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Evgen [1.6K]
3 years ago
12

Por favor ayúdeme con mi tarea de matemáticas... Son ecuaciones 2x + 4y=10 -x+5=9

Mathematics
2 answers:
Hatshy [7]3 years ago
3 0
X+2y-5=0
x=-4



-x=9-5
-x=4
x=-4
ladessa [460]3 years ago
3 0
The answer is 1748 because I am the 2020 goat and you shall respect me
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Brrunno [24]
.04d + 20. 

This is because even with no miles they charge 20 more and then 4 cents more for any additional mile. 
6 0
3 years ago
42.
anyanavicka [17]

Answer:

$68.97

Step-by-step explanation:

The equation you have to use is I=p(1.45)

If you have a 45% increase to 100, the original price was $68.97.

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2 years ago
Suppose that you earned a​ bachelor's degree and now​ you're teaching high school. The school district offers teachers the oppor
harkovskaia [24]

Answer:

A ) The Amount which will be saved after five years is $ 5742.4

B ) The compound Interest is $ 1742.4

Step-by-step explanation:

The Principal deposited at the end of each year = $ 4000

The rate of interest = 7.5 % compounded annually

The time period = 5 years

From compounded method :

Amount = principal × (1+\dfrac{\textrm rate}{100})^{\textrm time}

or, Amount = $ 4000 × (1+\dfrac{\textrm 7.5}{100})^{\textrm 5}

Or, Amount = $ 4000 × (1.0075)^{5}

or, Amount = $ 4000 × 1.4356

∴ Amount = $ 5742.4

A ) The Amount which will be saved after five years is $ 5742.4

B ) The compound Interest = Amount - principal

   Or, C I = $ 5742.4 - $ 4000 is $ 1742.4    Answer

8 0
3 years ago
HELP!!!!!!! 5 STARS PLEASE HELPPPP
denis23 [38]

Answer:

C

Step-by-step explanation:

4 0
3 years ago
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Nancy needs at least 1000 gigabytes of storage to take pictures and videos on her upcoming vacation. She
balandron [24]

Answer:

The answer to this question can be defined as follows:

In option 1, She buys 4 memory cards.

In option 2, The cost of memory is $40  

Step-by-step explanation:

Given:

Available space is = 105 GB

required space = 1000 GB

256 GB memory cost $10.

Find needed memory:

=  1000 GB - 105 GB

= 895 GB

∴ the available memory is 256 GB.

∵ 256 × 4 = 1024  GB

The total memory she have = 1024 + 105 = 1129 GB

And  she needs to buy 4 memory cards.

The cost of the four memory cards is= 4 ×10 =  $40.

7 0
3 years ago
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