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2 years ago

89 m 80 m What is the length of the missing leg

Mathematics

1 answer:

sergiy2304 [10]2 years ago

6 0

Answer:

119.67

Step-by-step explanation:

a^2 + b^2 =c^2

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7 times a number is 8 less than the square of that number. Find the negative solution.

charle [14.2K]

Answer:

-1

Step-by-step explanation:

The required relation is ...

7n = n^2 -8

0 = n^2 -7n -8 . . . . put in standard form

0 = (n -8)(n +1) . . . . factor

Solutions are n=8 and n=-1.

The negative solution is -1.

7 0

2 years ago

If a baseball player get a hit in 31% of his at-bats, what is the probability that he will

solong [7]

Given:

A baseball player get a hit in 31% of his at-bats.

To find:

The probability that he will get a hit 5 at-bats in a row.

Solution:

Since, a baseball player get a hit in 31% of his at-bats, therefore

Probability that he get a hit = $\dfrac{31}{100}$

= $0.31$

Now, the probability that he will get a hit 5 at-bats in a row is

$P=0.31\times 0.31\times 0.31\times 0.31\times 0.31$

$P=(0.31)^5$

$P=0.0028629151
$

Therefore, the required probability is $(0.31)^5$ and it can be written as 0.0028629151 .

3 0

2 years ago

Find the percent of change from

Mashcka [7]

Answer:

option 4

Step-by-step explanation:

Percent change is calculated as

$\frac{change}{original}$ × 100%

change = 15 - 10 = 5 , then

percent change = $\frac{5}{10}$ × 100% = 5 × 10% = 50%

8 0

2 years ago

HELP ASAP 7TH GRADE MATH (30 POINTS)

Digiron [165]

Question 8 is false that’s all i know

3 0

3 years ago

Is 56/72 and 7/9 proportional

Andreas93 [3]

Answer:

Yes. They are proportional.

Step-by-step explanation:

$\frac{56}{72} =\frac{7}{9}$

$0.777=0.777$

The left side 0.777 is equal to the right side 0.777, which means that the given statement is always true.

True

4 0

2 years ago