3 years ago

Which number has the same value as 7 X 1/1000

Mathematics

1 answer:

Yuki888 [10]3 years ago

5 0

Thw answer would be 0.007

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-2x^2+4x-1 from 6x^2+3x-9

kirza4 [7]

Answer:

$8{x}^{2} - x - 8$

Step-by-step explanation:

We want to subtract

$- 2 {x}^{2} + 4x - 1$

from

$6 {x}^{2} + 3x - 9$

We set up the subtracttion problem to get:

$6 {x}^{2} + 3x - 9 - ( - 2 {x}^{2} + 4x - 1)$

We expand the parenthesis to get:

$6 {x}^{2} + 3x - 9 + 2 {x}^{2} - 4x + 1$

Group similar terms:

$6 {x}^{2} + 2 {x}^{2} + 3x- 4x + 1 - 9$

We simplify to get:

$8{x}^{2} - x - 8$

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3 years ago

A team of scientists estimate the current number of butterflies in a park to be 20 thousand. The butterfly population is expecte

lesantik [10]

C. seems more plausible

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3 years ago

Plzzz help i need some help here ( its actually easy)

Maksim231197 [3]

$5.25? i think, im sorry if im wrong

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3 years ago

Read 2 more answers

A study of the effects of color on easing anxiety compared anxiety test scores of participants who completed the test printed on

Pavlova-9 [17]

Answer:

H0 : μYellow = μGreen

H1 : μYellow < μGreen

Step-by-step explanation:

Let :

Yellow paper = μYellow

Green paper = μGreen

To test the hypothesis :

The null hypothesis is will state that there is no difference in mean of anxiety scores obtained for test taken of yellow and green papers

H0 : μYellow = μGreen.

The alternative hypothesis is the opposite of the null and it is to the left, where we want to test if the anxiety score is lower when take on a yellow paper

H1 : μYellow < μGreen

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3 years ago

Whose constitution has about 400 amendments? A: Mexico B:United States C:Texas D: Louisiana

tensa zangetsu [6.8K]

The correct answer is C. Texas

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3 years ago