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CaHeK987 [17]
3 years ago
8

A triangular pyramid has these dimensions.

Mathematics
1 answer:
marishachu [46]3 years ago
7 0

Answer: 42 cm3

Step-by-step explanation:

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2. One of the offices at the company was being repainted. Riley’s mother challenged him to figure out how many quarts of paint w
beks73 [17]
Not enough information. The question doesn't say how much one quart of paint covers.

EDIT: here's the solution

we have to find the total area of the 4 walls and subtract the area of the door. there are 2 walls with dimensions 16 by 10, and 2 walls with dimensions 16 by 12. so we have: 2(16*10)+2(16*12)=320+384=704 for the area of the walls. now, we can find the area of the door which is 3*8=24. <span>so we subtract the area of the door from the area of the walls, so we have: 704-24=680. </span><span>Since a quart of paint covers 100, then we divide and get 680/100=6.8 but since we need a whole number of quarts, we round up to get 7 quarts of paint. </span>
4 0
3 years ago
Simplify (6x^2 − 3 + 5x^3) − (4x^3 − 2x^2 − 16).
tatyana61 [14]

Answer:

third choice

Step-by-step explanation:

6x²-3+5x³-4x³+2x²+16

x³+8x²+13

3 0
3 years ago
Write an explicit formula for this table<br><br> Days 1 2 3 4 5<br> Views 17 33 49 65 81
Oksanka [162]

Answer:

Step-by-step explanation:

and it's an arithmetic sequence.

3 0
3 years ago
Find the solution(s) to 2x2 + 5x - 3 = 0. Check all that apply.
Alika [10]

Answer:

x= 1/2 and x= -3

Step-by-step explanation:

Let's solve your equation step-by-step.

2x2+5x−3=0

Step 1: Factor left side of equation.

(2x−1)(x+3)=0

Step 2: Set factors equal to 0.

2x−1=0 or x+3=0

x=

1

2

or x=−3

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4 years ago
The quadratic function f(x) = x^2 has ________.
Elza [17]
C. Exactly two zeros
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