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earnstyle [38]
3 years ago
14

Evaluate the following expression. round your answer to decimal places. log7 9

Mathematics
2 answers:
Natasha2012 [34]3 years ago
8 0
1.9 would be your answer. Im not sure how exactlu to do LOG but it is on my calculator so I typed in 79 LOG and it was 1.8976... and so I rounded it to 1.9
Natasha_Volkova [10]3 years ago
4 0

Answer:

1.1292 (Answer to 4 decimal places)

Step-by-step explanation:

Using the law of Logarithm that states

Log ₐ B = log b/log a

Log ₇ 9 = Log 9/Log 7

            = 0.9542/0.8451

            = 1.1292

Therefore,

Log ₇ 9 = 1.1292 (Answer to 4 decimal places)

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A rectangle has an area of 40 sq units , then length is 6 units greater than the width
devlian [24]

Answer:

A=L*W

Let w be width

L=(w+6)

40=(w+6)*w

40= w^{2} +6w

w^{2} +6w-40=0

w^{2}+10w-4w-40=0  

w(w+10)-4(w+10)=0

(w-4)(w+10)=0

w=4

Length= 10 units

Width=4 units

Step-by-step explanation:

6 0
3 years ago
In order to remove water from a flooded basement, two pumps, each rated at 40 gallons per minute, are used. After half an hour,
Scrat [10]

Answer:

3600 gallons of water was removed from the basement.

Step-by-step explanation:

Given:

Rate of each pump = 40 gallons/min

We need to find find the number of gallons of water removed from the basement.

Solution:

Now Given:

After half an hour, the one pump burns out.

Now we know that;

1 hour = 60 mins

\frac12 hour = \frac{60}{2}=30\ mins

Now for 30 mins both the pumps were working and removing the water.

So we can say that;

Water remove for first 30 mins = 40\times2\times30=2400\ gallons

Also Given:

the second pump finishes removing the water half an hour later.

So we can say that;

Water removed for next 30 mins = 40\times 30\times1 =1200\ gallons

Now we can say that;

Total water removed from the basement is equal to sum of Water remove for first 30 mins and Water removed for next 30 mins .

framing in equation form we get;

Total water removed from the basement = 2400+1200=3600\ gallons.

Hence 3600 gallons of water was removed from the basement.

6 0
3 years ago
Can somebody help me
KiRa [710]

Answer:

Step-by-step explanation:whtyui

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6 0
2 years ago
State 5.126 to two decimal places​
Kryger [21]

Answer:

5.13

Step-by-step explanation:

Look at the number at the end, and if it's 5 or more, round up. the 6 is greater than or equal to 5, so you round up, dropping the six and making the 2 into a 3, giving you 5.13.

7 0
3 years ago
Solve for p<br>6 = 3 + 3p<br>P=​
garik1379 [7]

Answer:

1

Step-by-step explanation:

6=3+3p

6-3=3p

3=3p

3/3=p

1=p

7 0
3 years ago
Read 2 more answers
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