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Georgia [21]
3 years ago
14

Anyone know this? Will give brainiest

Mathematics
1 answer:
Sergio039 [100]3 years ago
7 0
Because it’s an isosceles triangle, m
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If DF = 9x -39 find EF
Klio2033 [76]

|DF| = |DE| + |EF|

|DF| = 9x -36

|DE| = 47

|EF| = 3x+10

Substitute:

9x - 39 = 47 + 3x + 10

9x - 39 = 3x + 57     |+39

9x = 3x + 96    |-3x

6x = 96    |:6

x = 16

Put the value of x to the equation |EF| = 3x + 10

|EF| = (3)(16) + 10 = 48 + 10 = 58

Answer: |EF| = 58

7 0
3 years ago
Read 2 more answers
What is factored form of the expression 16st+15t<br> ​
svet-max [94.6K]

Answer:

t(16s+15)

Step-by-step explanation:

The highest common factor of 16st+15t is t.

t(16s) + t(15)

Factor.

t(16s+15)

8 0
3 years ago
Read 2 more answers
What is the area surface?
Rus_ich [418]

Answer:

The total area of the surface of a three-dimensional object.

Step-by-step explanation:

6 0
3 years ago
If branndon finishes his work at 5:00 he us at the rosewood cafe​
son4ous [18]

Answer:

the question is not complete

4 0
3 years ago
John currently has $5000 in his savings
Alexus [3.1K]
John has $5,000 in his savings. That’s the total.
He has to give his sister $50 for her birthday.
He also spends $450 for his car payment.
We can easily put this into an equation.
50x-450=5000
Now we have to solve it.
50x-450=5000
-450 -450
50x=5000-450
50x=4550
50x/50=4550/50
x=91
So it will take 91 months to spend his $5,000.
7 0
2 years ago
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