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Drupady [299]
3 years ago
9

No links please

Mathematics
1 answer:
Alja [10]3 years ago
8 0
Answer: A 40 feet

Explanation:
If a building is 380 feet tall and the elevator has to descend 420 feet to get to the underground parking garage. So 420 - 380 to remove the height of the building from the equation. This would give us 40 feet underground left until the elevator reaches its desired destination.
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Evaluate the expression for a^2 + b ÷3 when a = 3 and b = 6
Flura [38]

Answer:

11

Step-by-step explanation:

3^2 + 6/3

9 + 2

11

8 0
3 years ago
Solve this equation for x: x2 + 11x + 28 = 0
saw5 [17]

Answer:

Step-by-step explanation:

The answer is factor the trinomial

5 0
3 years ago
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1. To determine simple interest, we use the formula i=prt where i is the interest, p is the principal or initial amount, r is th
Andrews [41]

Step-by-step explanation:

To determine simple interest, we use the formula

I=Prt

where I is the interest, p is the principal or initial amount, r is the interest rate is in the unit of years and t is the time in years

When the times is 3 years , then we plug in 3 for 't' directly

I=Pr(3)\\

we know that 1 year = 12 months

Suppose, the time is given in months then we divide time 't' by 12

When the times is 4 months , then we plug in 4 for 't' and divide by 12

I=\frac{Pr(4)}{12}

we know that 1 year = 365 days

Suppose, the time is given in days then we divide time 't' by 365

When the times is 45 days , then we plug in 45 for 't' and divide by 365

I=\frac{Pr(45)}{365}

5 0
3 years ago
A square on a coordinate plane is translated 9 units down and 1 unit to the right. Which function rule describes the translation
Sauron [17]

Answer:

x+1, y-9

Step-by-step explanation:

5 0
3 years ago
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Olga is putting a border around her triangular flower bed. She has 20 feet of border material, which will fit perfectly around t
spayn [35]

Answer:

60 feet

Step-by-step explanation:

We know that a triangle has 3 sides, in this case we will call them a, b and c.

It tells us that everything is material, it measures 20, that is:

a + b + c = 20

They tell us that she wants to triple each side and to know how much material she would need in total. Then it would be:

border material need = 3 * a + 3 * b + 3 * c

common factor 3:

border material need = 3 * (a + b + c)

border material need = 3 * 20

border material need = 60

Which means that she needs a total of 60 feet of material.

3 0
3 years ago
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