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Molodets [167]
2 years ago
9

What expression is equivalent to -3(6x+7)+4(7x+2)

Mathematics
1 answer:
GarryVolchara [31]2 years ago
7 0

Answer:

10x-13

Step-by-step explanation:

First Distribute:

-18x-21+28x+8

Then combine like terms:

10x-13

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Johan and his friends go apple picking Jonah fills 5 baskets each basket holds15 apples. If 4 of Jonah’s friends pick the same a
11Alexandr11 [23.1K]

Answer:

the answer is 75

Step-by-step explanation:in total there are 5 full baskets and each holds 15 apples so 15 x 5 =75 and that is your answer.


5 0
3 years ago
The radius of a circle is (7n-21) inches find circumference of the circle in terms of n.
hodyreva [135]

Answer:

(14n - 42)*pi

Step-by-step explanation:

Circumference is 2 * pi * r. Since r in this case is 7n - 21, you can multiply r by 2 and pi, giving you (14n - 42)*pi

4 0
3 years ago
A nursing student works at a doctor's office for $15 per hour and tutors other students for $25 per hour.
k0ka [10]

The system of inequalities represents the given constraints will be x + y < 20 and 15x + 25y > 375.

<h3>What is inequality?</h3>

Inequality is defined as an equation that does not contain an equal sign. Inequality is a term that describes a statement's relative size and can be used to compare these two claims.

A nursing student works at a doctor's office for $15 per hour and tutors other students for $25 per hour.

Let x be the number of hours for the doctor's office and y be the number of hours for the tutor.

The student cannot work more than 20 hours each week.

      x + y < 20 ...1

15x + 25y > 375 ...2

The system of inequalities represents the given constraints will be x + y < 20 and 15x + 25y > 375.

More about the inequality link is given below.

brainly.com/question/19491153

#SPJ1

8 0
2 years ago
After one hour in flight, an airplane is located 100 miles north and 200 miles west of the airport. What is the velocity of the
MAVERICK [17]
I think 224 miles an hour
3 0
3 years ago
After simplifying, how many terms does the expression 4y-6+y2-9 contain?​
Alex73 [517]

Answer:

There are three terms in the simplified expression.

Step-by-step explanation:

We have to simplify the expression and have to count the number of terms that the expression has.

The expression is 4y - 6 + y² - 9

= 4y + y² - 6 - 9

= y² + 4y - 15

Therefore, there are three terms in the simplified expression, one for y² term, another is y term and the constant term. (Answer)

8 0
2 years ago
Read 2 more answers
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