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Ket [755]
4 years ago
8

Surface area of the pyramid

Mathematics
1 answer:
koban [17]4 years ago
5 0

Answer:

the answer is 71.2

Step-by-step explanation:

4×4=16

6.9×2=13.8

13.8×4=55.2

55.2+16=71.2

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A school field is 10 m wide and 50 m length. If a fence is put all around. What will be the total length of the fence
kykrilka [37]
Hi there!

We are looking for the circumference of the school field. When we assume that the field is a rectangle, we can use the following formula for finding its circumference.

Circumference = 2 × length + 2 × width
Plug in the length and width from the question.

Circumference = 2 × 50 + 2 × 10
Multiply first (remember: PEMDAS).

Cirxumference = 100 + 20
And finally add.

Circumference = 120.

Hence, the total length of the fence will be 120 meters.
~ Hope this helps you!
3 0
3 years ago
Read 2 more answers
Every month, Jim makes $49 less than his best friend Keenan.
ad-work [718]

Answer:

m+49=d ; d-49 = m

Step-by-step explanation:

Jim $ = m

Keenan $ = d

m+49=d ; d-49=m

btw please lmk if i get this wrong

6 0
2 years ago
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Complete the circles so that the sum of any three consecutive digits is 10<br><br>2000000010
crimeas [40]
Where are the circles? when asking questions please provide and the information
7 0
3 years ago
Use I = PRT to solve. (time is in years) Find R. [?]% (Give your answer as a percent.) P = $1,200 1 = $99 T = .75 years Enter​
KatRina [158]

Answer:

Rate = 0.11%

Step-by-step explanation:

Using I = PRT

Where,

  • P = Principal = $1200
  • R = Rate = ✘
  • T = Time in years = 0.75 years
  • I = Interest = $99

⟼ I = PRT

Substitute values

⟼ 99 = 1200 × 0.75 × ✘

Multiply

⟼ 99 = 900✘

Divide both sides by the coefficient of ✘

⟼ 99/900 = ✘

⟼ ✘ = 0.11

Therefore, Rate is 0.11%

7 0
2 years ago
(x2 + 17x + 63) ÷ (x + 8) = A. x + 10 remainder –9 B. x + 9 remainder – 5 C. x + 9 remainder –9 D. x + 7 remainder –10
Lady_Fox [76]
Thank you for posting your question here in brainly. The answer to the above equation is letter C which is <span> x + 9 remainder –9. Please see below solution:

x2 + 17x + 63 / x + 8 = x + 9 r-9
x2 + 8x 
        9x   + 63
        9x   + 72 
                 -9</span>
5 0
3 years ago
Read 2 more answers
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