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Vika [28.1K]
3 years ago
10

A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.

Mathematics
2 answers:
kumpel [21]3 years ago
7 0

Answer:

Step-by-step explanation:

Bingel [31]3 years ago
3 0

Answer:

I think it is add to eliminate x

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How much time would it take to earn $45 simple interest on an investment of $790 if the annual rate of return was 3.4%?
Tanzania [10]

Answer:

<u>I will take around 1 year and 8 months to earn $ 45 of interest on this investment</u>

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Interest earned = $ 45

Investment = $ 790

Annual simple interest rate = 3.4% = 0.034

2. How much time would it take to earn $45?

Let's recall the formula for calculating the simple interest of an investment:

A = P * (1 + rt)

Replacing with the values we already have:

835 = 790 + (1 + 0.034t).

Where t is the time we want to calculate

835 = 790 + 26.86t

26.86t = 835 - 790

26.86t = 45

t = 1.68 (Rounding to the next hundredth)

<u>t ≅ 1 year and 8 months</u>

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3 years ago
Please help me 3/5 of 7kg
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The answer is 4.2 kilograms. Multiple 3/5 × 7
4 0
3 years ago
Carl wants to estimate the number of students in 5th grade who like to play basketball. He needs to create a random sample of st
mylen [45]

Answer:

ask 30 5th grade students

Step-by-step explanation:

if you only ask a certain group then you wont get a accurate answer

6 0
3 years ago
Taylor purchased three types of items (bags of candy, picture frames, and some packs of stickers) from a store. The bags of cand
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Answer:

D

Step-by-step explanation:

To write an expression and equation, define the variables.

Taylor purchased three types of items:

x = number of bags of candy

y = number of picture frames

z = number of stickers.

We know she bought 9 items.

So x+y+z = 9.

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3 years ago
Calculate the probability of being dealt the following poker hand. (Recall that a poker player is dealt 5 cards at random from a
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4 years ago
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