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2 years ago

3x - 6 less than or equal to -3 on a graph

Mathematics

1 answer:

g100num [7]2 years ago

4 0

I believe that -3 is less than 3x-6 because if you look at their graph -3’s graph is below 3x-6 graph

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A book has 55 pages with pictures and 45 pages without pictures, which ratio relationship is shown by the pages in the book?

suter [353]

Answer:

11 pages with picture to every nine pages without pictures. or 11 per every 9

Step-by-step explanation:

divide each number by a common denominator, in this case 5, to get a change from 55 per every 45 to 11 per every 9.

8 0

2 years ago

ASAP!!! Please help!!!

Sunny_sXe [5.5K]

Answer:

$-\frac{28}{99}$

Step-by-step explanation:

To divide a fraction by a fraction, flip the second fraction and change the divide sign into a multiplication sign.

$\frac{4}{9}\div -\left(\frac{11}{7}\right)=\frac{4}{9} *-\frac{7}{11}$

Multiply:

$-\frac{4*7}{9*11}$

$-\frac{28}{99}$

6 0

2 years ago

Two more than the Quotient of twelve and a number

chubhunter [2.5K]

Answer:

x/12+2

Step-by-step explanation:

the answer to the question

4 0

3 years ago

A Cepheid variable star is a star whose brightness alternately increases and decreases. For a certain star, the interval between

sattari [20]

Answer:

$B'(t) = \dfrac{0.9\pi}{4.4}\cos\bigg(\dfrac{2\pi t}{4.4}\bigg)$

b) 0.09

Step-by-step explanation:

We are given the following in the question:

$B(t) = 4.2 +0.45\sin\bigg(\dfrac{2\pi t}{4.4}\bigg)$

where B(t) gives the brightness of the star at time t, where t is measured in days.

a) rate of change of the brightness after t days.

$B(t) = 4.2 +0.45\sin\bigg(\dfrac{2\pi t}{4.4}\bigg)\\\\B'(t) = 0.45\cos\bigg(\dfrac{2\pi t}{4.4}\bigg)\times \dfrac{2\pi}{4.4}\\\\B'(t) = \dfrac{0.9\pi}{4.4}\cos\bigg(\dfrac{2\pi t}{4.4}\bigg)$

b) rate of increase after one day.

We put t = 1

$B'(t) = \dfrac{0.9\pi}{4.4}\cos\bigg(\dfrac{2\pi t}{4.4}\bigg)\\\\B'(1) = \dfrac{0.9\pi}{4.4}\bigg(\cos(\dfrac{2\pi (1)}{4.4}\bigg)\\\\B'(t) = 0.09145\\B'(t) \approx 0.09$

The rate of increase after 1 day is 0.09

8 0

2 years ago

What is 1/4 divided by 2

Hoochie [10]

It is simple actually the answer is 1/8

7 0

2 years ago

Read 2 more answers