3 years ago

For each question, calculate the slope of a line that passes through the points

Mathematics

1 answer:

LekaFEV [45]3 years ago

8 0

I don’t know it’s hard tho

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Solve the equation Square root of x minus 5+ 7 = 11 for the variable. Show each step of your solution process. (10 points)

Murrr4er [49]

$\sqrt{x - 5} + 7 = 11$

$(\sqrt{x-5}) ^{2} = (4)^{2}$

|x - 5| = 16

x - 5 = +/- 16

x - 5 = 16 or x - 5 = -16

+5 +5 +5 +5

x = 21 or x = -11

Answer: x = {21, -11}

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3 years ago

Danielle has taken five math tests so far this year. The tests are out of twenty points, and she has gotten the following scores

Doss [256]

Answer:

Danielle score must be 18

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2 years ago

Calculate the resistance of a 270-cm length of copper wire with a 0.030-cm2 cross-sectional area. ( = 1.8 · 10-6 ohm-cm) R = ___

devlian [24]

Answer:

Given:-

The length of copper wire (L) = 270 cm

Area of cross-sectional (A) = 0.030 $cm^2$

and specific resistance (ρ) = $1.8 \times 10^{-6}$ ohm-cm.

Use the formula R=(Specific resistance*L)/A, to calculate the Resistance(R)

then, $R=\frac{1.8 \times 10^{-6} \times 270}{0.030}$ ohm

Simplify:

R = 0.0162 ohm = $1.62\times 10^{-2}$ ohm

Therefore, the resistance of copper wire is, $1.62\times 10^{-2}$ Ω

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3 years ago

Evaluate m² + 12q if m = 5 and q = -3

Vsevolod [243]

Answer: -11

Step-by-step explanation: 5 squared is 25 and 12(-3) is 36 and 25+-36=-11

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3 years ago

4. Select all expressions equivalent to 5 *x+6+ (8x + 24).

KonstantinChe [14]

Answer:

Step-by-step explanation:

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3 years ago

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