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3 years ago

The solution to 5-3x> 35 is either x >-10 or -10> x which solution is correct

Mathematics

1 answer:

maw [93]3 years ago

6 0

Answer:

x < - 10

Step-by-step explanation:

Given

5 - 3x > 35 ( subtract 5 from both sides )

- 3x > 30

Divide both sides by - 3, reversing the symbol as a result of dividing by a negative quantity.

x < - 10 Or - 10 > x

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A track star in Arizona ran the 100 meter dash event is six track meets. Her average time for all six meets was 11.8 seconds. Sh

natima [27]

Answer:

A track star in Arizona running time in the last meet was 11.5 seconds.

Step-by-step explanation:

Given:

average time for all six meets = 11.8 seconds.

Time for 1st meet = 11.7 seconds.

Time for 2nd meet = 11.6 seconds.

Time for 3rd meet = 12 seconds.

Time for 4th meet = 12.1 seconds.

Time for 5th meet = 11.9 seconds.

We need to find the running time for her last meet.

Solution:

Let the running time for her last meet be 'x'.

So we can say that;

average time for all six meets is equal to sum of Time for 1st meet, Time for 2nd meet, Time for 3rd meet,Time for 4th meet, Time for 5th meet and time for her last meet and then divided by 6.

framing in equation form we get;

$\frac{11.7+11.6+12+12.1+11.9+x}{6}=11.8\\\\\frac{59.3+x}6 =11.8$

Now Multiplying both side by 6 we get;

$\frac{59.3+x}{6}\times 6= 11.8\times6\\\\59.3+x=70.8$

Now Subtracting both side by 59.3 we get;

$59.3+x-59.3=70.8-59.3\\\\x=11.5 \ s$

Hence A track star in Arizona running time in the last meet was 11.5 seconds.

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3 years ago

One of the angles formed by two intersecting lines is 30°. What is the measure of the other three angles?

Helen [10]

Answer:

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Step-by-step explanation:

there are multiple ways you could get to this answer. the easiest way is to use linear angles (angles that will add up to 180°). so 180°-30°=150°. then use vertical angles (angles across from each other at an intersection are always equal) and figure out that 30° and 150° are the last two angles

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3 years ago

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3 years ago

high school the high school graduating class of 2010 was 260 people . 5 years later the high school graduating class was 320 peo

pogonyaev

Answer:

Approximately 23%

Step-by-step explanation:

we know that

The high school graduating class of 2010 was 260 people

5 years later the high school graduating class was 320 people

In this problem

260 people represent the 100%

using proportion

Find out what percentage represent the difference (320-260)=60 people

Let

x -----> the percentage

$\frac{260}{100\%}=\frac{60}{x}\\\\x=100\%(60)/260\\\\x=23.08\%$

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Stephen's glass holds 450 milliliters of milk. Farrah's glass holds 2\5 as much milk. How much milk does Farrah's glass holds?

padilas [110]

Farrahs glass holds 180 milliliters of milk.

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