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Anni [7]
2 years ago
9

Pls help me this is a late paper and I am so confused! x =7y -10 3x-2y=8

Mathematics
1 answer:
AveGali [126]2 years ago
5 0

Answer:

Yeah I would be too

Step-by-step explanation:

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In ΔKLM, k = 700 cm, l = 460 cm and ∠M=78°. Find the length of m, to the nearest centimeter.
pashok25 [27]

Answer:

753

Step-by-step explanation:

m^2 =700^2 +460^-2 −2(700)(460)cos78

m^2 = 490000+211600-2(700)(460)(0.207912)

m^2 = 490000+211600-133895.12889

m^2 = 567704.87111

m=753.462=753

6 0
3 years ago
A circle with radius 9 has a sector with a central angle of 120°.
Vitek1552 [10]

120º is 1/3 of a complete revolution of 360º. So the area of this sector should be 1/3 the area of the complete circle.

A circle with radius 9 has area 9^2 π = 81π.

So the sector has area 81π/3.

Put another way: The area <em>A</em> of a circular sector and its central angle <em>θ</em> (in degrees) occur in the same ratio as the area of the entire circle with radius <em>r</em> according to

<em>A</em> / <em>θ </em>º = (π <em>r </em>^2) / 360º

==>  <em>A</em> = π/360 <em>θ r</em> ^2

In this case, <em>r</em> = 9 and <em>θ</em> = 120º, so

<em>A</em> = π/360 * 120 * 81 = 81π/3

8 0
3 years ago
Compute the exact value of the function for the given x-value without using a calculator.F(x)=6^x for x = 3
Cloud [144]
First: Replace “x” with its known value. Since x = 3, plug it into the formula.
• F(3) = 6^3
Second: Solve the formula.
• 6^3 = 6 x 6 x 6 = 216
• F(3) = 216
4 0
3 years ago
Can you pls help me
SashulF [63]
I answered the last post, the third option is correct
7 0
2 years ago
The ratio of men to womenworking for a company is 3 to 2. If there are 54 women working for the company, what is the total numbe
e-lub [12.9K]

Solution:

<u>Note that:</u>

  • Men:Woman = 3:2
  • 54 women = Total woman in a company

<u>3:2 can also be written as 3x:2x.</u>

  • => Men:54 = 3x:2x
  • => 54 = 2x
  • => x = 27
  • => Men = 3x
  • => Men = 3(27) = 81
  • => Total employees: 81 + 54
  • => Total employees: 135

There are 135 employees in total.

5 0
2 years ago
Read 2 more answers
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