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3 years ago

How do you model .7 on a number line

Mathematics

2 answers:

nekit [7.7K]3 years ago

8 0

Answer:

(this won't really be good since the

number line would be longer if you are

modeling 7)

Step-by-step explanation:

<----------------------------|------------>

Rasek [7]3 years ago

3 0

Answer:

.7 is over 0 and under 1 so u have to make the mark just in between them right I front of the half way mark.

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Which represents a quadratic function y=2(x+2)(x-1) in standard form

ale4655 [162]

answer: y= 2x^2+2x-4
steps:
y= (2x+4)(x-1)
*FOIL method* y= (2x^2-2x+4x-4)
*simplify* y= 2x^2+2x-4

4 0

3 years ago

Simplify (square root 2)( square root of 2^3)

steposvetlana [31]

Answer:

$\large\boxed{(\sqrt2)(\sqrt{2^3})=4}$

Step-by-step explanation:

$(\sqrt2)(\sqrt{2^3})\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\=\sqrt{2\cdot2^3}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=\sqrt{2^{1+3}}=\sqrt{2^4}\\\\(1)=\sqrt{2^{2\cdot2}}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=\sqrt{(2^2)^2}\qquad\text{use}\ \sqrt{a^2}=a\ \text{for}\ a\geq0\\\\=2^2=4\\\\(2)=\sqrt{2\cdot2\cdot2\cdot2}=\sqrt{16}=6\ \text{because}\ 4^2=16$

8 0

3 years ago

A classroom has a presentation system that consists of four components, each of which must activate if the system is to work ade

Vikki [24]

Answer:

0.87

Step-by-step explanation:

According to the scenario, computation of given data are as follows,

As, each must be activated, this shows that components are in series.

So, we can calculate reliability of system by using following formula,

System reliability with components in series = System reliability 1 × System reliability 2 × System reliability 3 × System reliability 4

So, overall system reliability = 0.97 × 0.99 × 0.97 × 0.93

overall system reliability = 0.866 or 0.87

8 0

3 years ago

HELP ME PLEASEE faiuurhdkdgkgd

inysia [295]

Answer:

Option b is the right answer.

5 0

3 years ago

Please i need help asap

murzikaleks [220]

Answer:

WHEN YOU

Step-by-step explanation:

WHEN YOU MULTIPLY 1X1 YOU GET ONE

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3 years ago