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alexandr1967 [171]
3 years ago
12

The area of a rectangle is 48 cm² and the length of the rectangle is 8 cm longer than the width. What is the equation you would

use to solve width?
Mathematics
1 answer:
ehidna [41]3 years ago
5 0
48= l*w
l= 8+w

To solve for width, substitute the value of l in the first equation so that everything is in terms of w.

Final answer: 48= (8+w)*w
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The LCD is a + 1 (a + 1)³ (a + 1)6
Naily [24]

Answer:

1

Step-by-step explanation:

8 0
3 years ago
An urn contains 5 red balls and 2 green balls. Two balls are drawn one after the other. What is the probability that the second
AleksAgata [21]

Answer:

<em>The probability that the second ball is red is 71%</em>

Step-by-step explanation:

<u>Probabilities</u>

We know there are 5 red balls and 2 green balls. Let's analyze what can happen when two balls are drawn in sequence (no reposition).

The first ball can be red (R) or green (G). The probability that it's red is computed by

\displaystyle P(R)=\frac{5}{7}

The probability is's green is computed by

\displaystyle P(G)=\frac{2}{7}

If we have drawn a red ball, there are only 4 of them out of 6 in the urn, so the probability to draw a second red ball is

\displaystyle P(RR)=\frac{5}{7}\cdot \frac{4}{6}=\frac{10}{21}

If we have drawn a green ball, there are still 5 red balls out of 6 in the urn, so the probability to draw a red ball now is

\displaystyle P(GR)=\frac{2}{7}\cdot \frac{5}{6}=\frac{5}{21}

The total probability of the second ball being red is

\displaystyle P(XR)=\frac{10}{21}+\frac{5}{21}=\frac{5}{7}=0.71

The probability that the second ball is red is 71%

7 0
3 years ago
Is 15b+4=25.6 equivalent to 0.6+15b+4=25.6
pychu [463]
No because
15b + 4 = 25.6
15b = 21.6
b = 1.44

0.6+15b+4 = 25.6
4.6 + 15b = 25.6
15b = 21
b = 1.4

The answers are not the same therefore they are not equivalent.
3 0
3 years ago
A line goes through the points (4, 5) and (2, -6). Write the equation of the line in point-slope
Lerok [7]

Answer:

m (slope) = \frac{11}{2}

Step-by-step explanation:

point-slope form: m= \frac{y2-y1}{x2-x1}

(4, 5)   (2, -6)

x1  y1   x2  y2

-------------------

\frac{-6 - 5\\}{2 - 4} = m

-6 - 5 = -11

2 - 4 = -2

m = \frac{11}{2}

5 0
2 years ago
)A mule deer can run one over four of a mile in 25 seconds. At this rate, which expression can be used to determine how fast a m
makvit [3.9K]
Well, if you take x to be 25 seconds, there are 2.4x in 1min. So, that multiplied by 60, would be 144x. Therefore, 1/4 multiplied by 144x should be the answer.
6 0
3 years ago
Read 2 more answers
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