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IgorLugansk [536]
2 years ago
10

Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!

Mathematics
2 answers:
lisabon 2012 [21]2 years ago
4 0
A=45 degree I had the same example ... Even if a angle is 90 degrees is not necessarily a right triangle, so the angle A = 45 degrees
maria [59]2 years ago
3 0
A=48.81 (2dp)
Below is how I did it

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If 5% of an amount equals 800,000, then what is that amount? Please I confused, can someone help me!
kondor19780726 [428]

Answer:

the amount is 16,000,000

Step-by-step explanation:

first let that amount be Y for an example. so...

\frac{5}{100}*Y=800,000

\frac{5Y}{100}=800,000

5Y=800,000*100

5Y=80,000,000  (then you both divide by 5 in both sides so that Y is left alone.)

So      Y=16,000,000

so the amount you are looking for is 16,000,000

7 0
2 years ago
Find the area of the isosceles trapezoid below by using the area formulas for rectangles and triangles.
marusya05 [52]
The area of the isosceles trapezoid is 136 cm2

To find the area of the trapezoid, first we need to make an exact triangle to the other side of the trapezoid, just like in the diagram is showing, ( so you will have 2 triangles in the trapezoid, thinks about that the triangle that is on the diagram is reflecting to the other side) then we have a rectangle on the center of the trapezoid, we use the area formula which is would be 8x13=104, then we take the area formula of the triangle and substitute, which would be (1/2)8x4=16, we multiply 16 by 2 to get 32, this would be the area of the two triangles plus the area of the rectangle which is 104 gives a total of 136 cm2

Hope this help!!! :)
5 0
3 years ago
Sum of $12000 from a financing company for 3 years at 15% per annum. What is the total interest he paid in 3 years
Dahasolnce [82]
So there are many factors to this, but lets assume the basics:

-He made equal payments every month for 36 months

assuming that is true, the answer is $2,975.42

Assuming that is NOT true and he made NO monthly payments at all and at the end paid the entire balance, the interest would be $6,250.50 
7 0
2 years ago
Read 2 more answers
Ammeters produced by a manufacturer are marketed under the specification that the standard deviation of gauge readings is no lar
AURORKA [14]

Answer:

0.101

Step-by-step explanation:

Given that :

Standard deviation, s = 0.2

Sample variance, s² = 0.0653

Sample size, n = 10

Population variance = σ² = 0.04

We use the Chi square distribution :

(n - 1)s² / σ²

For P(s² ≥ 0.065)

(n - 1)s² / σ² = (10 - 1)*0.0653 / 0.04

(n - 1)s² / σ² = 0.585 / 0.04 = 14.625

P(s² ≥ 14.625) = 0.101 ( chi squee calculator).

8 0
2 years ago
Joe determined the mass of 2 boxes using a scale. Since the cost of each box is the same, Joe would like to choose the box with
Naddika [18.5K]

Answer:

32.012 kg < 32.02 kg

Step-by-step explanation:

32.012 kg < 32.02 kg

7 0
3 years ago
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