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3 years ago

−5 1/4÷2 3/4 pls help quick

Mathematics

2 answers:

Gelneren [198K]3 years ago

8 0

It’s -1.90909 repeating

Aliun [14]3 years ago

4 0

It’s -1.90909 repeating.

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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

Six more than a number y

Flura [38]

Answer:

wdum

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Please help I really don’t understand this

Vinil7 [7]

You input the values and the equation would end up as

-5 = -3/2 (6) + b

You use y = mx + b

Y is -5
M is the slope = -3/2
X is 6
B is the y intercept but that is not given

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3 years ago

When x^2-2x + 14 is divided by x-1 the remainder is?<br> Is it 13?

julsineya [31]

Yes, 13 is the remainder.

See dat pic for full solution.

5 0

3 years ago

9.054 x 10^-6 in standard form

ki77a [65]

0.000009054
it’s five zeros after that decimal.

8 0

3 years ago