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3 years ago

6th grade math please Answer me will Mark Brainliest

Mathematics

1 answer:

RSB [31]3 years ago

8 0

Answer:

Step-by-step explanation:

The mean is the central/middle of the data set

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What is the length of LM if L(3,4) and M(1,-2)? Round to the nearest tenth.

kari74 [83]

Answer:

We conclude that the length of LM if L(3,4) and M(1,-2) will be:

$d = 6.3$

Hence, option D is correct.

Step-by-step explanation:

Given

L(3,4)

M(1,-2)

Determining the length of LM

(x₁, y₁) = (3, 4)

(x₂, y₂) = (1, -2)

The length of the distance between (x₁, y₁) and (x₂, y₂) can be determined using the formula

$d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}$

substituting (x₁, y₁) = (3, 4) and (x₂, y₂) = (1, -2)

$=\sqrt{\left(1-3\right)^2+\left(-2-4\right)^2}$

$=\sqrt{2^2+6^2}$

$=\sqrt{4+36}$

$=\sqrt{40}$

$=\sqrt{4\times 10}$

$=\sqrt{2^2\times \:10}$

$=2\sqrt{10}$

$=6.3$

Therefore, we conclude that the length of LM if L(3,4) and M(1,-2) will be:

$d = 6.3$

Hence, option D is correct.

5 0

3 years ago

What is the slope of (3,-20),(5,8)

fomenos

The equation for slope is y² - y
 x² - x

So it would be: 8 - (-20) or 8 + 20
 5 - 3 5 - 3

28
2

Then, you have to reduce it, divide both by two.

14
1

Since it is over 1, then it is just the numerator.

Your final is:
Slope = 14

4 0

3 years ago

The hypotenuse of a triangle is one foot more than twice the length of the shorter leg. The longer leg is seven feet longer than

Serhud [2]

Start by calling the shortest side $s$ . We then know that the longer leg (call it $l$ ) is 7 feet longer i.e. $l=s+7$ . We also know that the hypotenuse, $h$ is 1 foot more than twice the short leg i.e. $h=2s+1$ . We now have 3 unknowns but only 2 equations to solve them. Luckily we know this is a right triangle so we can use the Pythagorean Theorem as our third equation:
$a^{2}+b^{2}=c^{2}$
Substituting known values:
$s^{2}+(s+7)^{2}=(2s+1)^{2}$
This is now an equation in one variable and can be solved algebraically for $s$ . Back-substitution can then be used for the other sides.

4 0

3 years ago

Please help meeeeee-A gardener measures the tallest of his prize-winning sunflowers and finds that the height is 65 in. The sunf

liraira [26]

65 + 12.1 = x

x = 77.1

7 0

3 years ago

HELP PLS Could use some assistance

geniusboy [140]

Answer:C

Step-by-step explanation:

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3 years ago