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Olegator [25]
3 years ago
12

In how many ways can you answer the question on an exam that consists of 9 questions with 4 answers

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
6 0
I think the answer is 36 I hope I helped
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On a number line, point D is at -3, and point E is at 6. The point F lies on . The ratio of to is 2 : 3. Where does point F lie
SSSSS [86.1K]

Answer:

f is at 3

Step-by-step explanation:

2 Thessalonians 3:16

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Jesus loves you!!

4 0
2 years ago
Help me with only this question please
Scorpion4ik [409]
I think the answer is B.
7 0
3 years ago
What is the result of adding these twice equations? <br><br> 5x-y=6 <br><br> -2x+y=8
LenKa [72]

Answer: 3x=14

X=14/3

y=52/3

Step-by-step explanation:

5x-y-2x+y=6+8

3x=14

X=14/3

Y=8+2x

Y=8+28/3

Y=52/3

6 0
3 years ago
Find the y intercepts of 3x^2+24x-51. quadratic formula
julia-pushkina [17]
  • Quadratic Formula: x=\frac{-b\pm \sqrt{b^2-4ac}}{2a} , with a = x^2 coefficient, b = x coefficient, and c = constant.

Firstly, starting with the y-intercept. To find the y-intercept, set the x variable to zero and solve as such:

y=3*0^2+24*0-51\\y=0+0-51\\y=-51

<u>Your y-intercept is (0,-51).</u>

Next, using our equation plug the appropriate values into the quadratic formula:

x=\frac{-24\pm \sqrt{24^2-4*3*(-54)}}{2*3}

Next, solve the multiplications and exponent:

x=\frac{-24\pm \sqrt{576-(-648)}}{6}\\\\x=\frac{-24\pm \sqrt{576+648}}{6}

Next, solve the addition:

x=\frac{-24\pm \sqrt{1224}}{6}

Now, simplify the radical using the product rule of radicals as such:

  • Product Rule of Radicals: √ab = √a × √b

√1224 = √12 × √102 = √2 × √6 × √6 × √17 = 6 × √2 × √17 = 6√34

x=\frac{-24\pm 6\sqrt{34}}{6}

Next, divide:

x=-4\pm \sqrt{34}

<u>The exact values of your x-intercepts are (-4 + √34, 0) and (-4 - √34, 0).</u>

Now to find the approximate values, solve this twice: once with the + symbol and once with the - symbol:

x=-4+ \sqrt{34},-4- \sqrt{34}\\x\approx 1.83, -9.83

<u>The approximate values of your x-intercepts (rounded to the hundredths) are (1.83,0) and (-9.83,0).</u>

5 0
3 years ago
48 is what percent of 160
professor190 [17]
Percent formula : is/of = %/100

is = 48
of = 160
% = x

48/160 = x/100
cross multiply
160x = 4800
x = 4800/160
x = 30......so 48 is 30% of 160
4 0
3 years ago
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