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Ghella [55]
3 years ago
11

Calculate the area of the following shape. full answer/explanation please

Mathematics
1 answer:
DerKrebs [107]3 years ago
7 0
To find the area of this entire shape, we must divide it into two rectangles.

The first rectangle is on the bottom of the shape, with a length of 8 cm and a width of 3 cm.

The second rectangle is on the top of the shape. The length is (8-5) cm and the height is (7-3) cm.

To find the area of the total shape, we must add the areas of the two rectangles. To find the area of the rectangle, we use the formula, A = l * w.

8 * 3 = 24 cm^2
3 * 4 = 12 cm^2

24 sq cm + 12 sq cm = 36 square centimeters.

Therefore, the area is 36 square centimeters. Hope this helps! :)
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steposvetlana [31]

Answer:

Non terminating

Step-by-step explanation:

4/5=0.8 so non terminating

Hope this helps :D

6 0
3 years ago
Create a real-life situation that can be describe with the unit rate 9:1. Describe how quantities are related.
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4 0
3 years ago
Last year, the mean running time for a certain type of light bulb was 8.5 hours. This year, the manufacturer has introduced a ch
Free_Kalibri [48]

Answer:

H0 : μ = 8.5

H1 : μ > 8.5

1 sample t test ;

Test statistic = 2.53

Pvalue = 0.994

No, we fail to reject the Null ;

There is no significant evidence to support the Claim that the mean running time of light bulb is greater Tha last year.

Step-by-step explanation:

H0 : μ = 8.5

H1 : μ > 8.5

Test statistic :

(xbar - μ) ÷ (s/sqrt(n))

(8.7 - 8.5) ÷ (0.5 / sqrt40)

Test statistic = 2.53

The Pvalue :

P(Z < 2.53) = 0.9943

Pvalue = 0.994

Decison region :

Reject H0 ; if Pvalue < α

0.9943 > 0.05 ; We fail to reject the Null

5 0
3 years ago
4 consecutive integer that add up to 30
lapo4ka [179]

7 + 7 + 7 + 7 = 30

7 repeats itself 4 times to equal 30

3 0
4 years ago
Read 2 more answers
Find A to the nearest degree if cos A = 0.7660
STALIN [3.7K]

Answer:

A = 40^\circ

Step-by-step explanation:

Use the inverse cosine function.

\cos A = 0.7660

A = \cos^{-1} 0.7660

A = 40^\circ

5 0
4 years ago
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