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3 years ago

If Adrianna can read 7 pages in 10 minutes. At this rate, how many page can she read in 25 minutes?

Mathematics

2 answers:

fenix001 [56]3 years ago

8 0

Answer:

17.5 pages in 25 minutes

Step-by-step explanation:

10=7

10+10=20

20=14

5=3.5 (half of 7)

total of 17.5 pages

lesya692 [45]3 years ago

4 0

3.5 : 5

7 : 10

14 : 20

17.5 : 25

At that rate, she can read 17.5 pages in 25 minuets.

Divide both 7 and 10 by 2, which gets 3.5 and 5

5 * 5 = 25

5 * 3.5 = 17.5

Therefore, in 25 minuets, she can read 17.5 pages.

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Determine the equatiln of the graph and select the correct answer below.

olga_2 [115]

Answer:

Step-by-step explanation:

okay, this is actually pretty easy because it just works with simple translations.

(x+a)^2 + b

if a is positive, the graph shifts left

if a is negative, the graph shifts right

if b is positive, the graph shifts up

if b is negative, the graph shifts down

so since the quadratic, is starts at the origin and is shift 3 to the left, and 2 up:

the equation is

(x+3)^2 + 2

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3 years ago

AABC is reflected over the x-axis. What will be the coordinates of C' ?

Anuta_ua [19.1K]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

A box contains 5 red balls, 6 white balls and 9 black balls. Two balls are drawn at

valina [46]

Answer:

$P(Same)=\frac{61}{190}$

Step-by-step explanation:

Given

$Red = 5$

$White = 6$

$Black = 9$

Required

The probability of selecting 2 same colors when the first is not replaced

The total number of ball is:

$Total = 5 + 6 + 9$

$Total = 20$

This is calculated as:

$P(Same)=P(Red\ and\ Red) + P(White\ and\ White) + P(Black\ and\ Black)$

So, we have:

$P(Same)=\frac{n(Red)}{Total} * \frac{n(Red) - 1}{Total - 1} + \frac{n(White)}{Total} * \frac{n(White) - 1}{Total - 1} + \frac{n(Black)}{Total} * \frac{n(Black) - 1}{Total - 1}$

Note that: 1 is subtracted because it is a probability without replacement

$P(Same)=\frac{5}{20} * \frac{5 - 1}{20- 1} + \frac{6}{20} * \frac{6 - 1}{20- 1} + \frac{9}{20} * \frac{9- 1}{20- 1}$

$P(Same)=\frac{5}{20} * \frac{4}{19} + \frac{6}{20} * \frac{5}{19} + \frac{9}{20} * \frac{8}{19}$

$P(Same)=\frac{20}{380} + \frac{30}{380} + \frac{72}{380}$

$P(Same)=\frac{20+30+72}{380}$

$P(Same)=\frac{122}{380}$

$P(Same)=\frac{61}{190}$

4 0

3 years ago

Whats 8 times 3 divided by 12

SOVA2 [1]

Answer:

$2$

Step-by-step explanation:

Step 1: Convert words into numbers

$(8 * 3) / 12$

Step 2: Multiply

$(8 * 3) / 12$

$24 / 12$

Step 3: Divide

$24/12$

$2$

Answer: $2$

7 0

3 years ago

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Veronika [31]

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Step-by-step explanation:

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3 years ago