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Sergeu [11.5K]
2 years ago
7

The length of a side of the base of a square pyramid is 10 inches. The height of each triangular face is 12 inches. What is the

surface area of the pyramid?
A. 70 in.2

B. 160 in.2

C. 300 in.2

D. 340 in.2
Mathematics
2 answers:
galben [10]2 years ago
8 0

Answer:

it's D

Step-by-step explanation:

sergeinik [125]2 years ago
5 0

Answer : D . 340 in. 2

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Efectuati!<br> (-1)+2+(-3)+4+(-5)+...+(-19)+20<br> Ajutati-ma, va rog!
alexira [117]

Answer:10

Step-by-step explanation:

2+4+6+.....+20- (1+3+5+7+...+19)=(2-1)+(4-3)+(6-5)+....+(20-19)=1+1+...+1 ( de 10  ori= 10 times)

=10

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3 years ago
Manuel builds and sells wooden crates. He made a table to show how much his crates cost.
Westkost [7]
The correct answer is 75 :)
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3 years ago
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Find the area and perimeter of the shaded region. Stuck on this one can someone help me
alekssr [168]

Answer:

perimeter-

perimeter outer rectangle = 2 (l+b)

=2×8+9

= 2×17

2×17 =34 cm sq.

perimeter of inner rectangle = 2 (l+b)

= 2×5+3

=2× 8

= 16 cm sq.

perimeter of shaded portion= 34 - 16

= 18 cm sq.

area-

<em>area</em><em> </em><em>of</em><em> </em><em> </em><em>inner</em><em> </em> rectangle =l×b

l×b = 3×5

3×5=15

15 cm sq.

area of outer rectangle =l×b

l×b= 9×8

9×8= 72

72 cm sq.

area of shaded portion = 72 -15 =57 cm sq.

hey there! In second method i have done first area of inner rectangle but you have to do first area of outer rectangle...

hope it helps you....

3 0
3 years ago
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Which of the follwing equations has a quotient with a remainder?
Reptile [31]

Answer: Choice 2) A, B, C

====================================

Explanation:

Use a calculator to find that,

  • 946/32 = 29.5625
  • 1157/11 = 105.1818 approximately
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The first three results have a decimal portion as the answer. So there is a remainder here. The remainder is the leftover bit that couldn't make another full value. Only choice D results in a whole number that isn't a decimal value, so this does not have a remainder.

As a smaller example, let's say we had 20 cookies and 3 people. If we want to divide the cookies evenly, then each person gets 20/3 = 6 full cookies and there would be 2 cookies left over (6*3 = 18 are eaten so 20-18 = 2 is left over). Notice that 20/3 = 6.67 approximately. The non-whole number decimal value indicates we have a remainder. If we had 21 cookies, then each person gets 21/3 = 7 full cookies with nothing left over, so there's no remainder here.

4 0
3 years ago
(a) Work out<br> 8 × 1/1/1<br> x<br> 3<br> Give your answer as a mixed numbers
Mama L [17]

Answer:

well.. 1/1/1 would be 1.

8 x 3 = 24

24x 1 = 24

sooo the answer would be 24...

Step-by-step explanation:

3 0
1 year ago
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