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3 years ago

Marly gets 5 gems every 5 minutes. If Marely has 180 gems, how many minutes have passed?

2 answers:

7 0

Find out how many gems Marly can get in a minute.

5 gems = 5 minutes

1 gems = 5 divided by 5 = 1 minute

180 gems = 1 x 180 = 180 minutes

180 minutes have passed.

emmasim [6.3K]3 years ago

4 0

Answer:

180

Step-by-step explanation:

It is one gem per minute.

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If you invest $250.00 in an account that pays a simple interest rate of 4%, how long will you need to leave the money in the acc

labwork [276]

Answer:

Step-by-step explanation:

1. A = P(1 + rt) is the formula for simple interest where A is the final amount, P is the principal amount, r is the interest rate (annual), and t is the number of time periods, or time in years (most often)

2. $25 of interest means your total amount will be $275, so A = $275. P = $250. r = .04. We are trying to find t.

3. $275 = $250(1+.04t)

4. (275/250)(1.04) = t t = 1.05

5. This means you will need to wait 2 years to earn $25 in interest

8 0

3 years ago

What method would you use to factor x^2-16

Umnica [9.8K]

<h2>Hello!</h2>

We can factor the given expression using the following special factoring formula,

Difference of Squares Factoring:

$a^{2}-b^{2}=(a+b)*(a-b)$

So, for the given expression we have that:

$a=\sqrt{x^{2} }=x\\b=\sqrt{16}=4$

Therefore,

$x^{2}-16=(x+4)*(x-4)=x*x-4*x+4*x-16=x^{2}-16$

Have a nice day!

5 0

4 years ago

Read 2 more answers

I want a good person who no really good at math and solve it

azamat

Dimensions:
Prism A:
Length = 4 ft ; Width = 2 ft ; Height = 4 ft

Prism B:
Length = 4 ft ; Width = 6 ft - 2 ft = 4ft ; Height = 2 ft

Volume = Length * Width * Height

V Prism A = 4ft * 2ft * 4ft = 32 ft³
V Prism B = 4ft * 4ft * 2ft = 32 ft³

Volume of the L shaped figure = V Prism A + V Prism B
V of L = 32 ft³ + 32 ft³
V of L = 64 ft³

3 0

3 years ago

Anything helps :) um bbut yeah okay please help

Rom4ik [11]

Answer:

PM = 26.1

Step-by-step explanation:

If they are both similar shapes, each side must be scaled up to the same factor. To find the missing side length, you must know that the side lengths are multiplied by the exact same number. Knowing this, you can set the ratio of the side lengths equal to each other and then cross-multiply to find the missing side length.

$\frac{IJ}{MN} = \frac{LI}{PM}$ <----- Ratio

$\frac{15}{49} = \frac{8}{x}$ <----- Insert side lengths

15x = 392 <----- Cross multiply

x = 26.1 <----- Divide both sides by 15

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2 years ago

How many time does 8 go into 27

iogann1982 [59]

It is: 27/8 = 3 with a remainder of 3

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4 years ago

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