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Alenkinab [10]
4 years ago
10

4. An amusement park developed a program for local fifth grade students to study the

Mathematics
1 answer:
Lesechka [4]4 years ago
5 0

Answer:

A 1460

Step-by-step explanation:

Suppose that it is 185 students multiplied by 14 school districts.

ie 185*14=2590

4050-2590= 1460

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How can you find the product of a number and power of 10 without using paper and pencil or a calculator?
Tcecarenko [31]
Use mental calculation. Do working in your head
7 0
4 years ago
Subtract. (5x2−3x−2)−(−2x2−x+10) Express the answer in standard form. Enter your answer in the box.
Nimfa-mama [501]

Answer:

7x^{2}-2x-12=0

Step-by-step explanation:

we know that

The standard form of the quadratic equation is equal to ax^{2} +bx+c=0

we have

(5x^{2}-3x-2)-(-2x^{2}-x+10)

eliminate the parenthesis

5x^{2}-3x-2+2x^{2}+x-10

group terms that contain the same variable

(5x^{2}+2x^{2})+(-3x+x)+(-2-10)

combine like terms

7x^{2}-2x-12=0

5 0
4 years ago
Read 2 more answers
A survey is taken among customers of a fast-food restaurant to determine preference for Hamburger and Cheeseburger. Of 180 respo
stiv31 [10]

Using it's concept, it is found that the probabilities are given as follows:

a.1/2, 1/9, 5/9.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

In this problem, 90 out of 180 individuals are children, hence the probability is given by:

p = 90/180 = 1/2.

Out of 90 adults, 60 - 50 = 10 preferred cheeseburgers, hence the probability is given by:

p = 10/90 = 1/9.

Of the 180 individuals, 90 are children, and 10 are adults who prefer cheeseburgers, hence the probability is given by:

p = 100/180 = 10/18 = 5/9.

Hence option a is correct.

More can be learned about probabilities at brainly.com/question/14398287

#SPJ1

5 0
2 years ago
Carla has $300 in her bank account. Each time she goes to the ATM, she withdraws $20. Write a function for the amount of money l
arsen [322]
Okay. A function for this situation would be m = 300 - 20x. This is because Carla has $300 left in the bank account and she take out $20 per withdrawal.  As she withdraws more money from the bank, the total amount of money in there gets less and less.
6 0
3 years ago
“there are several approximations used for pi, including 3.14 and 22/7. pi is approximately 3.14159265358979..." a. label pi and
BlackZzzverrR [31]
Hello,

a) | |PA|-π |>| |PB|-π | (see pic)

c) 3.14< x/113 <=π <22/7

==>3.14*113<x<22/7 * 113
==>354.82 <x < 355.14285
==>x=355


Answer 355/113=3,1415929203539823008849557522124



6 0
3 years ago
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