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3 years ago

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Today, she continued reading the book at the same speed. She read 10 pages in 35 minutes. How much time did she spend reading th

e book yesterday? A. 11 minutes B. 25 minutes C. 49 minutes D. 39 minutes

2 answers:

7nadin3 [17]3 years ago

6 0

Answer:

49min

Step-by-step explanation:

Blizzard [7]3 years ago

6 0

Answer:

c. 49min

Step-by-step explanation:

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(3⁵)²/3⁻²<br><br> A. 3¹⁰<br><br> B. 3¹²<br><br> C. <img src="https://tex.z-dn.net/?f=3%5E%7B9%7D" id="TexFormula1" title="3^{9}"

Novosadov [1.4K]

Answer:

B. 3¹²

Step-by-step explanation:

To solve this we need to apply the following laws of exponents:

1. $(a^n)^m=a^{n*m}$

2. $a^{-n}=\frac{1}{a^n}$

Let's apply the first law to the numerator of our fraction and the second law to the denominator. For the numerator, $(3^5)^2$ , $a=3$ , $n=5$ , and $m=2$ . For the denominator $3^{-2}$ , $a=3$ and $n=-2$

Replacing values

$\frac{(3^5)^2}{3^{-2}} =\frac{3^{5*2}}{\frac{1}{3^2} } =\frac{3^{10}}{\frac{1}{3^2} }$

Now, remember that to divide fractions we just need to invert the order of the second fraction and multiply:

$\frac{3^{10}}{\frac{1}{3^2} }=3^{10}*\frac{3^2}{1} =3^{10}*3^2$

Finally, we can use the law of exponents for multiplication to get our answer:

$a^n*a^m=a^{n+m}$

$3^{10}*3^2=3^{10+2}=3^{12}$

We can conclude that the correct answer is B. 3¹²

8 0

4 years ago

Pls order these thankiesss

Eva8 [605]

Answer:

-9/8, -3/2, 0, 2/5, 8/7

hope this helped :)

5 0

3 years ago

Read 2 more answers

What was the distance from P to n, shown in the figure?<br><br>A. -3<br>B. 1<br>C. 4<br>D. 5

Nuetrik [128]

Answer:

D. 5

Step-by-step explanation:

Assuming 1 box = 1 unit on the coordinate grid, therefore:

Coordinate of point P on the graph = 1

Coordinate of the point at which the ray from point P meets at line n = -4

Distance from P to n = |1 - (-4)|

= |1 + 4|

Distance from P to n = 5 units

The answer is D. 5

5 0

4 years ago

Find the total cost. (How much you pay.<br> Original price of a car: $21,589<br> Tax: 9%

liraira [26]

Answer:

23532.01

Step-by-step explanation:

21,589 x 1.09 = 23532.01

We add a 1 to 0.09 to make there fewer steps when doing it manually.

3 0

2 years ago

Read 2 more answers

Paraphin [41]

Answer:

false

Step-by-step explanation:

6 0

3 years ago