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cupoosta [38]
3 years ago
7

Pedro and Carmela are cleaning their kitchen. It takes Pedro 3 hours to clean the kitchen by himself, while Carmela can clean th

e kitchen in 2
hours. Which equation can be used to calculate how long it will take them to clean the kitchen if they work together?
o * + = 1
31 + 2 = 1
Mathematics
1 answer:
nlexa [21]3 years ago
6 0

Answer:o * + = 1

Step-by-step explanation:

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Answer please!! <br> I really need help with thissssssssss! :(
andriy [413]

Answer:

It's the Best answer B

Step-by-step explanation:

Because yes is línea test

You no understand put the B answer friend

6 0
3 years ago
I bought 6 packs of gummy bears. There were 25 gummy bears in each bag and 20% were yellow. Another 10% were white. How many mor
Vinvika [58]

Answer:

15 (I think)

Step-by-step explanation

6 x 25 = 150

20% of 150 = 30

10% of 150 = 15

30 - 15 = 15

<em>Sorry if this is wrong.</em>

<em>Bye, have a great day/night.</em>

3 0
2 years ago
Read 2 more answers
What is the value of y?<br><br>A. Cannot be determined<br>B. 65°<br>C. 60°<br>D. 120°​
vlabodo [156]

Answer:

C. 60°

Step-by-step explanation:

The angles in a triangle add up to 180°.

You are given 60° and 60°.

Add them

60 + 60 = 120

Subtract 120 from 180.

180 - 120 = 60°

8 0
3 years ago
There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the di
Olin [163]

Solution: We are given:

ACT scores follow normal distribution with \mu=20.9,\sigma =4.8

SAT scores follow normal distribution with \mu=1026,\sigma=209

Now, let's find the z score corresponding to Joe's SAT score 1351.

z=\frac{x-\mu}{\sigma}

        =\frac{1351-1026}{209}

        =\frac{325}{209}

        =1.56

Therefore, Joe's SAT score is 1.56 standard deviations above the mean.

Now, we have find the Joe's ACT score, which will be 1.56 standard deviations above the mean.

Therefore, we have:

z=\frac{x-\mu}{\sigma}

1.56=\frac{x-20.9}{4.8}

1.56 \times 4.8 = x - 20.9

7.488=x-20.9

x=20.9+7.488

x=28.388 \approx 28.4

Therefore, Joe's equivalent ACT score to SAT score 1351 is 28.4    

7 0
3 years ago
Median:<br><br> What is the MEDIAN for this data set?
lesya692 [45]

Answer:

I think the answer would be 60.

Step-by-step explanation:

Hopefully this helps ya out but I may be wrong so please don't get angry.

8 0
3 years ago
Read 2 more answers
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