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3 years ago

2 estimate of a quotient for 75÷4

Mathematics

2 answers:

steposvetlana [31]3 years ago

8 0

Answer:

Hiiiii

The answer is 75÷4= 18.75

Ahat [919]3 years ago

8 0

The answer is 18.75.

Depending on the full question the rounding may be off. Just remember that if it is 5 and up you round up. Four and down it rounds down.

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Simplify the expression:<br> 3v2–2v2+9v2

Andru [333]

Answer:

10v^2

Step-by-step explanation:

(I'm assuming the 2's are all exponents)

3v^2 - 2v^2 + 9v^2 <- think of it as 3 - 2 + 9 = 10, then add the rest back on

10v^2

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3 years ago

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X+y=14 y=10<br><br> solve the system and put the ordered pair

kifflom [539]

Answer:

mkzc bmk.Mxv

Step-by-step explanation:

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Quickly compute the following differences of squares. (a). 64^2 − 14^2 (b). 112^2 − 88^2 (c). 785^2 − 215^2

VikaD [51]

Answer:

(a) 3900

(b) 4800

Step-by-step explanation:

We have given

(a) $64^2-14^2$

We know the algebraic equation $a^2-b^2=(a+b)(a-b)$

So $64^2-14^2=(64+14)(64-14)=3900$

(b) We know the algebraic equation $a^2-b^2=(a+b)(a-b)$

$112^-88^2=(112+88)(112-88)=4800$

$785^2-215^2=(785+215)(785-215)=570000$

5 0

3 years ago

HELP! PLEASE I NEED HELP

Minchanka [31]

Hello there! :)

Answer:

y = -4x.

Step-by-step explanation:

Begin by finding the slope of the line using the slope formula:

$m = \frac{\text{rise}}{\text{run}} = \frac{y_2 - y_1}{x_2 - x_1}$

Plug in two points on the graph. We can use the points (-1, 4) and (0, 0):

$m = \frac{0 - 4}{0 - (-1)}$

Simplify:

m = -4.

Therefore, the equation of this line in slope-intercept form (y = mx + b) is:

y = -4x.

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3 years ago

Express each of the following as a rational number and represent them on the same number line :1/4 0.75 and -3

neonofarm [45]

Answer:

Step-by-step explanation:

1/4

0.75= 75/100=3/4

-3=-12/4

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7 0

3 years ago