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My name is Ann [436]
3 years ago
8

Brainliest and points!!

Mathematics
1 answer:
bezimeni [28]3 years ago
7 0

Answer:

5

Step-by-step explanation:

1 x 5 = 5

5 x 5 = 25

25 x 5 = 125

125 x 5 = 625

and so on and so on

5 + 5 = 10 5 + 5 = 10

10 + 10 = 20

20 + 5 = 25

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Two canoes travel down a river, starting at 10:00. One canoe travels twice as fast as the other. After 3.5 hr, the canoes are 5.
vesna_86 [32]

Answer:

Step-by-step explanation:

The time for each canoe is 3.5 hours

The total distance traveled by the first canoe is not known. Nor is the distance for the second canoe. We do know that the difference is 5.25 miles.

So let the rate of the slower canoe = x

Let the rate for the second canoe = 2x

The first canoe goes a distance of 2*x * 3.5 = 7x

The second canoe goes a distance of 3.5x

The difference = 7x - 3.5x = 5.25

3.5x = 5.25                                       divide by 3.5

x = 5.25/3.5

x = 1.5 which is the rate of the slower canoe

2x = 3  which is the rate of the faster canoe    

5 0
3 years ago
What is the answer to 5-10x<-145
Nuetrik [128]

Answer:

x > 15

Step-by-step explanation:

So here we have to find the value of x

So, Subtract 5 from both sides;

-10x < -5 - 145

Now collect like terms,

-10x < -150

Divide both sides by -10

x > 15

The sign changes because if an equality is divided by a negative number the sign automatically changes.

7 0
3 years ago
A group of 20 dogs are at the dog park. Fourteen of the dogs have an average weight of 45 pounds. The remaining dogs have an ave
AlekseyPX
32.5 is the average. Hope this helps :)
8 0
3 years ago
Read 2 more answers
Robert drove at an average speed of 60 miles per hour for 6 hours. Nancy drove for 7 hours at an average speed of 56 miles per h
g100num [7]
A)1. 60/6=10
2. 56/7=8
3. 10-8=2

B)1.10
2.8
3.10+8=18

C)1. 360
2.392
3. 360+392=752

D)1. 360
2. 392
3. 360-392=-32
8 0
3 years ago
5 × 10 to the power of 22 is how many times greater than 1 × 10 to the power of 21
alekssr [168]

Answer:

50 times greater

Step-by-step explanation:

If there are two numbers A and B, where A is greater than B,

If we want to find how many times greater A is to B, we simply divide, so that would be

A/B

Now, we have

5*10^{22}

and

1*10^{21}

We simply need to divide to find how much greater is the first number than the second number. Remember dividing numbers in scientific notation:

\frac{a*10^b}{c*10^d}\\=(\frac{a}{c})*10^{b-d}

Thus, we have:

\frac{5*10^{22}}{1*10^{21}}\\=(\frac{5}{1})*10^{22-21}\\=5*10^{1}\\=5*10\\=50

So the first number is 50 times greater than the second

4 0
3 years ago
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