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Novay_Z [31]
3 years ago
12

Please help me with this

Mathematics
2 answers:
natali 33 [55]3 years ago
8 0
Your answer would be 5


vovikov84 [41]3 years ago
5 0
Because "20+30" is inside parentheses, you must combine 20 and 30 FIRST.  Next, divide your result by 10.  That's your answer.
Here we are following "order of operations" rules (sometimes referred to as "PEMDAS."  Know these rules?  if not, please learn them.
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A ver y Strong wind is Blowing over a big lake. A flock of geese begins their 5(10)3 meter journey home over the lake. For every
maksim [4K]
<span>The geese are required to make a 5000 meter journey. For every 500 meters they travel forward they are blown back 50 meters. Therefore rather than traveling forward 500 meters, they travel forward only 450 meters. Presumably this happens during the whole course of each section of the flight, so when they travel fractions of the distance they are blown back in the same proportion. Since each 450 meter gain requires 3 minutes, and it will take 11.11111 450 meter sections of flight, it will take 33.333333 minutes. Since they leave at 11:30, they will arrive at 12:03 and roughly twenty seconds.</span>
7 0
3 years ago
Assignment due soon! Need help
Natali [406]
Answer: 30°

Step by step explanation:
1) Supplementary angles add up to 180°
2) (2x+10)+(5x-40)=180
3) solve for x
4) x=30
6 0
3 years ago
The GRE is an entrance exam that many students are required to take in order to apply to graduate school. In 2014, the combined
zlopas [31]

The probability that a randomly selected score is greater than 334 will be 0.02275.

<h3>What is a normal distribution?</h3>

The Gaussian Distribution is another name for it. The most significant continuous probability distribution is this one. Because the curve resembles a bell, it is also known as a bell curve.

The z-score is a statistical evaluation of a value's correlation to the mean of a collection of values, expressed in terms of standard deviation.

The GRE is an entrance exam that many students are required to take in order to apply to graduate school. In 2014, the combined scores for the Verbal and Quantitative sections were approximately normally distributed with a mean of 310 and a standard deviation of 12.

Then the probability that a randomly selected score is greater than 334 will be

The z-score is given as

z = (x - μ)/σ

z = (334 - 310)/12

z = 24/12

z = 2

Then the probability will be

P(x > 334) = P(z > 2)

P(x > 334) = 1 - P(x<334)

P(x > 334) = 1 - 0.97725

P(x > 334) = 0.02275

More about the normal distribution link is given below.

brainly.com/question/12421652

#SPJ1

6 0
2 years ago
PLEASE I NEED HELP CLICK ON THIS IMAGE
lesantik [10]

Answer:

261

Step-by-step explanation:

I took each number and divided each of them by 9 until I got a whole number with no decimals.

261 ÷ 9 = 29

6 0
2 years ago
A grocery store buys a pound of coffee for $5.40 and uses a mark-up rate of 25%. Find the selling price.
yanalaym [24]

Answer:

noah

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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