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Lisa [10]
3 years ago
13

I don't get this one

Mathematics
1 answer:
CaHeK987 [17]3 years ago
6 0

maybe

8.4 \:  \times 10 ^{7}

8.4 \times 10 {}^{8}

I'm confused in both

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Dean downloaded 9 apps onto his tablet in 12 seconds. At this rate, how many apps could he download in one minute?(12 seconds =1
Maurinko [17]

Answer:

45 apps

Step-by-step explanation:

1 minute has 60 seconds

If 12 seconds equals to 9 apps

60 seconds equals to x apps

Cross multiplying

x=\frac {60\times 9}{12}=45 apps

Therefore, Dean downloads 45 apps in 1 minute

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3 years ago
Find the supplement to each angle of 100°
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Heather bought a CD on sale for $11 and a book that cost $14 the sales tax rate is 5% how much tax did Heather pay for both item
Travka [436]
Add 11 and 14 = 25. Then change 5% to a decimal or .05. 25 x .05= $1.25 this is the tax. Add $25 to $1.25. Answer is $26.25
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3 years ago
Jason bought pecans in bulk at the grocery store. He paid $19.20 for
murzikaleks [220]

Answer:

0.59 cents

Step-by-step explanation:

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Then you divide $9.60 by 16(ounces) = $0.59 cents (or $.0.60, rounded, but is closest to that answer)

8 0
3 years ago
For the equations y=3.5x and y=25x + 40.50, x represents time in hours and y represents cost in dollars . Which equation is not
CaHeK987 [17]

Answer:

y=25x+40.50 is not the equation of proportional relationship because if you were to graph the equation, the line would not go through the origin of the graph. You can tell beause of the y-intercept that is given in the equation, 40.50.

Step-by-step explanation:


7 0
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