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2 years ago

Which equation could have been used to create this table

Mathematics

1 answer:

Mkey [24]2 years ago

6 0

Answer:

what table? there is no picture attached or answer choices.

Step-by-step explanation:

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You need 120 pieces of chalk for art day. your teacher gar 6 boxes of chalk. Each box he's 18 pieces of chalk. Is that enough ch

Viktor [21]

Answer:

Step-by-step explanation:

6 time 180 is only 108

108<120

There is not enough chalk.

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2 years ago

WILL REWARD BRAINLIEST (40 POINTS PLEASE HELP)

Luba_88 [7]

Answer:

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3 0

3 years ago

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Please I need help. Find the value of u.

seropon [69]

Answer:

62 is the answer.

Step-by-step explanation:

I hope this helps you.

8 0

2 years ago

Give the properties for the equation -2x 2 - y + 10x - 7 = 0.

Sladkaya [172]

Given:

The quadratic equation is

$-2x^2-y+10x-7=0$

To find:

The vertex of the given quadratic equation.

Solution:

If a quadratic function is $f(x)=ax^2+bx+c$ , then

$Vertex=\left(\dfrac{-b}{2a},f(\dfrac{-b}{2a})\right)$

We have,

$-2x^2-y+10x-7=0$

It can be written as

$-2x^2+10x-7=y$

$y=-2x^2+10x-7$ ...(i)

Here, $a=-2,b=10,c=-7$ .

$\dfrac{-b}{2a}=\dfrac{-10}{2(-2)}$

$\dfrac{-b}{2a}=\dfrac{-10}{-4}$

$\dfrac{-b}{2a}=\dfrac{5}{2}$

Putting $x=\dfrac{5}{2}$ in (i), we get

$y=-2(\dfrac{5}{2})^2+10(\dfrac{5}{2})-7$

$y=-2(\dfrac{25}{4})+\dfrac{50}{2}-7$

$y=\dfrac{-50}{4}+25-7$

$y=\dfrac{-25}{2}+18$

On further simplification, we get

$y=\dfrac{-25+36}{2}$

$y=\dfrac{11}{2}$

So, the vertex of the given quadratic equation is $\left(\dfrac{5}{2},\dfrac{11}{2}\right)$ .

Therefore, the correct option is A.

3 0

3 years ago

PLZ HELP ME I DONT UNDERSTAND Image attached Find the value of x.

Soloha48 [4]

They are vertical angles, thus they are equal to each other:

5x + 12 = 6x - 10
22 = x

x = 22

8 0

3 years ago

Read 2 more answers