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tigry1 [53]
3 years ago
12

Triangle ABC is congruent to triangle DFE. Find x.

Mathematics
1 answer:
diamong [38]3 years ago
5 0
   Since congruent triangles are the exact same figures, then triangle ABC is the exact same shape as triangle DFE. Hence, as I don't have any additional information to find x, x would be the same for both figures.
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3+4(10-8)? I have to simplify
alisha [4.7K]
Hi so you start with PEMDAS wich means parenthesis exponents multiply divide add and subtract so that's the order. 
so we start with the order so its parenthesis so 10 minus 8 is to and are the question now looks like this: 3 + 4 2 
Now when are two numbers together and they don't have a sign we multiplied together.
it looks like 3+4x2
Now we multiply because we follow the rule.
now it looks like this: 3+8
Now 3 plus 8 is 11 so your answer is 11
Hope I had helped.
8 0
3 years ago
Read 2 more answers
M= 2n - 2 <br> solve for n
jasenka [17]

Answer: M=2n-2

2n-2=0

2n-2+2=0+2

2n=2

Divide both side by 2

n=1

Step-by-step explanation:

5 0
3 years ago
about 70,000 people live in a circular region with a 30-mile radius. find the population density in people per square mile.
bezimeni [28]

Solve for the area of the circular region first:

A = pi*r^2

A = pi*(30 mi)^2

A = 2827.43 mi^2

Density = 70000 people/2827.43 mi^2

Density = 24.76 = 25 people/mi^2 <--ANSWER Plz vote brainnliest


4 0
3 years ago
Round 835.411 to the nearest tenth.
kondor19780726 [428]

The tenth position is the one that goes after the decimal point.

To round a number, you have to take into account the following:

1. If the number that goes after the position we are going to round to is greater than 5, we round to the next number in that position.

2. If the number that goes after the position we are going to round to is less than 5, we round to the same number in that position.

In this case, the number that is on the tenth's position is 4. The number that is after this position is 1, which is less than 5, then we round the number in this positon to 4.

The rounded number would be:

835.4

4 0
1 year ago
Simplify: 7!<br> 5,040<br> 40,320<br> 7<br> 720
Arturiano [62]
5040, I looked up the factorial of 7
8 0
3 years ago
Read 2 more answers
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