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Alexus [3.1K]
3 years ago
10

Is a triangle with sides 7 feet, 12 feet, and 14 feet a right, acute or obtuse triangle?

Mathematics
1 answer:
tresset_1 [31]3 years ago
7 0

Answer:

Acute

Step-by-step explanation:

This should be an acute triangle because if this was a right angle, then the three sides should be figured out by the Pythagorean Theorem.

An obtuse angle wouldn't be right either, you need an angle to be over 90.

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(8x + 31) X<br> (16x - 9)
Marysya12 [62]

Answer:

<u>128x^2+424x-279 </u>

Step-by-step explanation:

Use the distributive property to get the answer

Use this for refrence https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-ditributive-property/a/distributive-property-explained

Hope this Helps!

7 0
4 years ago
Read 2 more answers
In a certain city with a working population of 10,500 , 8925 people and less than $75,000 per year what is a percentile rank of
zysi [14]

Answer:

The percentile rank of someone who earns $75,000 per year is the 85th percentile.

Step-by-step explanation:

Meaning of percentile:

When a value V is said to be in the xth percentile of a set, x% of the values in the set are lower than V and (100-x)% of the values in the set are higher than V.

In this question:

Working population of 10,500

8,925 people earn less than $75,000 per year.

8925/10500 = 0.85

0.85*100 = 85

The percentile rank of someone who earns $75,000 per year is the 85th percentile.

4 0
3 years ago
Can 1.31 be a probability
m_a_m_a [10]
If it is always a decimal, than it will always be a probability. 
7 0
4 years ago
Five hundred people attend a charity event, and each buys a raffle ticket. The 500 ticket stubs are put in a drum and thoroughly
AURORKA [14]

Answer:

The sample is a Simple Random sample.

explanation:

A simple random sample is the process where there is equal chance of selecting each member of a population to form a sample. in the example stated in the question there are equal chances of selecting every ticket among the five hundred ticket of the participant so as to form another set of ten tickets that win a prize.

6 0
3 years ago
A laptop has a listed price of $699.99 before tax. If the sales tax rate is 6.75%, find the total cost of the laptop with sales
Nookie1986 [14]

The total cost of the laptop with sales tax included is to the nearest cents is 747.24 dollars.

<h3>What is sales tax?</h3>

A sales tax is a consumption tax imposed by the government on the sale of goods and services

In other words, sales tax is an amount of money, calculated as a percentage, that is added to the cost of a product or service when purchased by a consumer at a retail

A laptop has a listed price of $699.99 before tax.

The sales tax rate is 6.75%.

Total cost of the laptop with sales tax included can be calculated as follows:

sale tax = 6.75% of 699.99

sale tax = 6.75 / 100 × 699.99

sale tax =  4724.9325 / 100

sale tax = 47.249325 dollars

Therefore,

Total cost of the laptop with sales tax included =  47.249325 + 699.99 = 747.239325 dollars = 747.24 dollars.

learn more on sales tax here: brainly.com/question/17236543

#SPJ1

4 0
1 year ago
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