3 years ago

What is the slope of a line with points (5.5,2.2)(11,4.4)?

Mathematics

1 answer:

MAXImum [283]3 years ago

7 0

Answer:

Slope=2.2/5.5 or 0.4

Step-by-step explanation:

slope = (y2-y1)/(x2-x1)

Hence:

slope=(4.4-2.2)/(11-5.5)

slope=2.2/5.5=0.4

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The difference of b and 2 is greater than or equal to –26.

olya-2409 [2.1K]

Answer:

b-2<u>></u>-26

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3 years ago

Mr. Carlevato and Mr. Burrows get into a debate about two different expressions. · Mr. Carlevato says "2(2x + 3) is equal to 4x

ruslelena [56]

Answer:

Yes, the same answer is obtained.

Step-by-step explanation:

According to Mr. Carlevato, $2(2x+3)$ is equal to $4x+6$ . However, $2(2x+3)$ is not equal to $4x+6$ according to Mr. Burrows.

Put $x=5$ in $2(2x+3)$

$2[2(5)+3]=2(10+3)=2(13)=26$

Put $x=5$ in $4x+6$

$4x+6=4(5)+6=20+6=26$

Therefore,

$2(2x+3)=4x+6$

Yes, the same answer is obtained.

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3 years ago

Find the lowest common denominator and solve

irina [24]

Answer:

the correct answer is d

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3 years ago

An online music store offers 5 downloads for 6.25. Another online music store offers 12 downloads for 17.40. Which store has the

mr_godi [17]

First, divide each amount by the downloads.

6.25/5 = 1.25 for each download

17.40/12 = 1.45 for each download

The online music store that offers 5 downloads for 6.25 is the better deal by 0.20 cents.

hope this helps

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3 years ago

A region R in the first quadrant of the xy-plane is bounded by the curves y = x², y = 2 - x and the x-axis. Find the value of th

lions [1.4K]

The two curves meet in the first quadrant when

$x^2 = 2-x \implies x^2 + x - 2 = (x + 2) (x - 1) = 0 \implies x=1$

Then the integral in question is

$\displaystyle \iint_R x \, dA = \int_0^1 \int_{x^2}^{2-x} x \, dy \, dx \\\\ ~~~~~~~~ = \int_0^1 x (2-x-x^2) \, dx \\\\ ~~~~~~~~ = \int_0^1 (2x - x^2 - x^3) \, dx = 1 - \frac13 - \frac14 = \boxed{\frac5{12}}$

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2 years ago