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3 years ago

What is the product of −214 and −412?

1 answer:

8 0

-214 x -412 = 88,168

“Product” means the answer you get from multiplying two or more numbers together.
* Tip: A negative number times another negative number equals a positive.

Hope this helps!

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Find solutions to the equation below. Check all that apply.

zubka84 [21]

16x^2 - 64 = 0

16x^2 = 64

x^2 = 64/16

x^2 = 4

sqrt{x^2} = sqrt{4}

x = -2, x = 2

Answer: B and F

7 0

3 years ago

Read 2 more answers

Tickets to the concert where to $2.50 for adults and one dollar for students. $1200 was collected and 750 tickets were sold. Wri

erik [133]

$2.50 (X) + $1 (Y) = $1200
X + Y = 750

7 0

3 years ago

Need help finding equation

Elden [556K]

Answer:

Step-by-step explanation:

Based on the two graphs I see at the bottom of the photo, you're looking at a quadratic function. The answer you put in is a linear equation.

Quadratic functions follow the form $ax^2+bx+c$ , where a, b, and c can be either positive or negative constants.

The table says that the equation, when graphed, should start at the top, slide to the bottom, and then slide back up to the top. So a must be positive.

c has to be -8 since it's the y-intercept.

So far, our equation is $ax^2+bx-8$ . We'll need to plug in some points in order to work out what $a$ and $b$ are.

Let's use $(-2,5)$ as the first set of points, and $(4,14)$ as the second set.

$5=a(-2)^2+b(-2)-8\\14=a(4)^2+b(4)-8\\$

Now we have 2 equations with 2 unknowns. Solve for one variable:

$5=4a-2b-8\\13+2b=4a\\\frac{13+2b}{4}=a$

Now substitute that into the second equation:

$14=(\frac{13+2b}{4})(4^2)+4b-8\\14+8=(13+2b)(4)+4b\\22-52=8b+4b\\-30=12b\\-\frac{30}{12}=-\frac{10}{4}=-\frac{5}{2}=b$

Now substitute the result into the first equation.

$\frac{13+2(-\frac{5}{2})}{4}=a\\\\\frac{13-5}{4}=a\\\\\frac{8}{4}=a\\\\ 2=a$

Now substitute our values back into the original equation:

$y(x)=2x^2-\frac{5}{2}x-8$

Please let me know if this is correct.

8 0

3 years ago

Please someone help ASAP it’s timed

german

Answer:

Step-by-step explanation:

b is the badges and 20 is the boxes sold

7 0

3 years ago

Graph the line with the given points and slope.

shepuryov [24]

So first, plot your point at (0,0) then use rise over run. From (0,0) go up 3 units then right 4 units, and keep going. Then when you go down go -3 units and left 4

8 0

3 years ago