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3 years ago

3497 to 1 significant figure

Mathematics

1 answer:

kirza4 [7]3 years ago

7 0

1 significant figure would be 3000

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I need help please :(

kakasveta [241]

Answer:

Sketch the graph of y=7^x

Reflect the graph across the y-axis to show the function y=7^-x

Stretch the graph vertically by a factor of 3 to show the function y= 3*7^-x

Shift the graph up 2 units to show the function y=3*7^-x+2

6 0

3 years ago

Consider the following system of equations. -10x2-10y2=-300 5x2+5y2=150 Which statement describes why the system has infinite so

scoundrel [369]

Answer:

The equations represent circles that result in the same graph.

Step-by-step explanation:

we have

$-10x^{2}-10y^{2}=-300$

Divide by -10 both sides

$x^{2}+y^{2}=30$ -----> equation A

This is the equation of a circle centered at origin with radius $r=\sqrt{30} \ units$

and

$5x^{2}+5y^{2}=150$

Divide by 5 both sides

$x^{2}+y^{2}=30$ -----> equation B

This is the equation of a circle centered at origin with radius $r=\sqrt{30} \ units$

equation A and equation B are equal

therefore

The system has infinite solutions, because the equations represent circles that result in the same graph.

4 0

3 years ago

X^2 +18 =15 could anyone help me with this?

stiv31 [10]

Answer:

x = i√3, -i√3

Step-by-step explanation:

Simply take the root of both sides, then solve.

8 0

3 years ago

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Find the number of combinations for choosing two people from six.

Talja [164]

Number of combinations = (6x5) ÷ 2 = 15

Answer:There are 15 combinations

7 0

3 years ago

[NEED HELP]

Alinara [238K]

Answer:

1. vertical-line test

2.y=x

3.x

4.domain

Step-by-step explanation:

I just did it on edg and it’s right.

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3 years ago

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