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3 years ago

Find the equation of the line

Mathematics

1 answer:

DENIUS [597]3 years ago

3 0

Y=(6/7)x - 1/2 (where 1/2 is the y intercept and 6/7 is the slope)

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Natalie buys organic almonds priced at $12 from the grocery store. How much did she pay the cashier if she received $8 in change

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$20.00

Step-by-step explanation:

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3 years ago

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lina2011 [118]

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Step-by-step explanation: 50 x. 10

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3 years ago

Olivia’s family is driving a total of 480 miles for a trip. They would like to complete the drive in 8 hours. What is the averag

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3 years ago

The front of a garage needs to be painted. The total area except for the door will be painted. The door is 1.5 m high and 2 m wi

Sever21 [200]

Answer:

The answer for A is $7.85m^{2}$ .

The answer for B is 4 cans.

The answer of C is $98.

Step-by-step explanation:

A-

Multiply 2.5 by 3.5 and you'll get 8.75 Multiply 3.5 by 1.2 and you'll get 4.2; divide and your answer will be 2.1 Add to 8.75 Get 10.85 Subtract from area of door ( 3m because 1.5 times 2 is 3) and you'll get 7.85

B-

Divide 7.85 by 2.5 and you'll get 3.104; round that and you'll get 4 cans.

C-

Multiply the amount of cans (4) by 24.5. Do this and you'll get $98.

Hope this was helpful!!!

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3 years ago

6x^2-9x +2=0 solve the quadratic equation using the quadratic formula

balu736 [363]

ANSWER:

The roots of $6 x^{2}-9 x+2=0$ are $\frac{9+\sqrt{33}}{4}, \frac{9-\sqrt{33}}{4}$

SOLUTION:

Given, quadratic equation is $6 x^{2}-9 x+2=0$ --- eqn (1)

We need to find the roots of given quadratic equation using quadratic formula.

Quadratic formula for general quadratic equation $a x^{2}+b x+c=0$ is $X=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Here, for eqn (1) a = 6, b= -9 and c = 2

$X=\frac{-(-9) \pm \sqrt{(-9)^{2}-4 \times6 \times 2}}{2 x 2}$

$X=\frac{9 \pm \sqrt{81-48}}{4}$

$\begin{array}{l}{X=\frac{9 \pm \sqrt{33}}{4}} \\ {X=\frac{9+\sqrt{33}}{4}, \frac{9-\sqrt{33}}{4}}\end{array}$

Hence the roots of $6 x^{2}-9 x+2=0$ are $\frac{9+\sqrt{33}}{4}, \frac{9-\sqrt{33}}{4}$

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3 years ago