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elena55 [62]
2 years ago
6

Need help asap!!!! need answers

Mathematics
1 answer:
Darina [25.2K]2 years ago
6 0

Answer:

sorry

Step-by-step explanation:

wish I new

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Evaluate the expression : common log of square root 9/25.
tekilochka [14]

You want log √(9/25).  Recognizing that √9 = 3 and that √25 = 5, we get

log 3/5, which by rules of logs comes out to log 3 - log 5.

To four decimal places:

log 3 - log 5 = 0.4771 - 0.6990, or -0.2218.

4 0
3 years ago
Enter the lengths of QS and TV<br><br>QS=<br>TV=​
kicyunya [14]
3v + 2 = 7v
2 = 4v
1/2 = v

QS = 3v + 2
= 3(1/2)+ 2
= 1.5 + 2
= 3.5

TV = 7v
= 7(1/2)
= 3.5
5 0
3 years ago
A train goes twice as fast downhill as it can go uphill, and 2/3 feet as fast uphill as it can go on level ground. If it goes 12
Yuri [45]

Answer:

0.5hrs

Step-by-step explanation:

Let the speed downhill be x,

Speed uphill is 0.5x. We are told than speed uphill is \frac{2}{3} the speed on flat ground. Therefore the speed on level ground will be \frac{0.5x}{2/3}=0.75x.

From this info, we can obtain the actual speed,v_g on level ground as:

x=120m/h\\0.75x=v_g\\\\\therefore v_g=\frac{0.75x \times 120m/h}{x}\\v_g=90m/h

speed, distance and time have the relation s=d/t so to obtain time to cover 45miles:

t=d/s\\=45/90\\=0.5h

Hence it takes 0.5hrs to cover 45miles on flat ground.

4 0
3 years ago
Convert the fraction greater than one into a mixed number 9/4
Pani-rosa [81]

Answer: 2 1/4

Step-by-step explanation:

7 0
3 years ago
PLEASE ANSWER ASAP!
muminat

Answer:

I think it volume will be 234m3

7 0
2 years ago
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