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Andru [333]
3 years ago
12

Match each logarithm to its value

Mathematics
1 answer:
valkas [14]3 years ago
7 0

Answer:

D

C

B

A

Step-by-step explanation:

In the picture ⬆️

Llllllllllllllllllllll

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Kwan hiked up a hill at 4 km/h and back down at 6 km/h. His total hiking time was 3 hours. How long did the trip up the hill tak
Leya [2.2K]

Let the time to hike up the hill  = t

As given that the total time time up and down is 3 hrs,  therefore

The time down the hill = 3-t

The distance up and down is the same.

Distance = speed * time

4t=6(3-t)

4t=18-6t

10t=18

t=1.8

Hence, time taken to uphill = 1.8 hours

Time taken to down hill = 3-18 = 1.2 hours

3 0
3 years ago
-4+3b^2=143<br><br> Simplest radical form
Karolina [17]

Answer:

- 4 + 3b {}^{2 }  = 143 \\ 3b {}^{2}  = 143 + 4 \\ 3b {}^{2} = 147 \\ b {}^{2}   =  \frac{147}{3}  \\ b {}^{2}  = 49 \\ b = 7

3 0
3 years ago
Martina went shopping. She spent a fifth of what she had in her wallet and then a fifth of what remained. In all, she spent $36.
Ymorist [56]

Answer:

36

Step-by-step explanation:

6 0
3 years ago
Which of the following options have the same value as 80% of 22?
Alex_Xolod [135]
80% of 22 can be written in the following ways:

1) 80% of 22 = 17.6

2)
0.8 x 22 = 17.6
The percentage is converted into decimal form.

3) 80/100 x 22 = 17.6
The percentage is converted into fraction form.

80/100 can be simplified to 4/5, and the point 3 can also be written as:

4) 4/5 x 22 = 17.6

Thus, following options have the same value as 80% of 22.
Option <span>A. 80/100 ⋅ 22
Option </span><span>D. 0.8 ⋅ 22
Option E. 4/5 ⋅ 22</span>
3 0
3 years ago
You are creating a collage of black-and-white and color photographs. Each black-and-white photo costs $3 to print and each color
Reil [10]

Answer:

6 black and white photos

9 color photos

Step-by-step explanation:

1. black and white photo = $3

2. color photo = $2

find number of each photo that will give you at least 12 photos

1. $3*6 = $18

2. $2*9 = $18

3. $36 = 15 photos (6 black and white, 9 color)

7 0
3 years ago
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