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gavmur [86]
3 years ago
13

Write the quadratic equation in standard form:5+ 7x = -4x2 – 5​

Mathematics
2 answers:
Ganezh [65]3 years ago
8 0

Answer:

4x^2-2x-6=0

Step-by-step explanation:

Bond [772]3 years ago
3 0

Answer:

4x^2 + 7x +10

Step-by-step explanation:

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Algebra 2 questions
Law Incorporation [45]

Answer:

0

Step-by-step explanation:

Cancel out x-y to x^2-Y^2 and you get x+y-x-y which is 0

8 0
3 years ago
Please I need the answer right now. <br> Find the percent of increase or decrease? 2.5y to 1.5y
Anni [7]

Answer:.5%

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP FAST!!! How many solutions does this system have?
Aneli [31]

Step-by-step explanation:

  • y=3/4x+(-5)
  • -4x+4(3/4x+-5)=-20

-4x+3x-20=-20

-x=-20+20

-x=0

x=0

  • x=0 in y=3/4x-5

y=3/4×{0}-5

y=-5

5 0
3 years ago
Evaluate the expression 2b to the third power+ 5 when b=5
Andrej [43]

Answer:

1005

Step-by-step explanation:

10 to the third power + 5 =

1000 + 5 =

1005

Hope that helps!

7 0
3 years ago
9. Find the dimensions of the<br>4 triangular faces of the pyramid.<br>(Height is 55.5 ft)<br>​
Minchanka [31]

Answer:

Q=\frac{\pi}{2}*55.5ft=87.18ft\\P=87.18ft*\sqrt{\frac{1}{2}+\frac{16}{\pi ^{2}}}=87.18*0.9515=82.95ft\\

Step-by-step explanation:

We have a 4-sided triangular pyramid , where

Q=\frac{\pi}{2}*H\\P=Q*\sqrt{\frac{1}{2}+\frac{4}{\pi ^{2}}}\\Q=\frac{\pi}{2}*55.5ft=87.18ft\\P=87.18ft*\sqrt{\frac{1}{2}+\frac{16}{\pi ^{2}}}=87.18*0.9515=82.95ft\\

3 0
3 years ago
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