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Arisa [49]
3 years ago
7

Chloe is painting a room she uses 1/4 gallon of paint to cover 1/3 of a wall if the walls are all the same size how much paint w

ill she need to cover one wall
Mathematics
1 answer:
Kaylis [27]3 years ago
5 0

Answer:

3/4 gallon

Step-by-step explanation:

we know that

Chloe uses 1/4 gallon of paint to cover 1/3 of a wall

so

using proportion

Find out how much paint she will need to cover one wall

Let

x ---> paint needed to cover one wall

\frac{(1/4)}{(1/3)}=\frac{x}{1}\\\\x=\frac{1}{4} :\frac{1}{3}\\\\x=\frac{3}{4}\ gal

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Use the order of operations to evaluate this expression: 7+(5-9)2 + 3(16-8).​
Murljashka [212]

Answer:

23

Step-by-step explanation:

Order of Operations: BPEMDAS

1. Brackets

2. Parenthesis

3. Exponents

4. Multiplication

5. Division

6. Addition

7. Subtraction

Left to Right

Step 1: Write expression

7 + (5 - 9)2 + 3(16 - 8)

Step 2: Parenthesis (subtraction)

7 + (-4)2 + 3(8)

Step 3: Parenthesis (multiplication)

7 - 8 + 24

Step 4: Subtract

-1 + 24

Step 5: Add

23

6 0
3 years ago
"How are straight angles different from right angles?" Is this a statement? <br> yes or no
Arturiano [62]
No, this is a question.
7 0
3 years ago
The average performance rating of the employees at Company A is 6.5 on a scale from 1 to 10 (10 being highest). The standard dev
djyliett [7]

Answer:

The best choice would be hiring a random employee from company A

Step-by-step explanation:

<em>Supposing that the performance rating of employees follow approximately a normal distribution on both companies</em>, we are interested in finding what percentage of employees of each company have a performance rating greater than 5.5 (which is the mean of the scale), when we measure them in terms of z-scores.

In order to do that we standardize the scores of both companies with respect to the mean 5.5 of ratings

The z-value corresponding to company A is

z=\frac{\bar x-\mu}{s}

where

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s = standard deviation of company A

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We do the same for company C

z=\frac{\bar x-\mu}{s}=\frac{7.4-5.5}{6.8}=0.2794

This means that 27.49% of employees of company C have a performance rating > 5.5, whereas 71.42% of employees of company B have a  performance rating > 5.5.

So, the best choice would be hiring a random employee from company A

4 0
3 years ago
I REALLY NEED HELP
g100num [7]
Because poop lol

Poop lol = 3.14

If 3.24= Pi then when I eat a peace of pie I eat 3.14
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2 years ago
Read 2 more answers
-3n^2-13n +1= 0<br> need this asap. i’m lost.
lesya692 [45]

Answer:

if you're trying to find the discriminant, then it's 181.

Step-by-step explanation:

6 0
3 years ago
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