2 years ago

Find all missing angles.

Mathematics

1 answer:

muminat2 years ago

8 0

Answer:

4 better explanation inbox

Step-by-step explanation:

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3×-7 equivalent expressions A. -21 B. 4 C. -4 D. 21

USPshnik [31]

Answer:

-21

Step-by-step explanation:

3x7=21 and a negative x a positive is always negative

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2 years ago

Identify the vertex of the function graphed below.

77julia77 [94]

Answer: (3, -2)

Step-by-step explanation:

The vertex is the highest or lowest point of a parabola, and I found it. Hope this helps :)

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3 years ago

A bag contains eight yellow marbles, nine green marbles, three purple marbles, and five red marbles. Two marbles are chosen from

Kryger [21]

Answer:

The expression would give the probability that one marble is yellow and the other marble is red is,

$P(Y\cdot R\ And\ R\cdot Y)=P(Y)P(R)+P(R)P(Y)$

Step-by-step explanation:

A bag contains eight yellow marbles, nine green marbles, three purple marbles, and five red marbles. So in total there are 25 marbles.

Hence,

Probability of getting yellow ball = $P(Y)=\dfrac{8}{25}$

Probability of getting red ball = $P(R)=\dfrac{5}{25}$

Probability that one marble is yellow and the other marble is red is,

$P(Y\cdot R\ And\ R\cdot Y)=P(Y)P(R)+P(R)P(Y)=\dfrac{8}{25}\cdot \dfrac{5}{25}+\dfrac{5}{25}\cdot \dfrac{8}{25}=0.128$

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3 years ago

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According to the Marshall’s survey, 80 sixth graders, or 40% of the students in sixth grade like to have school remote. How many

maxonik [38]

200 is the answer i know this because 40%of 200 is 80

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3 years ago

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What is the property of 7/9 * 1 = 7/9

lidiya [134]

Answer:

Identity property of multiplication (multiplying a number by one will result in that number)

Step-by-step explanation:

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3 years ago