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Vlada [557]
3 years ago
7

♥||Please help A.S.A.P i will mark you brainliest!||♥

Mathematics
1 answer:
cupoosta [38]3 years ago
8 0
The Answer of x is 112.1
This is because all the angles sit on a 180 degree line so all the points have to add up to 180.
180-67.9=112.1
ANSWER:
112.1
Hope this helps have a good day!!! :))
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Write the following number words in symbols. 1.one hundred twenty-seven thousand, four hundred fifty-nine 2.Two hundred six mill
olga2289 [7]
1) 127,459
2) 206,320,096
3) 322.38
7 0
3 years ago
(2.5×10−8)(9×10−10)<br><br> Express your answer in scientific notation.
Lunna [17]
Answer: 2.25x 10^{-17}

Scientific notation is used in science because the number can be vary from so much that using decimal is making it hard. The number expressed in 10^{x} form. Both number in the question is already in scientific notation. Then to multiply the number and keep it at scienfitic notation the calculation should be:

2.5 x 10^{-8}x 9 x 10^{-10}= 22.5 x 10^{-18}= 2.25x 10^{-17}

6 0
2 years ago
Read 2 more answers
Expand 4(-2x - 3) <br>Factorise 5n + 15​<br>シ︎❤︎✰✌︎
ikadub [295]

Look at the attached picture

Hope it will help you

Good luck on your assignment

Have a great day...

8 0
2 years ago
Find the surface area of the composite figure. 6cm 5 cm 20cm 4cm 12cm 6cm​
Crazy boy [7]

Answer:

644 cm²

Step-by-step explanation:

Surface area of the composite figure = surface area of the large rectangular prism + surface area of the small rectangular prism - 2(area of the surface of the small rectangular prism that joins the larger prism)

✔️Surface area of the large rectangular prism = 2(LW + LH + WH)

L = 6 cm

W = 5 cm

H = 20 cm

Surface area = 2(6*5 + 6*20 + 5*20)

= 500 cm²

✔️Surface area of the small rectangular prism = 2(LW + LH + WH)

L = 6 cm

W = 4 cm

H = 12 cm

Surface area = 2(6*4 + 6*12 + 4*12)

= 288 cm²

✔️area of the surface of the small rectangular prism that joins the larger prism = L*W

L = 12 cm

W = 6 cm

Area = 12*6

= 72 cm²

✅Surface area of the composite figure = 500 + 288 - 2(72)

= 644 cm²

7 0
2 years ago
An equation that defines y as a function of x is given. a. solve for y in terms of x and
Ymorist [56]

Answer:

  • f(x) = 2x -2/3
  • f(3) = 5 1/3

Step-by-step explanation:

We solve an equation for a specific variable by using inverse operations to undo what is done to the variable. The resulting function is evaluated by substituting the given value for the variable.

__

<h3>a.</h3>

We are given the equation ...

  6x -3y = 2

Solving for y, we get ...

  6x -2 = 3y . . . . . add 3y-2 to both sides

  2x -2/3 = y . . . . . divide by 3

  f(x) = 2x -2/3 . . . . write using functional notation

__

<h3>b.</h3>

To find f(3), we use x=3 in the function.

  f(3) = 2(3) -2/3 = 6 -2/3

  f(3) = 5 1/3

4 0
1 year ago
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