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3 years ago

Taylor has saved $99 for a tablet. That is 45% of the cost of the tablet. How much does the tablet cost?

Mathematics

2 answers:

Fynjy0 [20]3 years ago

8 0

Answer:

$220 is the cost of the tablet

Step-by-step explanation:

99 divided by .45= 220

gayaneshka [121]3 years ago

7 0

Answer:

$220

Step-by-step explanation:

Make a proportion

We know that 99 over some number (x) must equal 45%

99/x=45/100

Cross multiply

45x=9,900

Divide by 45 on both sides

x=220

So, the tablet costs $220

Hope this helps! :)

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Use the distributive property -5 {x + 4} + -3x + -9x + -7

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Answer:

-17x - 27

Step-by-step explanation:

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3 years ago

On a cold day, hailstones fall with a velocity of 2i − 6k m s−1 . If a cyclist travels through the hail at 10i m s−1 , what is t

Paraphin [41]

Answer:

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The angle at which hailstones falling relative to the cyclist is $\theta = 36.86^\circ$

Step-by-step explanation:

Given : On a cold day, hailstones fall with a velocity of $2\hat{i}-6\hat{k}\text{ m/s}$ . If a cyclist travels through the hail at $10\hat{i} \text{ m/s}$ .

To find : What is the velocity of the hail relative to the cyclist and At what angle are the hailstones falling relative to the cyclist?

Solution :

The velocity of the hailstone falls is $V_h=2\hat{i}-6\hat{k}\text{ m/s}$

The velocity of the cyclist travels through the hail is $V_c=10\hat{i} \text{ m/s}$

The velocity of the hail relative to the cyclist is given by,

$V_{hc}=V_h-V_c$

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$V_{hc}=2\hat{i}-6\hat{k}-10\hat{i}$

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