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marshall27 [118]
3 years ago
9

6. Chris can buy an online magazine

Mathematics
2 answers:
lakkis [162]3 years ago
7 0

Answer:

$6.88

Step-by-step explanation:

We are trying to compare two options: Buying a magazine for 12 months or for just 1 year.

To solve this, we can multiply the monthly rate by 12 because there are 12 months in a year.

5.99 x 12 = 71.88

The other option is to just pay $65 dollars for a whole year (12 months).

Comparing the two options, we see paying for the whole year is cheaper than paying for each month individually. Because of this, we can subtract $65, the cheaper option, from $71.88 to get $6.88

Chris will save $6.88 by paying for the whole year instead of purchasing for each month.

AlexFokin [52]3 years ago
7 0
Answer this by using system of equations. Say y=total money spent and x=number of years. y=5.99x and y=65
now set these equations equal to each other
5.99x=65
x=10.851419
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Could you show it step by step please and thank you
m_a_m_a [10]
1.To find the triangle area is base x height : 4.33 x 5=21.65
Perimeter : 5+5+5=15

2. 6•3=18+(3•2)=18+6=24=area
16=perimeter

3. Not sure

4. 12•17=204=area
Perimeter : 13+17+17=47

Hoped I helped!
8 0
3 years ago
Which function is the inverse of y = 1/4x^2 - 1, where x < 0
kykrilka [37]

Answer:

B

Step-by-step explanation:

25 x 25= 625

625-1= 624

B= y= -(200 + 1) which to the square root = 625

5 0
3 years ago
I need help on which ever one you would like to do :)
alexgriva [62]

Answer:

a. k = n - 1     b. 15    c. 112

Step-by-step explanation:

I can answer a. b. and c. for you!

For a. let's say that the variable k means keys. And n means bits.

Since Millie can collect one less keys than there are bits, the equation is....

*See top*

For b. if Antonio  has a 16-bit system, by looking at our equation we know that k = n - 1.

So, if n = 16, k = 15

For c. if each byte equals 8 bits, and there are 14 bytes, then the amount of bits would be 8 x 14.

8 x 14 = 112

3 0
3 years ago
Can someone help me with these two problems please!!!!!
forsale [732]

Answer:

The question at the top is:

Factor  

x 2 + 2 x − 63

using the AC method.

( x − 7 ) ( x + 9)

WHICH THE ANSWER IS (B)

The question at the bottom is:

Factor  

x 2 + 18 x + 80

using the AC method.

( x + 8 )  ( x + 10 )

WHICH IS ANSWER (C)

Step-by-step explanation:

Hope this helped! :)

5 0
3 years ago
Four more than the quotient of a number and 5 is equal to 9
sweet-ann [11.9K]

Answer:

x=25

Step-by-step explanation:

x/5+4=9

x/5=9-4

x/5=5

x=5*5

x=25

4 0
3 years ago
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