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3 years ago

Can someone please help me solve this and if u have any questions text me don’t comment

Mathematics

1 answer:

Valentin [98]3 years ago

4 0

Answer:

x = 4

Step-by-step explanation:

Sum of angles (in degrees) in a triangle = 180

60 + 70 + 12x + 2 = 180

Add like terms

132 + 12x = 180

subtract 132 from both sides

12x = 48

divide both sides by 12

x = 4

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Let's find what percent of the total number of quantities is the given number or quantities?

astraxan [27]

Answer:

a. 20

b. 30

c. 75

b. 600 / 2000 * 100% (Change it to same unit)

3 / 10 * 100%

30%

You can slove every question by this method.

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2 years ago

HELP ME ASAP<br><br> Car X travels 268 miles in 4 hours.

Stels [109]

Answer:

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Step-by-step explanation:

take 268 divide by 4 you get 67

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3 years ago

Emily's family loves to work together in the garden. They have a slight preference for flowers, as 60%, percent of their plants

murzikaleks [220]

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3 years ago

Read 2 more answers

What is the simplified form of the equation 4/5n - 3/5 = 1/5n?

Oksi-84 [34.3K]

Answer:

n = 1 if you meant "(4/5)n - (3/5) = (1/5)n"

Step-by-step explanation:

There's some ambiguity here. Did you mean (4/5)n or did you

mean --------- ? Please use parentheses to eliminate this ambiguity.

I'm going to assume that you meant to type in (4/5)n - (3/5) = (1/5)n.

Then we have (3/5)n = 3/5, or n = 1

4 0

3 years ago

The owner of a convenience store keeps track of how many customer buy lunch food during the "noon rush" each day for four days a

alexdok [17]

Answer:

c) 62.

Step-by-step explanation:

Let x represent number of customers came in on the fifth day.

We have been given that the mean number of customers for those four days is 52. So total number of customers on 4 days would be 4 times 52 that is 208 customers.

We know that mean of a data set is equal to sum of all data points divided by number of data points.

Total number of customers on 5 days would be $208+x$ and total number of days is 5.

Since we need a mean of 54, so we can set mean of 5 days equal to 54 as:

$\frac{208+x}{5}=54$

Multiply both sides by 5:

$\frac{208+x}{5}*5=54*5$

$208+x=270$

$208-208+x=270-208$

$x=62$

Therefore, 62 customers must come in on the fifth day to make the five-day mean 54 and option 'c' is the correct choice.

4 0

2 years ago