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miss Akunina [59]

3 years ago

13

Solve each calculation. Be sure to report your answer with the correct number of decimal places. 7.365 ms 0.250 ms + 10.3 ms ms

125.010 cL 4.1023 cL – 0.30 cL cL

1 answer:

Darya [45]3 years ago

3 0

Answer:

1.17.9

2. 120.61

Step-by-step explanation:

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Mn bisects jl at k if jk= x-3 and kl=13-3x

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3 years ago

Solve 4x^2 + 43 = 120. Round to the nearest hundredth.

Lady bird [3.3K]

4x² + 43 = 120
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<span>
The solutions are ±4.39</span>

4 0

3 years ago

NEED HELP ASAP 30 POINTS WILL BE GIVEN TO BRAINLIEST

WINSTONCH [101]

we know that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have

$G(-1,3)\ H(1,2)\ J(-3,-1)$

Step 1

<u>Find the slope GH</u>

$G(-1,3)\ H(1,2)$

substitute in the formula

$m=\frac{2-3}{1+1}$

$m=\frac{-1}{2}$

$mGH=-\frac{1}{2}$

Step 2

<u>Find the slope HJ</u>

$H(1,2)\ J(-3,-1)$

substitute in the formula

$m=\frac{-1-2}{-3-1}$

$m=\frac{-3}{-4}$

$mHJ=\frac{3}{4}$

Step 3

<u>Find the slope JG</u>

$J(-3,-1)\ G(-1,3)$

substitute in the formula

$m=\frac{3+1}{-1+3}$

$m=\frac{4}{2}$

$mJG=2$

Step 4

Verify if triangle GHJ is a right triangle

we know that

if two lines are perpendicular, then the product of their slopes is equal to minus one

so

$m1*m2=-1$

compare slope GH with slope JG

we have

$mGH=-\frac{1}{2}$

$mJG=2$

$-\frac{1}{2}*2=-1$ -----> side GH and side JG are perpendicular

The triangle GHJ is a right triangle

The answer in the attached figure

4 0

3 years ago