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ololo11 [35]
3 years ago
14

Angles A and B are congruent. Find the value of x. Show all work to receive credit.

Mathematics
1 answer:
kolezko [41]3 years ago
8 0

Answer:

  x = 15

Step-by-step explanation:

Sides opposite congruent angles are congruent:

  x + 10 = 2x - 5

  15 = x . . . . . . . . . add 5-x

The value of x is 15.

_____

I suppose you could show the intermediate step:

  x +10 +(5 -x) = 2x -5 +(5 -x)

  15 = x . . . . . simplified

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Samantha glued stickers on a sheet with an area of 1,260 square centimeters in 1/6 of an hour. What is the speed, in square cent
ASHA 777 [7]
1/6 of an hour is 10 minutes. For a precise answer, convert it to seconds. You will end up with 600 seconds. Divide the area of the sheet by 600 seconds.
1260/600 ~ 2 
With this result, Samantha glued approximately 2 stickers every second.
4 0
3 years ago
Read 2 more answers
Help plz if anybody know the answer
Tanzania [10]

Answer: x^2+29x+39

You would first have to set up an equation, which would be ((2x+9)⋅(x+6))-((x-5)⋅(x-3)) to find the area of both rectangles.

Then you can simplify it, which gives us 2x^2+21x+54-(x^2-8x+15)

Then simplify it even more which gives us 2x^2+21x+54-x^2+8x-15

Then we can get our answer: x^2+29x+39

Hope that helps :)

4 0
3 years ago
Your neighborhood gym tracked how many days each of its members worked out over the past week. Let G = the
elena-s [515]

Answer:

C.

If many, many members were randomly selected, the average number of days per week a member worked out would be about 1.36 days.

Step-by-step explanation:

yes

8 0
3 years ago
Read 2 more answers
Consider the piecewise function shown on the graph, which is composed of three different function types. ----- IMAGE ATTACHED BE
lesantik [10]

Answer:

Domain = (-\infty,-2) --- quadratic function

Domain = (-2,6) --- linear function

Domain = (6,\infty) --- square root function

Step-by-step explanation:

Given

The attached graph

Required

The domain of each function

Starting from the left; the first function is the quadratic function.

The curve of the quadratic function stops at -2 So, the domain is:

Domain = (-\infty,-2)

The straight line that starts at -2 and ends at 6 is a linear function.

So, the domain is:

Domain = (-2,6)

Lastly, the square root function begins at 6. So, the domain is:

Domain = (6,\infty)

6 0
3 years ago
Gina sells 216 cakes in ratio small : medium: large=5:7:12 The profit for one medium cake is twice the profit for one small cake
Hunter-Best [27]

Answer:

£1.31

Step-by-step explanation:

5+7+12=24

216÷24=9

Small=9x5=45

Medium=9x7=63

Large=9x12=108

2x= Medium, Large= 3x, Small=x

Small=45x, Medium= 63x2=126x, Large=108x3=324x

45x+126x+324x=495x

£648.45=495x

£648.45÷495=x

£1.31=x

If this helps please give me Brainliest

3 0
3 years ago
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