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3 years ago

?????????help pls??????????

Mathematics

1 answer:

valina [46]3 years ago

5 0

Answer:

distributive property

Step-by-step explanation:

i think its distributive property

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Dwayne estimated his mass as 6 kilograms. Is his estimate reasonable? Explain your answer.

dmitriy555 [2]

Answer:

no this is only about 13 pounds

Step-by-step explanation:

3 0

3 years ago

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4. What are the coefficients in the polynomial 7x² - 4x + 6? (1 poin

skad [1K]

Answer:

D.) 7 and -4

Step-by-step explanation:

Coefficients are numbers placed directly before a variable.

(7) is a coefficient because it is placed before x².

(-4) is a coefficient because it is placed before x. The negative is included.

(6) is not a coefficient because it is not altering any variable through multiplication/division.

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2 years ago

Explain why any number that is divisible by 9 is also divisible by 3.

slamgirl [31]

Since 3 x 3 = 9, 9 is divisible by 3. So, 3 would be a factor of any number divisible by 9

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3 years ago

How do I write this fraction as a decimal 14 3/5

Softa [21]

we have

$14 \frac{3}{5}$

This is a mixed number

we know that

A mixed number is a combination of a whole number and a fraction.

$14 \frac{3}{5}$ is equal to

$14 +\frac{3}{5}$

where

$14$ is the whole number

$\frac{3}{5}$ is the fraction

$\frac{3}{5}=0.60$

$14 +\frac{3}{5} =14+0.60\\ \\ =14.60$

therefore

the answer is

$14.60$

3 0

3 years ago

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QUADRATIC FORMULA SIMPLIFIED PLZ HELP

olga2289 [7]

Answer:

3x² + 5x + 1 = 0 simplified

x = (-5 ± $\sqrt{13}$ )/6 roots

Step-by-step explanation:

Given quadratic formula

3x² + 5x - 5 = - 6

Standard form

ax² + bx + c = 0

Simplifying

3x² + 5x - 5 + 6 = 0
3x² + 5x + 1 = 0

Solving

x = (-5 ± $\sqrt{5^2 -4*3*1}$ )/(2*3)
x = (-5 ± $\sqrt{13}$ )/6

6 0

3 years ago