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fenix001 [56]
3 years ago
11

I don’t know how to do this help :(

Mathematics
1 answer:
katen-ka-za [31]3 years ago
5 0
A of trapezium = ((a+b)/2)(h)
A = ((10+10+4)/2)(8)
A = (24/2)(8)
A = 12(8)
A = 94
The area is 94ft²
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What is 7/8+4/7 please help
Alinara [238K]
The answer is 1 25/56 

I hope this helps!
8 0
3 years ago
Read 2 more answers
Solve for h and c to find what h and c equals; 34.50=4h+7c and 30.50=8h+3c
Irina18 [472]
34.5=4h+7c
(34.5-7c)/4=h
Put h= (34.5-7c)/4 into another equation
30.5=8h+3c
30.5=2(34.5-7c)+3c
30.5=69-14c+3c
11c=38.5
c=38.5/11
Put c=38.5/11 into one of the equations
to calculate the h.


4 0
3 years ago
Please help me! in need of help due tomorrow!​
julsineya [31]

Answer:

Step-by-step explanation:

(1). A = π r²

A = 4 π

Area of shaded region is \frac{4\pi *260}{360} = \frac{26}{9} \pi or \frac{26\pi }{9}

(2). C = 4 π

In this case, the length of the bigger arc and the area of shaded region happen to be the same.

The length of the arc ADB is  \frac{26}{9} \pi or \frac{26\pi }{9}

3 0
1 year ago
If a box is 12.2 cm by 9.8 cm by 16.4 cm, what is the volume of the box?
sp2606 [1]
To find volume multiply length, width, and height.
12.2 x 9.8 x 16.4 =1960.784
The answer is 1960.748 cm.
4 0
3 years ago
During a 60 minute television program, 25% of the time is used for commercials and 5% of the time is used for the opening and cl
aksik [14]

Answer:

42 minutes

Explanation:

The total amount of anything expressed in percentage is 100%.

The reason for this is that per cent means per hundred.

So, 100% is

100

×

1

100

=

100

×

1

100

=

1

, which is a whole.

Moving to the question, a total of 25% + 5% = 30% of the time is used up by commercials and credits.

The time left for the program is 100% - 30% = 70%.

This is 70% of 60 minutes or

70

100

×

60

=

7

0

1

00

×

6

0

=

Step-by-step explanation:

3 0
3 years ago
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