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Sliva [168]
2 years ago
15

I WILL GIVE YOU BRAINLIEST please write on the image to explain answer THANKS :D

Mathematics
1 answer:
Travka [436]2 years ago
8 0

Answer: DE=11

Step-by-step explanation:

3x-28+3x-30+x=33

3x+3x+x-28-30=33

7x-58=33

7x=91

x=13

DE=3x-28

DE=3(13)-28

DE=39-28

DE=11

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In exercises 1 and 2, Find the value of x.
Kruka [31]

From the given picture, we can see that 2 sides are congruen, then the given triangle is an isosceles triangle. In this triangle the base angles are congruent, so we can draw the following picture:

Now, since interior angles of any triangle add up to 180 degrees, we have

x+\frac{x}{2}+\frac{x}{2}=180

By combining similar terms, we get

\begin{gathered} \frac{4}{2}x=180 \\ 2x=180 \end{gathered}

Then, x is given as

\begin{gathered} x=\frac{180}{2} \\ x=90 \end{gathered}

Therefore, the answer is x=90 degrees

4 0
1 year ago
Solve y=(x-1)^ +4
Dimas [21]

Answer:

,nm

Step-by-step explanation:

3 0
2 years ago
What is 57.82 ÷ 0.784 (show ur work)
faltersainse [42]

Answer:

73.75

Step-by-step explanation:

\frac{57.82}{0.784}
Multiply numerator and denominator by 1000:

\frac{57820}{784}

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Now divide 5880 by 784 to get 7

Now divide 3920 by 784 to get 5

The solution of the long division is :

73.75

8 0
2 years ago
What is the value of the expression 1/2 (m÷3) +n A. 13/5 B. 13/10 C. 15/11 D. 15/17
OLEGan [10]

Answer:

So far I have gotten 3m + n, there is not equal sign so I am unable to finish this question further.

Step-by-step explanation:

5 0
3 years ago
What is the circumference of the circle if r = 3.5 feet? Use 22 7 for π. A) 5.5 feet B) 11 feet C) 22 feet D) 38.5 feet
Liono4ka [1.6K]
Well, to find the circumference of a circle, we can use the formula
C=2\pir.
So just plug in 3.5 into the formula.
C=2\pi3.5.
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So our answer would be C. 22 feet.
Hope I helped!
8 0
3 years ago
Read 2 more answers
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