Need help with geometry. Finding the slant height of a pyramid

Mathematics

1 answer:

Setler [38]3 years ago

4 0

980 ÷ 14 = 70 In.

So, the answer is 70 in.

Hope This helps!~

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Tony and Cleo are donating some of their books to a hospital. If Tony contributes half of his books and Cleo gives one third of

liraira [26]

Short Answer: Tony 40 Cleo 30
Givens
T = Tony
C = Cleo

Equations
1/2 T + 1/3 C = 30 (1)
2/5 T + 1/2 C = 31 (2)

Adjustments
Multiply (1) by 3
Multiply (2) by 2

New Equations
3/2 T + C = 90 (1a)
<u>4/5 T + C = 62</u> (2a) Subtract (2a) from (1a)
(3/2 - 4/5)T = 28 the common multiple of 2 and 5 = 10.
(15/10 - 8/10)T = 28
7/10 T = 28 Multiply by 10
7T = 28*10
7T = 280 Divide by 7
T = 280/7 = 40

Put T = 40 into (1)
1/2 T + 1/3 C = 30
1/2 (40) + 1/3 C = 30
20 + 1/3 C = 30 Subtract 20 from both sides.
1/3 C = 30 - 20
1/3 C = 10 Multiply through by 3
C = 10 * 3
C = 30

Answer:
Cleo has 30 books.
Tony has 40 books.

Check
<em>Use Equation 2</em>
2/5 T + 1/2 C = 31
2/5*40 + 1/2 * 30 = ? 31
16 + 15 =?3`
31 = 31 They are equal.

4 0

3 years ago

Select the correct answer.

IRISSAK [1]

Answer:

B is tbe correct option here

3 0

3 years ago

If x plus 3/4 = 1, then which point on the number line could be x?

Fed [463]

Answer:

x=1/4