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REY [17]
3 years ago
14

How to solve 1/4(4r-12)=r-2

Mathematics
1 answer:
Cloud [144]3 years ago
7 0
Multiply 1/4 (4r -12) = r-2

r-3 = r-2

Subtract r from each side

-3= -2 this equation has no solution
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PLEASE HELP!!! I am struggling
cestrela7 [59]

The ball will be at height 19 feet first at 0.7 sec and then at 1.42 sec.

<u>Explanation:</u>

We need to find the time at which the ball will be at height 19 feet.

Equation:

h = 3 + 34t - 16t²

19 = 3 + 34t - 16t²

16 = -16t² + 34t

-16t² + 34t - 16 = 0

On solving the equation, we get

t1 = 0.7 s and t2 = 1.42s

Therefore, the ball will be at height 19 feet first at 0.7 sec and then at 1.42 sec.

4 0
4 years ago
Samantha just opened a new restaurant. She earned $550 on the first day and $750 on the third day that she was open for business
mr Goodwill [35]

Answer:

Step-by-step explanation:

If Samantha's earnings continue to increase at the same rate, this means that her earning is increasing arithmetically.

If she earned $550 in the first day, we can say the first term is $550

If she earned $750 on the third day, we can say the third term is $750

For us to know by how much her money is increasing, we need to find the common difference d formed by the sequence

550, x , 750

T1 = 550

T2 = x

T3 = 750

Common difference d = T2-T1 = T3-T2

x - 550 = 750 - x = d

Let's calculate the second term first i.e x

Since x - 550 = 750 - x = d

x - 550 = 750 - x

Collect like terms

x+x = 750+550

2x = 1300

x = 1300/2

x = 650

d = T2-T1

d = x - T1

d = 650-550

d = 100

Hence her money keeps increasing by $100 each day

8 0
3 years ago
Find the measure of an angle that is four hundred eighty-five less than four times its supplement.
Ludmilka [50]
Is 121.25 because 485 divided by 4 is 121.25
4 0
3 years ago
The first side of a triangle measures 3 in. less than the second side, the third side is 2 in. more than the first side, and the
Debora [2.8K]

Answer:

P = 3x - 4

Step-by-step explanation:

Side 1 = x - 3

Side 2 = x

Side 3 = 2 + (Side 1) = 2 + x - 3 = x - 1

Perimeter = 20 in

Perimeter = Side 1 + Side 2 + Side 3

Perimeter = (x - 3) + (x) + (x - 1)

Perimeter = x - 3 + x + x - 1

Perimeter = 3x - 3 - 1

Perimeter = 3x - 3 - 1

Perimeter = 3x - 4

P = 3x - 4

5 0
3 years ago
Shelley's basketball team won 3/4 of their games last season. In 1/6 of the games they won, they outscored their opponents by mo
iVinArrow [24]

Let the total number of games be x.

Number of games Shelley's team won = \frac{3}{4} x

Number of games they outscored

their opponents by more than 10 points = \frac{1}{6} × \frac{3}{4} x

= \frac{1}{8} x

Hence, 1/8 of the total games, Shelley's team won by 10 points.

6 0
4 years ago
Read 2 more answers
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