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Oksi-84 [34.3K]
2 years ago
13

Can someone help with questin 1 and 2. ​

Mathematics
1 answer:
aleksandrvk [35]2 years ago
5 0

Answer: are you single

Step-by-step explanation:

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Mattie uses the discriminant to determine the number of zeros the quadratic equation 0 = 3x2 – 7x + 4 has. Which bestdescribes t
Katyanochek1 [597]
  • Discriminant Formula: b² - 4ac, with a = x^2 coefficient, b = x coefficient, and c = constant

So firstly, using our equation plug in the values into the discriminant formula and solve as such:

(-7)² - 4 × 3 × 4

49 - 48

1

So our discriminant is 1. <u>Since 1 is positive and a perfect square, this means that there are 2 real, rational solutions.</u>

8 0
3 years ago
Stretch your thinking rewrite this sentence using the word fewer: Carey reads 10 more pages than Lucey .
Free_Kalibri [48]
Lucy read 10 fewer pages than Carey
5 0
3 years ago
Simplify: <br> <img src="https://tex.z-dn.net/?f=2%2F5%281%2F3x-15%2F8%29-1%2F3%281%2F2-2%2F3x%29" id="TexFormula1" title="2/5(1
expeople1 [14]

Answer:

16/45x-11/12

Step-by-step explanation:

2/5(1/3x-15/8)-1/3(1/2-2/3x)\\= 2/15x-30/40-1/6+2/9x\\= 16/45x-11/12

3 0
3 years ago
Read 2 more answers
If p(x)=x^2+x+1 and q(x)=3x^2-1, find p(7)
Delvig [45]

Answer:

p(7) = 57

Step-by-step explanation:

Because this is a function, all you have to do is input 7 for x like so:

p(x)=x^2+x+1 --------------->     p(7)=7^2+7+1

                                            so 49 + 8

                                                = 57

7 0
2 years ago
Evaluate each expression x=-3,y=6,z=-4what is x+y+(-1)
Alex_Xolod [135]

substitute the numbers.

-3 + 6 - 1

= 2

8 0
3 years ago
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