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Law Incorporation [45]
3 years ago
7

78% of 380 round to the nearest thenth if necessary

Mathematics
1 answer:
Crank3 years ago
4 0
So I learned this really cool way of finding percents of numbers in my 7th grade math class, hopefully this will help! 
In most percent word problems it will have specific wording. For example: What is 25% of 100. Or 75 is 30% of what number? Those are examples of some of the wording (and random numbers) those word problems might use.
The trick is: \frac{is}{of} =  \frac{percent}{100} 

so if i have a word problem that says: what IS 15% of 600? here is how your equation would look. \frac{x}{600} =  \frac{15}{100} 
Because you don't know what the "is" is, then you would put x there. If it say 40 is 17% of what? than it would look like this... \frac{40}{x} =  \frac{17}{100}
To solve just cross multiply or use basic algebra to solve. Using basic algrbra on that last problem I just wrote out would look like this: x= \frac{40 * 100}{17}
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Find the measure of the numbered angle.
Mila [183]
The angle adjacent to angle 6 is the one we need to find first.  To do this, add the measures of the intercepted arcs and divide by 2.  60 + 50 = 110, and half of that is 55.  That means that both adjacent angles to the angle 6 are 55 (vertical angles are congruent).  The measure of all the angles added together is 360 and angle 6 is vertical to the other "sideways" angle, so they are congruent as well.  360 - 55 - 55 = 250.  Split that up between angle 6 and its vertical angle to get that each of those measure 125.  Angle 6 measures 125, choice b from above.
4 0
4 years ago
The cast of the play makes 275 programs for 5 shows. How many programs will be needed for 13 shows?
Advocard [28]
715 because 275/5= 55 then 55x13 will give you 715
8 0
3 years ago
If a data set showing types of pizza ordered at a particular restaurant indicates 24 out of 72 orders were for pepperoni pizza,
Pepsi [2]

Answer:120 degrees

Step-by-step explanation:

24 out 72 orders:.

We have total of 360° in a pichart,

So degrees that will be needed to represent 24 out of 72 on pie chart is :

Pizza= (24 / 72 ) * 360°

Pizza=8640 / 72

Pizza= 120°

4 0
3 years ago
The probability distribution for a
Tpy6a [65]

Answer:

P(x \le -3) =0.30

Step-by-step explanation:

Given

The attached probability distribution of x

Required

Find P(x \le -3)

To do this, we consider all values of x less than or equal to-3.

So, we have:

P(x \le -3) =P(x=-5) + P(x = -3)

From the table:

P(x=-5) = 0.17

P(x = -3) = 0.13

So, the equation becomes

P(x \le -3) =P(x=-5) + P(x = -3)

P(x \le -3) =0.17 + 0.13

P(x \le -3) =0.30

3 0
3 years ago
What is 85.807 rounded to the nearest tenth?
MissTica

85.8 the 0 makes you stay the same

5 0
3 years ago
Read 2 more answers
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