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Stels [109]
3 years ago
8

How long is the width of a rectangle if it has a diagonal of 20, and a length of 12?

Mathematics
1 answer:
hoa [83]3 years ago
3 0
D=Vl^2+w^2

20=V 12^2+W^2

400= 144+w^2
w^2=400-144
w^2=256
w=V256
w=16 
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35. A can of popcorn is to be packed in a box for shipping as shown. The can is 18 inches tall and has a radius of 7 inches. The
lianna [129]

The amount of packing material is 1506 cubic inches

<h3>How to determine the amount of packing material?</h3>

The given parameters are:

<u>Can</u>

Radius, r = 7 inches

Height, h = 18 inches

<u>Box</u>

Base dimension, l = 15 inches

Height, h = 19 inches

The volume of the can is:

V = \pi r^2h

So, we have:

V_1 = 3.14 * 7^2 * 18

V_1 = 2769

The volume of the box is

V =l^2h

So, we have:

V_2 =15^2 * 19

V_2 =4275

The amount of packing material is;

Amount = V2 - V1

This gives

Amount = 4275 - 2769

Evaluate

Amount = 1506

Hence, the amount of packing material is 1506 cubic inches

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4 0
1 year ago
There are 10 history books in a bookcase. When
Salsk061 [2.6K]

Answer:

D) 140

Step-by-step explanation:

140% of 10 is 14 and 14 added to ten is 24

8 0
2 years ago
On the same winter morning, the temperature is -28f in Anchorage,Alaska and 65f in Miami,Florida. How many degrees warmer was it
Xelga [282]
C. 90 degrees warmer
5 0
3 years ago
Read 2 more answers
A company find that 4 1/4 % of the tyres are defective. The company made 28,000 tyres. How many tyres were defective?
Bumek [7]

Answer:

595 pairs of tyres are defective.

Step-by-step explanation:

4.25×28000

____

100

0.0425×28000

1190 Total no. of defective tyres

1190 divide total tyres by 2 to get the exact pairs of defective tyres.

____

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595 tyresof shoes are defective.

3 0
3 years ago
The nth term of a sequence is given by 3n² + 11 Calculate the difference between the 6th term and the 9th term of the sequence.​
katovenus [111]

The difference between the 6th term and the 9th term of the sequence is 135

<h3>How to determine the difference</h3>

Given that the nth term is;

3n² + 11

For the 6th term, the value of n is 6

Let's solve for the 6th term

= 3( 6)^2 + 11

= 3 × 36 + 11

= 108 + 11

= 119

For the 9th term, n = 9

= 3 (9)^2 + 11

= 3( 81) + 11

= 243 + 11

= 254

The difference between the 6th and 9th term

= 254 - 119

= 135

Thus, the difference between the 6th term and the 9th term of the sequence is 135

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4 0
2 years ago
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