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4 years ago

In 2000 fries were $2.00 in 2015 they were $4.50 what is the percent changes in the e cost

Mathematics

1 answer:

o-na [289]4 years ago

6 0

Answer: Percentage decrease by 56%

or -56%

Step-by-step explanation:

https://canvas.apps.chrome/

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Solve 3x2+7x+1=0 using the quadratic formula.

NNADVOKAT [17]

Answer:

$x=\frac{-7+-\sqrt{37} }{6}$

Step-by-step explanation:

This (±) goes between the $-7$ and $\sqrt{37}$

$3x^{2} +7x+1=0$

$ax^{2} +bx+c$

$-b$ ± $\sqrt{b^2-4ac}$ /2a

$-7$ ± $\sqrt{(7)^2-4(3)(1)}$ /2(3)

$-7$ ± $\sqrt{49-12}$ /6

$-7$ ± $\sqrt{37}/6$

7 0

3 years ago

Help me with questions #1,3,4, & 5

Klio2033 [76]

Q:3
Ans: 10.12 x 10 power -5
Q:4
Ans: 5/8
Q:5
Ans: - x cube and + x square

7 0

4 years ago

A system of two linear equations has no solution. Describe the graph of the system

tiny-mole [99]

graph of a linear equation is a line, two linear equations has no solution mean two lines has no intersect/common point, those two lines must be parallel

8 0

3 years ago

What is the tangent of 42 degree angle

shepuryov [24]

Hello!

To find our answer, we just use a scientific calculator (you cannot calculate it by hand).

tan42≈0.9

Therefore, our answer is about 0.9.

I hope this helps!

6 0

3 years ago

A small Learning Center holds twenty-four less students than a large Learning Center. Together the Learning Centers hold seventy

olga2289 [7]

Answer:

A small learning center holds 48 students

Step-by-step explanation:

A small Learning Center holds twenty-four less students than a large Learning Center. Together the Learning Centers hold seventy-two students. How many students does each Learning Center hold?

72-24=48

6 0

3 years ago