3 years ago

Explain how you can tell if the product of a fraction and a whole number will be a whole number.

Mathematics

1 answer:

RSB [31]3 years ago

6 0

Multiply the numerator with the whole number. If it is divisible by the denominator then it will be a whole number.

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Part A: Factor 3x2y2 − xy2 − 2y2. Show your work. (4 points) Part B: Factor x2 + 6x + 9. Show your work. (3 points) Part C: Fact

san4es73 [151]

A) the greatest common factor is y^2 so

y^2(3x^2-x-2)

...

B) x^2+6x+9

x^2+3x+3x+9

x(x+3)+3(x+3)

(x+3)(x+3)

(x+3)^2

C)

x^2-25

x^2-5x+5x-25

x(x-5)+5(x-5)

(x+5)(x-5)

4 0

2 years ago

Can somebody help me? Preferably with working out if possible

Kamila [148]

Answer:

d = 9

Step-by-step explanation:

Given

1 = $\frac{1}{3}$ d - 2 ( multiply through by 3 to clear the fraction )

3 = d - 6 ( add 6 to both sides )

9 = d

3 0

2 years ago

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anygoal [31]

Answer:

0.86

Step-by-step explanation:

3 0

2 years ago

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How do i figure this out???

Vladimir [108]

Theres 8 edges, 5 vertices, and 5 faces.

6 0

3 years ago

Use the slope formula to find the slope of the line through the points (2,10) and (10,−8).

Salsk061 [2.6K]

The slope formula is the changes of two y-values over/to the changes of two x-values.

$\large \boxed{m = \frac{y_2 - y_1}{x_2 - x_1} }$

Substitute two given points in the formula to find the slope. The m-term represents the slope from y = mx+b.

$\large{m = \frac{10 - ( - 8)}{2 - 10} } \\ \large{m = \frac{10 + 8}{ - 8} } \\ \large{ m = \frac{18} { - 8} \longrightarrow \frac{9}{ - 4} } \\ \large \boxed{m = - \frac{9}{4} }$

Answer

The slope is -9/4.

Hope this helps and let me know if you have any doubts!

6 0

2 years ago

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