3 years ago

CAN someone help me with this pls WILL GIVE BRAINLIEST

Mathematics

1 answer:

MA_775_DIABLO [31]3 years ago

4 0

The second one, It’s 1,875

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V = I ( R + r )<br> r = ?

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Answer:

r = $\frac{V-IR}{I}$

Step-by-step explanation:

Given

V = I (R + r) ← distribute parenthesis

V = IR + Ir ( subtract IR from both sides )

V - IR = Ir ( divide both sides by I )

$\frac{V-IR}{I}$ = r

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By how many factors of did 10 did you multiply 0.0008 why

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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3 years ago

Yen paid $10.50 for 2.5 pounds of pretzels. What price did she pay for each pound of pretzels?

11111nata11111 [884]

The first step is to multiply by a power of 10, so the divisor is a whole number.

The nest step is to divide, by figuring out how many time 25 goes into 105 .

Step-by-step explanation:

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3 years ago

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Alexandra paid $7 to park her car for 3 hours at the parking garage. The garage charges a constant hourly parking rate. Write an

Goshia [24]

Let's first find the hourly parking rate:

$\dfrac{\$ 7}{3 \,\textrm{hours}} = \dfrac{p}{1 \,\textrm{hour}}$

Set up

$\$ 7 \cdot 1\,\textrm{hour} = p \cdot 3 \,\textrm{hours}$

Cross multiply over the = sign

$\$ 7 = 3p$

Divide both sides by $1 \,\textrm{hour}$

$p = \dfrac{\$ 7}{3} = \$ \dfrac{7}{3}$

Divide both sides by 3

The hourly rate is $\$ \dfrac{7}{3}$ , so now let's make that into an equation.

$c = \$ \dfrac{7}{3} p$

This equation says that the cost is equivalent to the rate of $\$ \dfrac{7}{3}$ multiplied by the number of hours parked

The equation is $\boxed{c = \$ \dfrac{7}{3} p}$ .

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3 years ago

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