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3 years ago

HELP PLEASE WILL GIVE BRAINLIEST BE QUICK

Mathematics

1 answer:

slamgirl [31]3 years ago

7 0

Answer:

(2,0) and (4,0)

Step-by-step explanation:

The roots of the parabola are the points where the value of the function is zero, i.e., where the graph crosses the x-axis.

(2,0) and (4,0)

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What is 25kg in a ratio of 2:3:5

LekaFEV [45]

To solve add the ratio together and you get 10. 25/10 = 2.5
Now 2*2.5: 3*2.5: 5*2.5
= 5 : 7.5 : 12.5

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4 years ago

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What is the sum of the solutions of x2 + 9x + 20 = 0?

ZanzabumX [31]

Answer:

Sum of the solutions of $x^2+9x+20=0$ is -9.

Product of the solutions of $6x^2+7x=3$ is $-0.50$

Step-by-step explanation:

1. $x^2+9x+20=0$

Given:

The expression whose sum of the solution is required is given as:

$x^{2} +9x+20=0$

For a quadratic equation of the form $ax^2+bx+c=0$ the sum of the solutions is given as:

Sum = $\frac{-b}{a}$

Here, $a=1,b=9,c=20$

Therefore, the sum of the solutions = $-\frac{9}{1}=-9$

2. $6x^2+7x=3$

Rewriting the above equation in a standard quadratic equation, we get:

$6x^2+7x-3=0$

For a quadratic equation of the form $ax^2+bx+c=0$ the product of the solutions is given as:

Product = $\frac{c}{a}$

Here, $a=6,b=7,c=-3$

Therefore, the product of the solutions = $\frac{-3}{6}=-0.50$

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3 years ago

-27=x-15 please someone help me

nadezda [96]

Answer: x = −12

Step-by-step explanation:

−27 = x −15

x − 15 = −27

x − 15 + 15 = −27 + 15

x = −12

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3 years ago

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A card is picked at random from a standard deck of 52 cards. What is the probability of picking a face card (King, Queen, or Jac

BigorU [14]

Total cards in a deck=52
Face cards =12
So probability of picking a face card is 12/52=3/13
Because probability of an event =chances of favourable outcomes/total number of outcomes

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3 years ago

A garge floor measures 150 feet by 120 feet .a scale drawing on tbe floor on grid uses a scale of 1 unit : 15 feet what are the

o-na [289]

Answer:

8 units by 10 units

Step-by-step explanation:

$150 \div 15 = 10 \\ 120 \div 15 = 8$

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3 years ago