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4 years ago

What is 0.663 to the nearest 10th

Mathematics

2 answers:

gogolik [260]4 years ago

8 0

Answer:

0.7

Step-by-step explanation:

0.663 rounds up to 0.7 because the number in the hundredths is above 5.

sashaice [31]4 years ago

6 0

Answer:

Step-by-step explanation:

The tenth place decimal is the one directly to the right of the decimal point. This means your guide (the number deciding whether you round up or down is in the hundredths. Your guide is over 5 meaning the 6 round up to 7.

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Please solve for x....<br> 13x+13=104

lana [24]

You need to get x alone. So first you bring the 13 over and it becomes negative because it switches signs when switching sides
13x=104-13
13x=91
The you have to divide by 13 since you are multiplying on the other side
X=91/13
Your final answer should be
X=7

6 0

3 years ago

A plane traveled 240 miles. The trip was with the wind. It took 3 hours. The trip back was into the wind. The trip back took 6 h

sveta [45]

Answer:

Plane speed is 60 miles/hour

Wind speed is 20 miles/hour

Step-by-step explanation:

Lets suppose the speed of the plane in still air is s and speed of the wind is w and since speed in the formula below equals speed of the plane plus the wind's speed so speed=s+w for this journey with the wind

$Speed=\frac{Distance}{Time}$

$Distance=Speed*Time$

For the first journey the trip with the wind:

$Distance=Speed*Time\\240=(s+w)(3)\\240/3=s+w\\s+w=80$

Here we got our first equation for the second equation we use the information from the second trip which was into the wind. Which means the speed here would be speed=s-w

$Distance=Speed*Time\\240=(s-w)*6\\240/6=s-w\\s-w=40$

so now we got our two equations adding both equations would result into the following:

$s+w=80\\s-w=40\\2s=120\\s=60$

so speed of the plane is 60 miles/hour put the value of s in any our two equations to calculate the wind speed, lets take the first equation:

$s+w=80\\60+w=80\\w=80-60\\w=20$

so the wind speed is 20 miles/hour

8 0

3 years ago

a plant grows at a constant rate. lokesh records the height of the plant each week. The unit rate is measured in inches per week

Slav-nsk [51]

I know you already got this answered, but I need points. Can I get brainliest?

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3 years ago

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Last Friday DeShawn had $7. Over the weekend he received some money for cleaning the attic. He now has $21. How much money did h

hodyreva [135]

Answer:

he earned 14 dollars

Step-by-step explanation:

if you are looking for how much did he earn you take the number that they started with and subtract it from what they have after so the equation is $21-$7 and thats how much he eaened

7 0

3 years ago

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Uncle percy only has 10% of teashirts he started with if he has 25 now how many did he start with

nataly862011 [7]

Answer:

250

Step-by-step explanation:

Since you are looking for the amount of shirts he had you will need to divide 25 by .10 or just multiply by 10.

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3 years ago

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