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3 years ago

HELP ME PLEASEEEEEEEEEEEE

Mathematics

1 answer:

amid [387]3 years ago

6 0

Answer:

x=in5

Step-by-step explanation:

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Apply the product rules to determine the sign of each expression

sammy [17]

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

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

$=(2\frac{3}{4})(1\frac{1}{5})$ [Positive]

3). (3)(-3)(-3)(-3)(-3) = 3.(-1).3.(-1).3.(-1).3(-1).(3)

= (-1)⁴(3)⁵

= (3)⁵ [Positive]

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

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

= $(\frac{1}{6})(2)(\frac{3}{5})(9)$ [Positive]

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

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

$=-(\frac{4}{7})(\frac{3}{5})(9)$ [Negative]

6). $(-\frac{10}{7})(\frac{8}{3})=(-1)(\frac{10}{7})(\frac{8}{3})$

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

3 0

3 years ago

Read 2 more answers

Question 3 (2 points)

inna [77]

Answer:

$19.50

Step-by-step explanation:

40% of $32.50 = $13.00

$32.50 - $13.00 = $19.50

Hope this helps!

7 0

3 years ago

What is the value of y in the equation 4(5y − 8 − 2) = 185 − 15? 8. 5 9. 7 10. 5 42. 5.

Bezzdna [24]

Answer:

10.5 is the answer

Step-by-step explanation:

4(5y−8−2)=185−15

(4)(5y)+(4)(−8)+(4)(−2)=185+−15(Distribute)

20y+−32+−8=185+−15

(20y)+(−32+−8)=(185+−15)(Combine Like Terms)

20y+−40=170

20y−40=170

20y−40+40=170+40

20y=210

20y/20=210/20

y=21/2

y=10.5

6 0

3 years ago

FOR A TEST!

JulijaS [17]

Answer:

the answer is 14.7 in

Step-by-step explanation:

3 0

3 years ago

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Is 1 over 3 rational

KATRIN_1 [288]

Yes it is because all fractions are rationals

4 0

3 years ago

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