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MissTica
3 years ago
6

-5x^2 + 7x = -9 solve for quadratic formula

Mathematics
1 answer:
vlabodo [156]3 years ago
4 0
It has two roots
I’m trying to send you a picture but it doesn’t work
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How do I solve this?
pishuonlain [190]
Good morning! So, what this question wants us to do is find each y value given its x value. Without the function it gives us already, this would be pretty difficult.
It gives us a function rule of y=2x+3. This means that we need to plug in each x value into the equation and solve for y. Let’s work on these first three.

y=2x+3} x=-4
y=2(-4)+3
y=-8+3
y=-5
So, if x=-4, then y=-5.

y=2x+3} x=-2
y=2(-2)+3
y=-4+3
y=-1
So, if x=-4, then y=-1.

y=2x+3} x=0
y=2(0)+3
y=0+3
y=3
So, if x=0, then y=3.

Try out the last one, and if you have any questions, comment below! Here are some extra x values if you need more practice.
Using the same function rule, y=2x+3, try to find the y value if x=-6, x=-3, x=5, or x=6.
8 0
3 years ago
X- 6= -10<br><br> what does x=
melamori03 [73]

Answer:-5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
How do I find the mass of 250.0 ml
Marrrta [24]

Answer: There are 250 grams in 250 ml because 1 milliliter equals 1 gram

8 0
3 years ago
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Of 3,600 students surveyed, 40% eat cold pizza for breakfast. how many students do not eat cold pizza for breakfast? (round to n
RoseWind [281]
Percentage wise, we are understanding that 100% of the population equals all 3,600 students, and that only 40% eat cold pizza for breakfast. This means that 60% do not eat cold pizza for breakfast, so:

3600 students x 0.6 (or 60/100) = 2,160 students who do not eat cold pizza for breakfast.

Rounding as accorded to the question, the answer would then be 2,200 students when rounded to the hundredths place.
6 0
3 years ago
If f(20) = 7, what is the corresponding ordered pair?
Strike441 [17]

Answer:

4.5(10)

Step-by-step explanation:

because if you divide 7 by 2 you get 4.5 and then you divide 20 by 2 and get 10 that makes the answer correct!!! :)

6 0
3 years ago
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