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3 years ago

11

Mr. moore read 25 pages of a book on monday he read 32 pages on tuesday 39 pages on wednesday and 46 pages on thursday if this p

atter continues how many pages win mr. moore read on sunday

1 answer:

RSB [31]3 years ago

4 0

53 on Friday, 60 on Saturday and 67 on Sunday. If you noticed there is an interval of 7 pages between each day.

Hope this will help.

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Use the quadratic expression 25x2−y2 to answer the questions.

vova2212 [387]

Answer:

Part A)

This quadratic expression can be factored by using the difference of squares pattern.

Part B) (5x+y) and (5x-y)

Step-by-step explanation:

Given:

25x^2-y^2

above polynomial can be factorize by using difference of squares formula

a2-b2=(a+b)(a-b)

25x^2-y^2= (5x-y)(5x+y)

so for part A)

correct option is This quadratic expression can be factored by using the difference of squares pattern.

Part B)

As factored above in part A,

the factors of given polynomial 25x^2-y^2 are (5x+y)(5x-y)

so for part B) correct options are (5x+y) and (5x-y) !

8 0

4 years ago

Before the industrial revolution in 1800 the concentration of carbon in Earth’s atmo- sphere was 280 ppm. The concentration in 2

slega [8]

Answer: There is increase of 4.255 in the amount of carbon in the atmosphere.

Step-by-step explanation:

Since we have given that

Concentration of carbon in Earth's atmosphere in 1800 = 280 ppm

Concentration of carbon in Earth's atmosphere in 2015 = 399 ppm

We need to find the percentage increase in the amount of carbon in the atmosphere.

So, Difference = 399-280 = 119 ppm

so, percentage increase in the amount of carbon is given by

$\dfrac{Difference}{Original}\times 100\\\\=\dfrac{119}{280}\times 100\\\\=\dfrac{11900}{280}\\\\=42.5\%$

Hence, there is increase of 4.255 in the amount of carbon in the atmosphere.

4 0

3 years ago

Brian decided to start a dog-walking service. He's going to charge each dog owner $4.50 to walk one dog and $6.75 to walk two do

puteri [66]

Answer:

119.25

Step-by-step explanation:

13 x 4.50 = 58.5

9 x 6.75 = 60.75

58.5 + 60.75 = 119.25

8 0

3 years ago

Find x<br> 8x + 14<br> 9x + 2<br> A) 8<br> C) 11<br> B) 7<br> D) 12

solniwko [45]

The answer is D) 12
8x +14=9x+12
8x+12=9x
12=1x
x=12

6 0

3 years ago

A deck of 52 cards is shuffled. The first five cards of the deck are red. What is the probability that the last card in the deck

saveliy_v [14]

Answer:

The answer is " $\frac{1}{47}$ ".

Step-by-step explanation:

Although the five first players are red, the very first five cards are not spaded as the spad is a black card.

Its chance of the final card mostly on deck being the ace of spades is therefore determined as:

$= \frac{1}{\text{Number of remaining cards with the initial 5 cards}} \\\\= \frac{1}{47}$

Thus, $\frac{1}{47}$ here is the necessary chance.

7 0

3 years ago