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3 years ago

Why it is not reasonable to say that 4.23 is less than 4.135

Mathematics

2 answers:

Schach [20]3 years ago

8 0

Because if you think without the decimal points then see which one is greater.

hope this helps

Kay [80]3 years ago

6 0

It is not reasonable to say that 4.23 is less than 4.135,
because 4.23 is more than 4.135.

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How do you solve f(x) = x2 + x - 20?

Darina [25.2K]

$\huge \bf༆ Answer ༄$

Let's solve ~

${ \qquad{ \sf{ \dashrightarrow}}} \: \: \sf \: {x}^{2} + x - 20$

${ \qquad{ \sf{ \dashrightarrow}}} \: \: \sf \: {x}^{2} + 5x - 4x - 20$

${ \qquad{ \sf{ \dashrightarrow}}} \: \: \sf \:x(x + 5) - 4(x + 5)$

${ \qquad{ \sf{ \dashrightarrow}}} \: \: \sf \:(x + 5)(x - 4)$

It's factorized now ~ And if you want to find the zeros then equate the expression with 0.

And you will get ;

${ \qquad{ \sf{ \dashrightarrow}}} \: \: \sf \:x = - 5 \: \: and \: \: 4$

4 0

2 years ago

What is -65 x -2? 5j + 10j?

dolphi86 [110]

They are both simple exercises in addition.
The solutions are:

(-65) x (-2) = 130

(5j) + (10j) = 15j

8 0

4 years ago

A bag contains 3 gold marbles, 9 silver marbles, and 20 black marbles. Someone offers to play this game: You randomly select one

Genrish500 [490]

What’s the question?

3 0

2 years ago

If tn = 4n+1, find t1, t2, t3, and tn+1. Express tn+1−tn in its simplest form.

Doss [256]

Answer:

$t_1=5$

$t_2=9$

$t_3=13$

$t_{n+1}-t_n=4$

Step-by-step explanation:

We have that:

$t_n=4n+1$

When we substitute n=1, we get:

$t_1=4*1+1=5$

When we substitute n=2 we get:

$t_2=4*2+1=9$

When we substitute n=3, we get:

$t_3=4*3+1=13$

When we substitute n=n+1, we get:

$t_{n+1}=4*(n+1)+1=4n+5$

Now

$t_{n+1}-t_n=4n+5-(4n+1)$

We expand and simplify to obtain:

$t_{n+1}-t_n=4n+5-4n-1$

$t_{n+1}-t_n=4$

3 0

3 years ago

our friend purchased a medium pizza for $10.31 with a 30% off coupon. What is the price of a medium pizza without a coupon?

makkiz [27]

Answer:

$7.22 or $7.217

Step-by-step explanation:

$7.22 would be the answer because 70% of 10.31 is what you are looking for which is 7.217 which is rounded to 7.22

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3 years ago