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4 years ago

Everything I don't understand the process

Mathematics

1 answer:

MissTica4 years ago

6 0

Question 5.
The function given shows represents height after a certain time. The distance measures is initial distance till the distance covered when the time is calculated. The question has given us an initial distance of 100 feet and they want us to calculate the time when the egg hits the ground, or, in other words, 0 feet. So, next, we substitute this information in the equation.

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Solve 7x - 12 = k for x

shtirl [24]

Answer:

x = 1/7(k+12)

Step-by-step explanation:

7x - 12 = k

Add 12 to each side

7x - 12+12 = k+12

7x = k+12

Divide each side by 7

7x/7 = (k+12)/7

x = 1/7(k+12)

5 0

3 years ago

Jack has some marbles. He has ten more red marbles than blue marbles. He has fewer yellow marbles than blue marbles.

kap26 [50]

Answer:

Jack has at least 15 marbles: 12 red, 2 blue and 1 yellow.

Step-by-step explanation:

1. Let's review the information given to us to solve the problem correctly:

Number of red marbles = 10 more than blue marbles

Number of yellow marbles fewer than blue marbles

2. How many of each color marble could Jack have?

r = Number of red marbles

b = Number of blue marbles

y = Number of yellow marbles

r = b + 10

y < b

If y = 1, then b ≥ 2, and r = b + 10,

fulfilling the three conditions, we have:

y = 1, b = 2, and r = 12

5 0

3 years ago

The numbers of cars (c) in the parking lot increases when the parking fee (f) decrease. Write the correct equation for this scen

vodka [1.7K]

So when one goes up, the other goes down. This is an inverse equation.

An inverse equation looks like this: y = 1/x

In this case, when parking fee (f) decreases, cars (c) increase.
You know which side to put each variable on using the chart they gave you.
f | c
20.00 15 (20.00 = x/15) x=300
30.00 10 (30.00 = x/10) x=300

So your equation in this case is f = 300/c
Knowing that, plug in the fee of 6.00

6 = 300/c Multiply both sides by c.
6c = 300 Divide both sides by 6.
c = 50 cars

5 0

3 years ago

What is the principal if... Rate = 22% Time 1 year Interest = $110

Zanzabum

Answer:

Interest=PTR/100

110 =P×1×22/100

11000=22P

P=500

8 0

3 years ago

What is 63/80 as a percent?

Romashka [77]

63/80 x 100 = 78.8%

You divide normally but multiply by 100 (moving the decimal over two places).

6 0

3 years ago

Read 2 more answers