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3 years ago

How can you rewrite the number 1 as 10 to a power?

Mathematics

1 answer:

zheka24 [161]3 years ago

5 0

Answer:

${1}^{10}$

${1}^{2}$

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1)Sheyna drive to the lake and back. It took two hours less time to get there than it did to get back. The average speed on the

ipn [44]

Answer:

8 hours

Step-by-step explanation:

Given:

Sheyna drives to the lake with average speed of 60 mph and

$v_1 = 60\ mph$

Sheyna drives back from the lake with average speed of 36 mph

$v_2 = 36\ mph$

It took 2 hours less time to get there than it did to get back.

Let $t_1$ be the time taken to drive to lake.

Let $t_2$ be the time taken to drive back from lake.

$t_2-t_1 = 2$ hrs ..... (1)

To find:

Total time taken = ?

$t_1+t_2 = ?$

Solution:

Let D be the distance to lake.

Formula for time is given as:

$Time =\dfrac{Distance}{Speed }$

$t_1 = \dfrac{D}{60}\ hrs$

$t_2 = \dfrac{D}{36}\ hrs$

Putting in equation (1):

$\dfrac{D}{36}-\dfrac{D}{60} = 2\\\Rightarrow \dfrac{5D-3D}{180} = 2\\\Rightarrow \dfrac{2D}{180} = 2\\\Rightarrow D = 180\ miles$

So,

$t_1 = \dfrac{180}{60}\ hrs = 3 \ hrs$

$t_2 = \dfrac{180}{36}\ hrs = 5\ hrs$

So, the answer is:

$t_1+t_2 = \bold{8\ hrs}$

8 0

3 years ago

What isle is the tattoo ink in walmart???

storchak [24]

Answer: what

Step-by-step explanation:

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3 years ago

Read 2 more answers

Another one another one...........

USPshnik [31]

Answer:

Hope it helped you out

Tysm

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3 years ago

Please help me with this??

Ludmilka [50]

Answer:

c, d and f are rational numbers

Step-by-step explanation:

$c) 3\sqrt{5}*2\sqrt{5}=3*2*\sqrt{5*5} = 3*2*5 = 30\\\\\\d) \dfrac{3\sqrt{5}}{2\sqrt{5}}= \dfrac{3}{2}\\\\\\f) \dfrac{2\sqrt{5}}{3\sqrt{5}}= \dfrac{2}{5}$

6 0

2 years ago

What is the average of -2.6, 1.8, -3.3, -2.7, 2.2 ?<br> I dont understand this.

olya-2409 [2.1K]

Average = Mean

To find the mean, add up the numbers and divide it by how many numbers there are.

So, $-2.6+1.8+(-3.3)+(-2.7)+2.2=-4.6$

There are 5 numbers in total.

$-4.6 \div 5=-0.92$

To do these types of division, ignore the decimal and add a 0 at the end.

So we can do:
$-460\div5=-92$

And put back the decimal.
Hope this helps :)

4 0

3 years ago