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jekas [21]
3 years ago
5

When solving an equation, Carmen's first step is shown below. Which property justifies Carmen's first step? plz help me

Mathematics
1 answer:
Damm [24]3 years ago
7 0

Answer:

the addition property of equality

Step-by-step explanation:E

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Can someome please help me solve this my teacher hasn't done a good with teaching us this.
scoundrel [369]

Answer:

  30500 = 3.05·10^4

Step-by-step explanation:

Your calculator can do this for you. You may need to set the display to scientific notation, if that's the form of the answer you want.

__

This can be computed by converting both numbers to standard form:

  (5·10^2) +(3·10^4)

  = 500 +30000 = 30500 = 3.05·10^4

__

Addition of numbers in scientific notation in general requires that they have the same power of 10. It may be convenient to convert both numbers to the highest power of 10.

  5·10^2 + 3·10^4

  = 0.05·10^4 +3·10^4 . . . . now both have multipliers of 10^4

  = (0.05 +3)·10^4

  = 3.05·10^4

5 0
3 years ago
If I spin the spinner 200 times, how many times may I expect it to land on<br> blue?
vitfil [10]

Answer:

m

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Two months ago, Marty’s dog weighed 3712 pounds. The dog was put on a diet and exercise plan and now weighs 2914 pounds. How muc
deff fn [24]

Answer:

Step-by-step explanation:

3712-2914= 798 pounds

5 0
2 years ago
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At a drive through restaurant Juan’s family ordered a small drink and m medium drinks. Alex’s family ordered m medium drinks and
sertanlavr [38]

<u>Answer: </u>

Expression x + 2my + z represents cost of order where x, y, z are cost of small , medium and large drinks (in dollars) respectively.

<u>Solution: </u>

Given that  

Juan’s family ordered a small drink and m medium drinks.

Alex family ordered m medium drinks and a large drink.

Need to write an algebraic expression which shows total cost of both order in dollars.

Let’s assume cost of one small drink = x

And assume cost of one medium drink = y

And assume cost of one large drink = z

So now cost of order of Juan’s family is equal to cost of 1 small drink + cost of m medium drinks = 1 \times x + m \times y

= x + my

And cost of order of Alex family is equal to cost of m medium drinks + cost of one large drink

= m x y + 1 x z

=my + z

So total cost of both order in dollars = x + my + my + z = x + 2my + z

Hence expression x + 2my + z represents cost of order where x , y , z are cost of small , medium and large drinks (in dollars) respectively.  

5 0
3 years ago
Each day, Karen makes 37 loaves of bread at the bakery where she works. Each loaf of bread requires 6 cups of flour. One pound o
Vika [28.1K]
55.5
37 loaves at 6 cups each is 222 cups
4 cups to a pound means dividing the 222 cups by 4 leaves you with 55.5 pounds
5 0
3 years ago
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