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Annette [7]
3 years ago
7

WILL GIVE BRAINEST HELP ME

Mathematics
2 answers:
Korvikt [17]3 years ago
8 0
The second option is correct.
slavikrds [6]3 years ago
3 0
Second option                       hope this helps               
You might be interested in
Please explain how to do it I know the answer is 30%
Andrews [41]

To find this percentage, it will make it easier if it is worded differently. Put it "15 is what percent of 50?"

To find the percentage, simply divide 15 by 50 then multiply that quotient by 100.

15 / 50 = 0.3

0.3 x 100 = 30 = 30%

8 0
3 years ago
Which fraction expresses -30/54 in lowest terms?
Pavlova-9 [17]
-30/54 in simplest form:

First, we can start out by finding the greatest common factor (GCF) of the numerator (30) and the denominator (54). To do so, we will list the factors of each number, find the common ones and then the greatest.

Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30
Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54

Look through both sets of factors. Which are the common factors? 1, 2, 3, and 6 are the common factors of 30 and 54. Now, we have the find the greatest common factor. Basically, which number has greater value out of 1, 2, 3, and 6? The GCF is 6.

Second, our last step is to divide the numerator (30) and denominator (54) by our recently found GCF which was 6. This will create a new fraction which is in simplest form.

30 \div 6 = 5 \\ 54 \div 6 = 9

Let's collect our new numerator and denominator and rewrite our brand new fraction in its simplest form. 
-\frac{5}{9}

Answer in fraction form:\fbox {-5/9}
Answer in decimal form: \fbox {-0.5556}
7 0
4 years ago
A man walked steadily from 11 am to 2.30 pm at 5 kilometres per hour how far did he walk!
matrenka [14]

Answer:

Distance traveled 17.5 kilometers

Step-by-step explanation:

We can use the following equation to find the distance traveled,

Distance traveled = Speed * Time

First we need to find the total time he walked = 2.30 p.m. - 11.a.m.

                                                                             =3.5 hours

Now we can substitute the values to the equation,

Distance traveled = 5 kilometers per hour * 3.5 hours

                              = 5*3.5 kilometers

                              = 17.5 kilometers


3 0
3 years ago
Andrea made a replica of the Empire State Building. The surface area of the model is 45 feet2.
iVinArrow [24]

87,120 ft²

1. Let's review the information given to us to answer the question correctly:

Surface area of the Empire State building replica = 45 square feet

Scale factor = 44

2. What is the surface area of the actual Empire State Building in square feet?

For answering the question, we will make the following calculations:

45 square feet = 9 feet * 5 feet or,

45 square feet = 10 feet * 4.5 feet, or,

45 square feet = 20 feet * 2.25 feet.

Now, let's apply the scale factor to all of these probable lengths of the sides of the surface area of the replica, as follows:

(9 *44) * (5 * 44) = 396 * 220 = 87,120 ft²

(10 * 44) * (4.5 * 44) = 440 * 198 = 87,120 ft²

(20 * 44) * (2.25 * 44) = 880 * 99 = 87,120 ft²

As we proved, no matter what are the lengths of the sides of the surface area of the replica. after applying the scale factor, the result is the same: 87,120 ft²

8 0
3 years ago
4(a+2)=8+4a <br><br> Help.<br><br> Me.
r-ruslan [8.4K]
<span>4(a+2)=8+4a 
4a + 8 = 8 + 4a
4a - 4a = 8 - 8
0 = 0

Answer
</span><span>Infinite Solutions</span>
8 0
3 years ago
Read 2 more answers
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