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Nuetrik [128]
2 years ago
6

A child is building a triangular tower. The first (bottom) row of the 12-row tower is made with 12 blocks. Each successive row

Mathematics
2 answers:
likoan [24]2 years ago
6 0

i have answered this question before let me post an image

qaws [65]2 years ago
6 0

Answer:

It's the 1st option

Step-by-step explanation:

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What is the surface area of the figure?
Oliga [24]

Answer:

The total surface area = 582 ft²

Step-by-step explanation:

To find the surface area of it count the number of faces at first

The figure has 8 faces each 2 are equal

1- Two faces with dimensions 4 ft and 15 ft ( base and shaded face)

2- Two faces with dimensions 9 ft and 4 ft

3- Two faces with dimensions 4 ft and 6 ft

4- Two faces with dimensions 15 ft , 9 ft and 6 ft

Area of (1-) = 2(4 × 15) = 120 ft²

Area of (2-) = 2(4 × 9) = 72 ft²

Area of (3-) = 2(4 × 6) = 48 ft²

Area of (4-) = 2[(9 × 9) + (6 × 15)] = 2[81 + 90] = 2 × 171 = 342 ft²

∴ The total surface area = 120 + 72 + 48 + 342 = 582 ft²

5 0
3 years ago
HELP PLEASE ONE QUESTION I DONT GET IT 6th GRADE MATH
grigory [225]

Answer:

-2.65

Step-by-step explanation:

-1.2 - 1.45 = -2.65

you could just simplify fraction into decimal and use calculator

8 0
2 years ago
Read 2 more answers
Mr. Cooper ask his students whether they prefer to go to the aquarium or the planetarium for a field trip. The table shows the r
nirvana33 [79]
Could you give some information? The table would be really good, I’d be able to help you more efficiently. ☺️
4 0
3 years ago
Mrs Johnson has $110 to spend on parking will cost $12 and admission tickets will cost $140 per person including tax
Vaselesa [24]

<em>The answer is Ms Hernandez can bring up to 6 people to the zoo.</em>

<em />

<em>x -  the number of people that she can bring to the zoo</em>

<em>The parking will cost $7: a = 7</em>

<em>Admission tickets will cost $15.50 per person: b = 15.50x</em>

<em>She can spend on parking and admission tickets $100:</em>

a + b ≤ 100

a = 7

b = 15.50x

7 + 15.50x ≤ 100

15.50x ≤ 100 - 7

15.50x ≤ 93

x ≤ 93 / 15.50

x ≤ 6

5 0
3 years ago
Solve for m. 5m+72=−2m+52 Drag and drop the answer into the box.
dybincka [34]

Answer:

-20/7

Step-by-step explanation:

5m +72 = -2m + 52

5m + 2m = 52-72

7m = -20

m = -20/7


6 0
3 years ago
Read 2 more answers
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