12: Miriam bought five cases of motor oil on sale. A case of motor oil

Mathematics

1 answer:

klasskru [66]3 years ago

7 0

Answer:

Step-by-step explanation:

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Find the point of intersection between the lines: y=3x-1 and y-x+3=0

Anon25 [30]

Answer:

( - 1 , - 4 )

Step-by-step explanation:

y = 3x - 1

y = x - 3

3x - 1 = x - 3 ⇒ x = - 1

y = 3( - 1 ) - 1 = - 4

y = - 4

( - 1 , - 4 )

8 0

2 years ago

Which statement describes the function y=ax^n when a=1 and n is odd?

julsineya [31]

ANSWER

B. The graph is symmetric about the origin

EXPLANATION.

The given function is

$y = a {x}^{n}$

When a=1,

$y = {x}^{n}$

Let,

$f(x)= {x}^{n}$

$f(-x)= {( - x)}^{n}$

Since n is odd,

$f(-x)=-{( x)}^{n}$

$\Rightarrow f(-x)=-f(x)$

This implies that, the function

$y={x}^{n}$

is symmetric with respect to origin.

The correct answer is B

5 0

3 years ago

Read 2 more answers

What is the value of 3 in the number 3,543. Is it thousandths or 3000?

QveST [7]

The actual value will be 3,000 but where it's place it will be also the thousands place

6 0

3 years ago

Maggie makes and sells scented body lotions. She initially spent 108 to purchase supplies, and each kilogram of lotion cost 16 t

slamgirl [31]

Answer:

12 kilograms

Step-by-step explanation:

Let's construct an equation for her profits, we will call it P(x), where x is the number of kilograms produced/sold.

We know she has -$108 profit from buying supplies, and for each kilogram she produces, she earns -$16 (or loses $16, if earning negative money bothers you). However, we also know that she earns $25 per kilogram sold.

Constructing the equation with this information, we get: $P(x)=25x-16x-108=9x-108$