2 years ago

Simplify: 3x + 6y - (4x - 2y)

Mathematics

1 answer:

djyliett [7]2 years ago

6 0

Answer:

-x + 8y

Step-by-step explanation:

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Which of the following graphs has a slope of<br> -5 and a y-intercept of 4?

olga2289 [7]

Answer: B.

Step-by-step explanation:

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2 years ago

Factorize 9/16 x2 + xy + 4/9 y2

miskamm [114]

$\frac{9}{16} x^2 + xy + \frac{4}{9} y^2 = (\frac{3}{4} x)^{2} + xy + (\frac{2}{3}y)^{2} = (\frac{3}{4} x)^{2} + 2* \frac{3}{4} x * \frac{2}{3}y + (\frac{2}{3}y)^{2}$ $= ( \frac{3}{4}x + \frac{2}{3} y)^{2}$

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2 years ago

Given : 3x + 2(x — 5) = 32<br> prove : x = 84

pishuonlain [190]

Answer:

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2 years ago

Drag the tiles to the boxes to form correct pairs

sergiy2304 [10]

$( - \frac{3}{4} )( \frac{7}{8} )$

$= \frac{ - 3}{4} \times \frac{7}{8}$

$= \frac{ - 21}{32}$

_______________________________________

$( \frac{2}{3} )( - 4)(9)$

$= \frac{2}{3} \times - 4 \times 9$

$= \frac{ - 72}{3}$

$= - 24$

_______________________________________

$( \frac{5}{16} )( - 2)( - 4)( - \frac{4}{5} )$

$= \frac{5}{16} \times - 2 \times - 4 \times \frac{ - 4}{5}$

$= \frac{ - 160}{80}$

$= \frac{ - 16}{8}$

$= - 2$

_______________________________________

$(2 \frac{3}{5} )( \frac{7}{9} )$

$= \frac{13}{5} \times \frac{7}{9}$

$= \frac{91}{45}$

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2 years ago

A student answers 90% of the questions on a math exam correctly. If she answers 27 questions correctly, how many questions are

alexandr1967 [171]

Answer:

30 questions

Step-by-step explanation:

You can discover this by doing 27 divided by . 90 which equals 30.

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2 years ago