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jarptica [38.1K]
3 years ago
7

13 = -7 + 9x - 5x X =

Mathematics
1 answer:
brilliants [131]3 years ago
3 0

Answer:

x = 5

Step-by-step explanation:

Given

13 = - 7 + 9x - 5x , that is

13 = - 7 + 4x ( add 7 to both sides )

20 = 4x ( divide both sides by 4 )

5 = x

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Find the measure of \angle RST∠RST. ​ ​ ​The measure of \angle RST∠RST is ^{\circ} ∘ .
Snowcat [4.5K]

Answer:

RST =144

Step-by-step explanation:

Given

See attachment

Required

Find RST

To do this, we use:

RST + 36 = 180 --- angle on a straight line

Make RST the subject

RST =- 36 + 180

RST =144

<em>Hence, the measure of RST is 144</em>

8 0
3 years ago
Plz help......................
Mrrafil [7]
I believe the answer would be D.

Hope this helps!
3 0
3 years ago
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What is 7 + 6x for x = -3?
Temka [501]

Answer:

-11

Step-by-step explanation:

8 0
3 years ago
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From a standard deck of playing card, a card is selected from random. what is the probabilty that the card selected is a black c
Alja [10]
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3 0
4 years ago
If a width of a rectangle is 5 1/6 cm and its length is 2 2/7 cm what is its area?
azamat

Answer:

11.8095238095 or 11.81

Step-by-step explanation:

The way to figure out the area of a rectangle is by multiplying the width by the length. In your case, you would multiply 5 1/6 by 2 2/7 to get 11.8095238095 but we can always round it to 11.81. I hope this helps...

5 0
4 years ago
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