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Anna71 [15]
3 years ago
13

The cost of downloading a book from a certain website is $5.99. The cost of downloading a video is $7.99. Tatum's mom downloads

3 books and 5 videos. How much did she spend on downloads?
Mathematics
2 answers:
jekas [21]3 years ago
6 0
The easiest way to answer this question is by rounding $5.99 and $7.99 to $6.00 and $8.00. Then multiply 3 by 6 and 5 by 8. 3 * 6 = 9 5 * 8 = 40 40 + 9 = 49. Now to find the exact answer, seeing as $5.99 is 1 cent away from $6.00 and $7.99 is one cent away from $8.00, we can do 3 * 1 = 3 and 5 * 1 = 5 3 + 5 = 8, we can see that $49 is 8 cents over. From there we subtract the 8 cents from the $49 and see that the amount she spent on downloads was $48.92.
zaharov [31]3 years ago
4 0
The Answer Is 57.92 But the easiest way to do it is Rounding it
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F(x)=3x means the same thing as y=3x but is written in function notation.<br> A. true <br> B. false
Darya [45]
False I think it is if I’m right
4 0
3 years ago
Does anyone know the answers to this ? Pls help me out
Reptile [31]

Answer:

C. 4

Step-by-step explanation:

2x³+2x¹+2x+5+4/x-1

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3 years ago
Standard form of a point that goes through-2,4 and the slope is -1/7
lesantik [10]

<u>Answer:</u>

Standard form of a line passing through (-2, 4) and having slope of  -1/7 is x + 7y = 26

<u>Solution:</u>

Given that we need to determine standard form of a line that goes through (-2 , 4) and slope of the line is -1/7

Standard form of line passing through point ( a , b ) and having slope m is given by

(y – b) = m ( x – a)   --------(1)

In our case given point is ( -2 , 4 ) and slope is -1/7 that means

a = -2 , b = 4 , m = -(1/7)

On substituting given value of a , b and m is equation (1) we get

(y-4)=\left(-\frac{1}{7}\right)(x-(-2))

=>(y-4)=\left(-\frac{1}{7}\right)(x+2)

=> 7( y - 4 ) = -x – 2

=> 7y + x = -2 + 28

=> x + 7y = 26  

Hence standard form of a line passing through (-2,4) and having slope of –(1/7) is x + 7y = 26

8 0
3 years ago
Change the following mixed number to an improper fraction. Reduce if possible.<br><br> 7 81/1000
pogonyaev

The answer is 7081/1000

7 0
3 years ago
Read 2 more answers
HELP PLEASE if I don’t turn this in it’ll make my grade drop to a 60% I will give brainiest to whoever answers this!
GenaCL600 [577]
2) Larger triangle is twice as large as the smaller one so x is 16
3) 16/12.8= 1.25 (This is the scale factor)
for y: 10/1.25=8
for x: 30/1.25=16
4) 8/6.4=1.25 (Scale factor)
for y: 14/1.25=11.2
for x: 15/1.25= 12
5) 22.5/9= 2.5 (scale factor)
for x: 12x2.5=30
for y: 35/2.5= 14
6) No because the scale factor is 2 but 14/8 does not equal to 2
7 0
2 years ago
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