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11Alexandr11 [23.1K]
3 years ago
8

Select the correct answer.

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
7 0
The answer is a sorry if I’m wrong btw
sesenic [268]3 years ago
5 0

Answer:

A

Step-by-step explanation:

equation is of the form f(x) - a which implies a translation downwards of a units

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Which price choice is the lowest price per ounce? HELP! I HAVE 2 HRS TO GET CORRECT ANSWER!
mina [271]

Answer:

B

Step-by-step explanation:

15 divided by 2.49 equals 0.166 (Approximately 17 cents/oz) whilst 20 divided by 3.32 equals 0.111 (Approximately 11 cents/oz).

8 0
3 years ago
Determine the standard form of the equation of the line that passes through ( -5,0 ) ( 0 ,-9)
insens350 [35]

The general form for a line through two points (a,b) and (c,d) is

(c-a)(y-b)=(d-b)(x-a)

This is better than the slope forms because it works in the no slope case, as does the standard form.

If you haven't seen it before, it works because when (x,y)=(a,b) we get (c-a)(b-b)=(d-b)(a-a), both sides zero, and when (x,y)=(c,d) we get (c-a)(d-b)=(d-b)(c-a), clearly equal sides.

Here we have

(0 - -5)(y - 0) = (-9 - 0)(x - - 5)

5y = -9(x+5)

5y = -9x - 45

9x + 5y = -45

Ironically there are two standards for standard form; one with the constant alone on the right and one with the whole thing equal to zero.  I like the constant alone.

Answer: 9x + 5y = -45

Check:

We check each point is on the line

(-5,0)

9(-5) + 5(0) = -45, good

(0, -9)

9(0) + 5(-9) = -45, good again


5 0
3 years ago
Read 2 more answers
What is the average (arithmetic mean) of the first 90 measurements in a certain list of 92 measurements? (1) the average of the
marishachu [46]
The sum of all the measurements is just the average times the number.

\bar x = \frac{1}{n} \sum_{i=1}^n x_i

\sum_{i=1}^n x_i = n \bar x

So if the average of all 92 is 7 the sum of those is 92 \times 7

The average of the last two is 7.2 so their sum is 2 \times 7.2

That means the sum of the first 90 is 92 \times 7 - 2 \times 7.2

so the average of the first 90 is

 \dfrac{92 \times 7 - 2 \times 7.2}{90} = 6.99556 cm



7 0
3 years ago
A recursive rule for an arithmetic sequence is a1 = −4; an = an−1 + 11
Ivenika [448]
It’s a for sure I really think it’s A i don’t know
8 0
3 years ago
Solve the word problem below. Enter your answer as a fraction in simplest
belka [17]

Answer:

global warming

Step-by-step explanation:

12345678910

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3 years ago
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