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2 years ago

7 ab + 3xy - 5ab - xyAnswer

Mathematics

1 answer:

Roman55 [17]2 years ago

5 0

Answer:

Step-by-step explanation:

add like terms.

simplified it would be 2ab+2xy or 2(ab+xy)

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A dessert recipe calls for 2 1/2 cups of milk and makes 5 servings how many cups of milk are needed for 8 servings

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You need 4 cups of milk for 8 servings of the dessert.

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3 years ago

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Which statement correctly describes the expression 6(-16)

dsp73

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2 years ago

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7 + 9y < -3 (y - 5) + 4

Anuta_ua [19.1K]

Answer:

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2 years ago

Pietro has $75. He used 3/5 of his money to buy a new pair of running shoes. How much did Pietro spend on his new shoes

cupoosta [38]

Step-by-step explanation:

HI Sofia!

So this is how you find the answer.

Amount of money pietro has=$75

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2 years ago

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The diagram shows a 3 cm x 5 cm x 4 cm cuboid

Rainbow [258]

Answer:

a) The length of segment AC is approximately 5.83 centimeters.

b) The angle ACD is approximately 34.5º.

Step-by-step explanation:

a) Since $AB \perp BC$ , the length of segment $AC$ is determined by Pythagorean Theorem, that is:

$AC = \sqrt{(5\,cm)^{2}+(3\,cm)^{2}}$

$AC \approx 5.831\,cm$

The length of segment AC is approximately 5.831 centimeters.

b) Since $AB \perp BC \perp AD$ , the length of segment $AD$ is determined by this Pythagorean identity:

$AD = \sqrt{(3\,cm)^{2}+(5\,cm)^{2}+(4\,cm)^{2}}$

$AD \approx 7.071\,cm$

The angle ACD is determined by the following trigonometric expression:

$\cos C = \frac{AC}{CD}$

$\cos C = \frac{5.831\,cm}{7.071\,cm}$

$\cos C = 0.825$

$C = \cos^{-1} 0.825$

$C \approx 34.448^{\circ}$

The angle ACD is approximately 34.448º.

4 0

2 years ago

7 ab + 3xy - 5ab - xyAnswer​

7 ab + 3xy - 5ab - xyAnswer