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3 years ago

Will give brainliest

Mathematics

2 answers:

antiseptic1488 [7]3 years ago

8 0

Step-by-step explanation:

5/7× 4/15÷ 9/28

Multiply 5/7 & 4/15

= 4*5=20

7*15= ____

Then you divide by 9/28

Im posting a video link : <u>https://youtu.be/T3D9z6lUldM</u>

Bezzdna [24]3 years ago

5 0

Answer:

5/7 ×4/15÷9/28

=5/7×4/15×28/9

560/945

16/27 is your answer

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3 years ago

Apply the product rules to determine the sign of each expression

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Answer:

Step-by-step explanation:

1). $(\frac{-4}{9})\times (\frac{7}{4})=(-1)(\frac{4}{9})(\frac{7}{4} )$

$=-\frac{7}{9}$ [Negative]

2). $(-2\frac{3}{4})(-1\frac{1}{5})=(-1)(2\frac{3}{4})(-1)(1\frac{1}{5})$

$=(-1)^2(2\frac{3}{4})(1\frac{1}{5})$

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4). $(-\frac{1}{6})(-2)(-\frac{3}{5})(-9)$ = $(-1)(\frac{1}{6})(-1)(2)(-1)(\frac{3}{5})(-1)(9)$

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5). $(-\frac{4}{7})(-\frac{3}{5})(-9)=(-1)(\frac{4}{7})(-1)(\frac{3}{5})(-1)(9)$

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$=-(\frac{10}{7})(\frac{8}{3})$ [Negative]

3 0

3 years ago

Read 2 more answers

What is the equation in point-slope form of the line that passes through the points (7, 5) and (−4, −1)?

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The point-slope form:

$y-y_1=m(x-x_1)$

m - slope

(x₁, y₁) - point

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (7, 5) and (-4, -1). Substitute:

$m=\dfrac{-1-5}{-4-7}=\dfrac{-6}{-11}=\dfrac{6}{11}$

$y-(-1)=\dfrac{6}{11}(x-(-4))\\\\\boxed{y+1=\dfrac{6}{11}(x+4)}$

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3 years ago

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3 years ago