decimal numbers. ... (i) 100 + 0.5 + 0.06 + 0.008 (ii) 80 + 1 + 0.02 + 0.005.

5 0
2 years ago
There are 40 tables in a library, with 30% of them seating 4 people. The tables remaining only seat 22 people. How many seats ar
zhannawk [14.2K]
30% of 40 = 0.30(40) = 12......so 12 tables seat 4 people per table = 12 x 4 = 48 seats.......tables remaining seat 22 people (22 seats).
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8 0
3 years ago
Read 2 more answers
The votes for president in a club election were: Smith: 24 Munoz: 32 Park: 20 Find the following ratios and write in simplest fo
topjm [15]

Hey there! I'm happy to help!

VOTES FOR MUNOZ TO SMITH

32:24

We see that both have a common factor of 8, so we can divide both by that.

4:3

This is in simplest form.

VOTES FOR PARK TO MUNOZ

20:32

We see that both have a common factor of 4, so we divide both by that.

5:8

This is completely simplified.

VOTES FOR SMITH TO TOTAL VOTES

24+32+20=76

24:76

We see that both have a common factor of 4, so will divide both by that.

6:19

We cannot simplify any more here.

VOTES FOR SMITH TO MUNOZ TO PARK

24:32:20

We can divide these all by four, so let's do that.

6:8:5

This can't be simplified anymore, so it is in simplest form.

Have a wonderful day! :D

3 0
3 years ago
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