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Lynna [10]
2 years ago
14

Help plz. I’ve been stuck for almost a hour

Mathematics
2 answers:
Troyanec [42]2 years ago
8 0

Answer:

y = 25 and x = 10

Step-by-step explanation:

the angles on top and on bottom are equal so...

5y - 25 = 100

5y - 25 <em>+ 25</em> = 100 <em>+ 25</em>

5y = 125

5y/5 = 125/5

y = 25

Every line is 180 degrees so we know that if the top and bottom angles are 100 then the other angles need to equal 80

11x - 30 = 80

11x - 30 <em>+ 30  </em>= 80 <em>+ 30</em>

11x = 110

11x/11 = 110/11

x = 10

Wewaii [24]2 years ago
3 0

Answer: x=10 and y=25

Step-by-step explanation:

ok, so since we know straight angles=180 degrees, so since one part=100, the other smaller angle=80. This means that 11x-30=80 and 5y-25=100. 11*10=110, and 110-30=80, so x=10. 5*25=125, and 125-25=100, so y=25. And lol. me too. When I used to do these problems, I was stuck for a very, very long time. Just try to use logic most of the time.

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kolbaska11 [484]

Answer:  586.59 cubic centimeters .

Step-by-step explanation:

As per given . we have

Inner diameter =  1.8 inches

⇒Inner radius :r = 0.9 in.  (radius is half of diameter)

= 0.9 x (2.54) = 2.286 cm  [∵ 1 in . = 2.54 cm]

Outer diameter = 2 inches

⇒Outer radius : R = 1 inch  = 2.54 cm

Height : h = 5 feet = 5 x(30.48) = 152.4 cm   [∵  1 foot = 30.48 cm]

The formula to find the volume of a hollow cylinder :

V=\pi(R^2-r^2)h , where R= outer radius , r= inner radius and h= height.

Now , the volume of metal in the conduit :

V=(3.14)(( 2.54)^2-(2.286)^2)(152.4)

V=(3.14)(6.4516-5.225796)(152.4)

V=(3.14)(1.225804)(152.4)

V=586.591342944\approx586.59\ cm^3

Hence, the volume of metal in the conduit is 586.59 cubic centimeters .

5 0
3 years ago
Ming is mowing a lawn that is 12 feet wide and 25 feet long.
leva [86]

Answer:

300!

Step-by-step explanation:

Because square feet is area and area is length (25) and width (12)

5 0
2 years ago
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Svetllana [295]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Check if 5/11 and 7/6 are rational numbers.
LekaFEV [45]

Answer:

  they are rational numbers

Step-by-step explanation:

Any fraction with integers in numerator and denominator is a rational number.

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  5, 6, 7, 11 are integers, so the fractions 5/11 and 7/6 are rational numbers.

8 0
2 years ago
John takes out a loan for $ 10 , 000 at a simple interest rate of 5 % to be paid back in 36 monthly installments.
andrew-mc [135]

The monthly principal and interest payment John will pay monthly is $3,750.04

<h3>What is the amount of principal and interest repayment?</h3><h3 />

Given:

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  • i = 5% / (12 months) = 0.375
  • L = 36 months

M = 10000 \times  \frac{0.375}{ {1 - (1 + 0.375)}^{ - 36} }

M = 10000 \times  \frac{0.375}{ {1 - (1.375)}^{ - 36} }

M = 10000 \times  \frac{0.375}{ {1 - (0.00001049791)} }

M = 10000 \times  \frac{0.375}{ 0.99998950208 }

M = 10000  \times  0.37500393675

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Approximately,

M = $3,750.04

Therefore, John will be be repaying $3,750.04 monthly including principal and interest

Read more on simple interest:

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6 0
1 year ago
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