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REY [17]
3 years ago
8

Write the quadratic equation in standard form:

Mathematics
1 answer:
djyliett [7]3 years ago
6 0

Answer:

-4x^2+7x +6

Step-by-step explanation:

-7x + x^2 = - 3x^2 + 6

Subtract x^2 from each side

-7x + x^2-x^2 = - 3x^2-x^2 + 6

-7x =-4x^2 +6

Add 7x to each side

-7x+7x =-4x^2+7x +6

0= -4x^2+7x +6

The standard form is Ax^2 +Bx +C

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PLEASE HELP!!!
PIT_PIT [208]

Answer:

Part a- after one year of depreciation the car would value $7475

part b: the car would be worth $-12650

Step-by-step explanation:

not sure if its correct but that's what I got

8 0
2 years ago
Sandy lives 200 m from school. One
lisov135 [29]

Answer:

Following are the solution to the given question:

Step-by-step explanation:

For question 1:

Calculating the speed between A and B:

Time\ (t)= 1 \ hours\\\\Distance\ (d)= 10 \ km\\\\V=\frac{d}{t}=\frac{10}{1}= 10 \ kmph

For question 2:

Calculating the speed between B and C:

Time\ (t)= (2-1)=1 \ hours\\\\Distance\ (d)= (15-10)= 5\ km\\\\V=\frac{d}{t}=\frac{5}{1}= 5 \ kmph\\  

For question 3:

In this the speed between A and B is the double to speed between B and C.

3 0
3 years ago
Helpppppppppppppppppp
Mamont248 [21]
I’m pretty sure that’s true.
4 0
3 years ago
The weather forecast says that the probability of being cloudy tomorrow is 30% and the probability of raining is 25%. If it is c
Bumek [7]
<h3>Answer:</h3>

\large\boxed{C).\,13.5\%}

<h3>Step-by-step explanation:</h3>

In this question, we're trying to find the probability of it being cloudy and raining.

In this case, we know that:

  • Probability of it being cloudy is 30%
  • Probability of it raining is 25% (this is necessarily not needed)
  • If it's cloud, the probability of it raining is 45%

With the information above, we can find the probability.

We know that from a 100% scale, the chance of it being cloudy is 30%.

We know that if it's cloudy, the chances of raining is 45%

To find the probability of it being cloudy and raining, we would multiply 0.3 (30%) by 0.45 (45%)

Solve:

0.3*0.45=0.135\\\\\text{Move the decimal place two times to the right}\\\text{to turn it into a percent}\\\\\boxed{13.5\%}

Your answer would be C). 13.5%

<h3>I hope this helped you out.</h3><h3>Good luck on your academics.</h3><h3>Have a fantastic day!</h3>
6 0
3 years ago
For what values of x will the result of 5x be greater than 1
SSSSS [86.1K]
Anything greater than (1/5) that is positive

Ex. (1/4), (1/3), (1/2), 1, 2, 3, 4, 5
6 0
3 years ago
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