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anastassius [24]

3 years ago

8

The equation x + y = z relates the whole numbers x, y, and z. How does z compare to x? If it helps, consider an example where yo

u substitute 3 for x, 5 for y, and 8 for z

1 answer:

vovangra [49]3 years ago

6 0

Answer:

The equation x + y = z relates the whole numbers.

Hopefully, this helps! :D

Ask your question below!

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How do I simply -x=7

kogti [31]

Answer:

x = -7

Step-by-step explanation:

-x = 7 (Move variables to one side, already done in this case.)

$\frac{-x}{-1}$ $\frac{7}{-1}$ (Divide both sides by -1. Do this to get the x by itself.)

x = -7 (Final Answer)

Any Votes, Thanks, and Brainlyest would be appreciated.

6 0

3 years ago

Read 2 more answers

Please help me with all thank you

kvasek [131]

1)180= 18 tens(18*10=180)
2)1600=16 hundreds(16*100=1600)
3)6000=6 thousands(6*1000=6000)
4)2700=27 hundreds(27*100=2700)

Hope this helps:)

6 0

3 years ago

Slove the equation 4x= -36

mario62 [17]

Hello!

To solve the problem, we must isolate x to determine what it is equal to.

4x = -36

x = -36/4 (we isolated x by dividing it on both sides)

x = -9

We can determine that x is equal to -9

I hope this helps you! Have a lovely day!

8 0

4 years ago

Read 2 more answers

Evaluate if x = 4 helppp

lakkis [162]

Answer 4^2+4=20 Explanation x^2+x=? so 4^2(4x4=16)+ 4 = 20

3 0

3 years ago

Find the SUm of the infinite series.

givi [52]

I'll do problem 13 to get you started.

The expression $4\left(\frac{2^n}{7^n}\right)$ is the same as $4\left(\frac{2}{7}\right)^n$

Then we can do a bit of algebra like so to change that n into n-1

$4\left(\frac{2}{7}\right)^n\\\\4\left(\frac{2}{7}\right)^n*1\\\\4\left(\frac{2}{7}\right)^n*\left(\frac{2}{7}\right)^{0}\\\\4\left(\frac{2}{7}\right)^n*\left(\frac{2}{7}\right)^{1-1}\\\\4\left(\frac{2}{7}\right)^n*\left(\frac{2}{7}\right)^{1}*\left(\frac{2}{7}\right)^{-1}\\\\4*\left(\frac{2}{7}\right)^{1}\left(\frac{2}{7}\right)^n*\left(\frac{2}{7}\right)^{-1}\\\\\frac{8}{7}\left(\frac{2}{7}\right)^{n-1}\\\\$

This is so we can get the expression in a(r)^(n-1) form

a = 8/7 is the first term of the geometric sequence
r = 2/7 is the common ratio

Note that -1 < 2/7 < 1, which satisfies the condition that -1 < r < 1. This means the infinite sum converges to some single finite value (rather than diverge to positive or negative infinity).

We'll plug those a and r values into the infinite geometric sum formula below

S = a/(1-r)

S = (8/7)/(1 - 2/7)

S = (8/7)/(5/7)

S = (8/7)*(7/5)

S = 8/5

S = 1.6

------------------------

Answer in fraction form = 8/5

Answer in decimal form = 1.6

7 0

3 years ago