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3 years ago

Find the 50th term of the sequence 5,-2,-9,-16

Mathematics

2 answers:

tino4ka555 [31]3 years ago

8 0

The 50th term of the sequence is 215

MA_775_DIABLO [31]3 years ago

8 0

The 50th therm of the sequence is -338

So therefor the answer is -338

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Write down the gradient of the line<br>(1 Point)<br>y=1/2x

aalyn [17]

Answer:

$\frac{1}{2}$

Step-by-step explanation:

The equation of a line in point- slope form is

y = mx + c ( m is the slope ( gradient ), c is the y- intercept )

y = $\frac{1}{2}$ x ← is in point- slope firm

with gradient = $\frac{1}{2}$

7 0

3 years ago

Simplify 25^ - 1/2 <br><br>Please explain! I know the answer is 1/5 but why?

lisov135 [29]

$(25)^{-\frac{1}{2} }$

When the exponent is negative, you have to make the number a fraction(1 over the number).

For example:

$25^{-2} = \frac{1}{25^{2} }$

$x^{-1} =\frac{1}{x^{1} }$

This gets rid of the negative, but it leaves the exponent

$(25)^{-\frac{1}{2}} = \frac{1}{25^{1/2}}$

When an exponent is a fraction, it is the square root.

For example:

$x^{\frac{1}{3}} = \sqrt[3]{x}$

$x^{\frac{1}{2}} =\sqrt{x}$

$x^{\frac{1}{4}}=\sqrt[4]{x}$

So...

$\frac{1}{25^{1/2}} = \frac{1}{\sqrt{25} } = \frac{1}{5}$

3 0

4 years ago

Khan academy distance between two points

gogolik [260]

Answer:

$\sqrt{37}$

Step-by-step explanation:

you can use the pythagorean theorem. form a triangle, the distance on one side should be 6, the other 1. $6^{2} +1^{2} =c^{2} , 37=c^{2} , c=\sqrt{37}$

3 0

3 years ago

Read 2 more answers

One person can do a certain job in ten minutes, and another person can do the same job in fifteen minutes. How many minutes will

Alexxandr [17]

A can do 1 job in 10 min. means 1/10 job per min.
B can do 1/15 job per min.

together A&B can do 1/10+1/15 =1/6 job per min.

1/6 job they spend 1 min
1 spend 1x1/(1/6) = 6 min

4 0

3 years ago

What is one fifth of the difference of a number and 1

vichka [17]

Answer:

1/5(1-x)

Step-by-step explanation:

Distributed

1/5-1/5x

5 0

3 years ago

Read 2 more answers