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vichka [17]
3 years ago
14

-4 2/3 times (-1 1/2) SHOW YOUR WORK TO GET BRAINLIEST~~~~!!~

Mathematics
1 answer:
eduard3 years ago
6 0

Answer:

-4 2/3 times (-1 1/2)

Step-by-step explanation:

  • 14.6 repeating

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Je Senah
ss7ja [257]

Answer:

B (1,0)

Step-by-step explanation:

5 0
3 years ago
Please help, and thank you!
lawyer [7]

Answer:

3. C

4. D

Step-by-step explanation:

3.

x^2+25=0\\x^2=-25\\x=\pm\sqrt{-25}

Once \sqrt{-1}=i

x=\pm5i

4.

A quadratic equation has no real roots when the discriminant (\Delta) is negative. \Delta.

Let's try all the equations:

(A)

2x^2-7x-9=0\\\\\Delta=\sqrt{\left(-7\right)^2-4\cdot \:2\left(-9\right)}\\\Delta=\sqrt{\left(-7\right)^2+4\cdot \:2\cdot \:9}\\\Delta=\sqrt{121} \\\Delta=11

(B)

2x^2=7x\\2x^2-7x=0\\x(2x-7)=0\\x=0\\\text{or}\\2x-7=0\\2x=7\\\\

$x=\frac{7}{2} $

(C)

2x^2+7x-9=0\\\Delta = \sqrt{7^2-4\cdot \:2\left(-9\right)}\\\Delta = \sqrt{7^2+4\cdot \:2\cdot \:9}\\\Delta = \sqrt{121} \\\Delta= 11

(D)

2x^2-7x+9=0\\\Delta = \sqrt{\left(-7\right)^2-4\cdot \:2\cdot \:9}\\\\\Delta=\sqrt{-23} \\\Delta=\sqrt{23i}

8 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!! I CANNOT RETAKE THIS!!<br><br> Solve for x.
m_a_m_a [10]

also the last one your correct

7 0
3 years ago
A cone-shaped paper cup can hold 35 cubic inches of food. If the radius of the cone is 2.4 inches, what is the height of the con
Arada [10]
Volume of cone : (1/3) * pi * r^2 * h 

<span>35 = (1/3) * 3.14 * 2.4^2 * h </span>

<span>h = 35 / ((1/3) * 3.14 * 2.4^2) </span>

<span>h ≈ 5.805 in </span>

<span>h = 5.81 in
Hope this helps you </span>
6 0
3 years ago
Read 2 more answers
A parabola has a vertex at (2,3) and a focus at (2,0)
hoa [83]

Answer:

....................

Step-by-step explanation:

6 0
3 years ago
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