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3 years ago

3/4 X plus X -5 equals 10+ 2X

Mathematics

1 answer:

Kazeer [188]3 years ago

8 0

Answer:

x=-60

Step-by-step explanation:

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in a history class the girl to boy ratio is 9 to 5 if there are a total of 70 students, how many boys are there

Nikolay [14]

Answer:

Girls: 45

Boys: 25

Step-by-step explanation:

$9 + 5 = 14$

$70 \div 14 = 5$

$9 \times 5 = 45$

$5 \times 5 = 25$

Awnser Check:

$45 + 25 = 70$

8 0

3 years ago

Solve for x: -1 < x + 3 < 5

Rus_ich [418]

Answer:

−4<x<2

Step-by-step explanation:

−1<x+3<5

−1+−3<x+3+−3<5+−3 (Add -3 to all parts)

−4<x<2

3 0

3 years ago

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I don’t really know math so...

lubasha [3.4K]

Y= 5, 2, 1, 2,5

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2 years ago

Angle 1 and Angle 2 are supplementary. The measure of Angle 2 is 78

N76 [4]

Answer: Angle 1 is 129 degrees. Angle 2 is 51 degrees.

Step-by-step explanation: 129+51=180 129-51=78

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3 years ago

Which equation has the solutions x equals 1 plus or minus the square root of 5

CaHeK987 [17]

Answer:

d. x2 – 2x – 4 = 0

Step-by-step explanation:

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3 years ago