3 years ago

Will mark brainly 1,2,3,4, and 5 if you can:)

Mathematics

1 answer:

oksano4ka [1.4K]3 years ago

3 0

Answer:

1. A 2. B 3.D 4.C 5. E

Step-by-step explanation:

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soldi70 [24.7K]

Answer:

A = 6.36

Step-by-step explanation:

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3 years ago

What is the resistance of a 1.00X10^2 -Ω , a 2.50-kΩ , and a 4.00-k Ω resistor connected in parallel?

Andreas93 [3]

Answer:

Therefore, the total Resistance: R = 93.9 Ω

Step-by-step explanation:

Given

R₁ = 1 × 10²

R₂ = 2.5 kΩ = 2.5 × 10³ Ω

R₃ = 4 kΩ = 4 × 10³ Ω

Given that the given resisters are connected parallel, so using the formula to calculate the total Resistance R:

$\frac{1}{R}\:=\:\frac{1}{R_1}\:+\:\frac{1}{R_2}+\frac{1}{R_3}$

susbtituting R₁ = 1 × 10², R₂ = 2.5 × 10³ Ω, and R₃ = 4 × 10³ Ω

$\frac{1}{R}=\frac{1}{1\times \:10^2}+\frac{1}{2.5\times \:10^3}+\frac{1}{4\times \:10^3}$

Multiply by LCM of R, 100, 2500, and 4000: 20000 R

$\frac{1}{R}\cdot \:20000R=\frac{1}{1\cdot \:10^2}\cdot \:20000R+\frac{1}{2.5\cdot \:10^3}\cdot \:20000R+\frac{1}{4\cdot \:10^3}\cdot \:20000R$

simplify

$20000=213R$

Switch sides

$213R=20000$

Divide both sides by 213

$\frac{213R}{213}=\frac{20000}{213}$

Simplify

$R=\frac{20000}{213}$

$R = 93.9$ Ω

Therefore, the total Resistance: R = 93.9 Ω

4 0

3 years ago

Solve the inequality and represent your solution on the number line below. <br>-3x + 14< 5

Solnce55 [7]

Answer: X > 3

Step-by-step explanation:

You want to subtract 14 on both sides and you will get -3x < -9. Then you divide -3 on both sides -3x/3 > -9/-3 and you should end up with x < 3. Since you divided by the negative number you switch the sign from ">" to "<"

Hope this helps and sorry if it did not.

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3 years ago

0.25 divided <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B4%7D" id="TexFormula1" title="\frac{1}{4}" alt="\frac{1}{4}" ali

kogti [31]

Answer:

it equals to 1 ive taken the test multiple times!!!

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3 years ago

Terry earns $10 per hour at Big Bob's Burgers. Jill earns 20% less than Terry and Jerry earns $0.50 more per hour than Jill. Whi

Dmitrij [34]

I would say around $5.50

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3 years ago

Read 2 more answers