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Semenov [28]
3 years ago
15

Answer please i need

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
3 0
52 hejdhdunebehsbdhebens
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Please help!! 30 points
Stels [109]

Answer:

x = 4

31x + 6 = 130

12x + 2 = 50

Step-by-step explanation:

two angles side by side are equal to 180.

(31x + 6) + (12x + 2) = 180

43x + 8 = 180

43x = 172

x = 4

31x + 6 = 124 + 4 = 130

12x + 2 = 48 + 2 = 50

8 0
3 years ago
For which equation is y = 7 a solution?
natali 33 [55]

Answer:

B

Step-by-step explanation:

11+7=18

3 0
2 years ago
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What’s the answer to number 1?
Darya [45]

Answer:

increase = New number - original number

inc % = (increase ÷ original number) *100%

Step-by-step explanation:

133 - 76 = 56

inc % = 57 ÷ 76 = 0.75

0.75*100% = 75%

7 0
3 years ago
the area of a square floor on a scale drawing is 100 square centimeters, and the scale of the drawing is 1 cm: 2 ft. what is the
kondaur [170]
The square root of 100 is 10. The drawing must be 10 cm by 10 cm.

1 cm = 2 ft, so 10 cm must equal 20 feet.

20 * 20 = 400 square feet :)
3 0
3 years ago
How many roots do the functions have in common?<br> f(x)=x^2-4x-5f(x)=x <br> 2<br> −4x−5
kakasveta [241]

Answer:

They have both root common .

7 0
3 years ago
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