3 years ago

Factor 42x+28y using the GCF

Mathematics

1 answer:

nataly862011 [7]3 years ago

6 0

Answer:

14 (3x+2y)

Step-by-step explanation:

hope this helps! :D

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3x + 4y = 19/3x +6y = 33

Tom [10]

3x + 4y = 19
3x + 6y = 33
2y = 14
y = 7
3x + 28 = 19
3x = -9
x = -3
3x + 42 = 33
3x = -9
x = -3

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3 years ago

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What is the solution set of |–x| = 3.5?

sveta [45]

Answer:

x = -3.5, 3.5

Step-by-step explanation:

| -x| = 3.5

x = -3.5, 3.5

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a light bulb consumes 5280 watt hours in 5 days and 12 hours. how many watts hours does it consume per day?

sammy [17]

Answer:

For this we first need to know how much watt hours are used in 12 house which we can find by taking 960/2=480 now we just need to take 960*4=3840 and add 480 which gives us are end answer of 4320 watt hours.

Step-by-step explanation:

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Consider the quadrilateral shown below that has vertices A, B, C, and D.

Zolol [24]

Answer:

C = 25.94°

Step-by-step explanation:

By applying cosine rule in ΔABD,

BD² = AB² + AD² - 2(AB)(BD)cosA

BD² = (5.8)² + (6.2)² - 2(5.8)(6.2)(cos27°)

BD² = 33.64 + 38.44 - 64.08

BD² = 8

BD = √8

By applying cosine rule in ΔBCD,

BD² = BC² + CD²- 2(BC)(CD)cosC

(√8)² = (5.4)²+ (3.3)² - 2(5.4)(3.3)cosC

8 = 29.16 + 10.89 - 35.64cosC

35.64cosC = 32.05

cosC = 0.89927

C = $\text{cos}^{-1}(0.89927)$

C = 25.94°

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3 years ago

The difference between a number and three is more than 10.

kirill [66]

Answer:

x-3<10

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