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2 years ago

PLEASE HELP !! ILL GIVE 40 POINTS ; PLUS BRAINLIEST !! DONT SKIP ANSWER.

Mathematics

1 answer:

nadya68 [22]2 years ago

8 0

Answer:

its A

Step-by-step explanation:

trust me man

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Please answer this correctly

Katarina [22]

Answer:

SA = 1,176 ft².

Step-by-step explanation:

To find the surface area of the triangular prism, we can solve for the rectangular base, both triangular faces, and lateral sides separately.

For the rectangular base: (Use formula l×w)

20 × 18 = 360 ft²

For the triangular faces: (Use formula 1/2(b·h)

1/2(18 × 12) = 108 ft²

Since there are two faces, we need to double the amount.

108 × 2 = 216 ft².

Finally, solve for the lateral sides:

20 × 15 = 300 ft².

There are two sides, so:

300 × 2 = 600 ft².

Add up all of these areas:

600 + 216 + 360 = 1,176 ft²

5 0

3 years ago

a carpenter has a board that is 8 feet long he cuts of 2 pieces one piece is 3 and a half feet long the other is 2 and one feet

kakasveta [241]

3 1/2 I think
8-3 1/2=5 1/2
5 1/2-2=3 1/2

5 0

2 years ago

Read 2 more answers

Add 5/8 inch, 11/16 inch, and 27/32 inch.

noname [10]

Hi,

Work:

Equation;

$\frac{5}{8} + \frac{11}{16} + \frac{27}{32}$

Write all numerators above the least common denominator 32.

$\frac{5 + 11 + 27}{32}$

Calculate the sum of positive numbers.

$\frac{69}{32}$

Simplify (FRACTION RESULT)

$2 \frac{5}{32}$

Or (DECIMAL RESULT)

$2.15625$

Hope this helps.
r3t40

6 0

2 years ago

Read 2 more answers

A roller coaster begins at 90 feet above ground level. Then it descends 105 feet. Find the height of the coaster after the first

shepuryov [24]

It’s D 90-105 is -15

3 0

2 years ago

What is the simplest form of 13/14

OleMash [197]

13/14 is already in simplest form because they have no common factors.

7 0

3 years ago

Read 2 more answers