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klasskru [66]
2 years ago
11

How many time does 80 fit into 415

Mathematics
2 answers:
netineya [11]2 years ago
7 0

Answer:

5.19 times

Step-by-step explanation:

just divided 145 by 180

Elza [17]2 years ago
6 0

Answer:

5 times

Step-by-step explanation:

have a good day/night :)

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How do you decide whether substitution is the best method to solve a system in three variables?
Ivan
<span>Select one equation and solve it for one of its variables.
In the other equation, substitute for the variable just solved.
Solve the new equation. 
<span>Substitute the value found into any equation involving both variables and solve for the other variable. </span></span>
3 0
3 years ago
At Elisa's printing company, there are two kinds of printing presses: Model A, which can print 70 books/ day, and model B, which
Dmitrij [34]

Answer:

9 Model As.

Step-by-step explanation:

Let A represent Press A and let B represent Press B.

So, they own 14 total presses. This means that:

A+B=14

They can print 905 books per day, in other words, since A prints 70 per day and B prints 55 per day:

70A+55B=905

This is now a system of equations. Solve by substitution. From the first equation, subtract B from both sides:

A=14-B

Substitute this into the second equation: "

70(14-B)+55B=905

First, we can divide everything by 5 to simplify things:

14(14-B)+11B=181

Distribute the left:

196-14B+11B=181

Combine like terms:

-3B+196=181

Subtract 196 from both sides:

-3B=-15

Divide both sides by -3

B=5

So, the company has 5 Model B presses.

Which means that the company has 14-5 or 9 Model A presses.

And we're done!

3 0
3 years ago
If u(x) = x5 – x4 + x2 and v(x) = –x2, which expression is equivalent to (u/v)(x)
choli [55]

Answer:

c) -x^3 + x^2 - 1

Step-by-step explanation:

Given: u (x) = x^5 - x^4 +x^2 and v(x) = -x^2

(u/v)(x) = u(x)/v(x)

Now plug in the given functions in the above formula, we get

= (x^5 - x^4 + x^2) / -x^2

We can factorize the numerator.

In x^5 - x^4 + x^2. the common factor is x^2, so we can take it out and write the remaining terms in the parenthesis.

= x^2 (x^3 - x^2 + 1) / - x^2

Now we gave x^2 both in the numerator and in the denominator, we can cancel it out.

(u/v)(x) = (x^3 - x^2 + 1) / -1

When we dividing the numerator by -1, we get

(u/v)(x) = -x^3 + x^2 - 1

Answer: c) -x^3 + x^2 - 1

Hope you will understand the concept.

Thank you.

6 0
3 years ago
Read 2 more answers
A triangle can exist with side lengths 15cm, 22cm, and 35cm.<br> A<br> False<br> B<br> True
Advocard [28]

Answer:

The answer is False maybe

8 0
3 years ago
cc is guaranteed the larger of $500 per week or 7% of sales. last week she 4 sold $6785. How much was her check for?​
weeeeeb [17]

Answer:

Step-by-step explanation:

6785*7%=474.95 in commission

500 per week salary is more

6 0
3 years ago
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