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4 years ago

Marcie is putting squares onto a rectangular mat. After she finishes covering it, Marcie says the mat

Mathematics

2 answers:

ivanzaharov [21]4 years ago

5 0

Answer:

Marcie had found the lengths were 5 units and 6 units in length and width

Step-by-step explanation:

We can factor 5 + 6 into the area equation L x W = A = 5 x 6 = 30

We have not considered other numbers because we can factor numbers such as 10 +3 into the square area that Marcie calculated at 30 sq units, but they are less likely numbers given the description of mat.

It would be unlikely, that it was 10 length + 3width as the description would have been a narrow mat or runner.

ASHA 777 [7]4 years ago

3 0

Answer:

area

Step-by-step explanation:

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3 years ago

The manager at the local auto shop has found that the probability that a car brought into the shop requires an oil change is 0.8

Ber [7]

Answer:

0.85

Step-by-step explanation:

Given two events A and B, the probability that either A or B occurs is given by:

$p(A\cup B) = p(A)+p(B)-p(A\cap B)$

where

$p(A)$ the probability that A occurs

$p(B)$ is the probability that B occurs

$p(A\cap B)$ is the probability that both A and B occur at the same time

In this problem, we know the following facts:

$p(o) = 0.83$ is the probability that the car requires an oil change

$p(b)=0.17$ is the probability that the car requires a brake repair

$p(o\cap b) = 0.15$ is the probability that the car requires both an oil change and brake repair

Therefore, the probability that either o (car requiring oil change) or b (car requiring brake repait) occur is:

$p(o\cup b)=p(o)+p(b)-p(o\cap b)=0.83+0.17-0.15 = 0.85$

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3 years ago

Which of the following is in Integrity but not a whole number A -9.6 B -4

abruzzese [7]

Answer:

B. -4.

Step-by-step explanation:

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3 years ago

Find the area of object and what is method

Alborosie

It would be...

(18 +28) divided by two

then take that and multiply it by the height - 5

the 6 in this equation doesn't matter because it is not the height of the shape

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4 years ago