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2 years ago

Which month has 31 days? A- October B- June C-September

Mathematics

2 answers:

Brums [2.3K]2 years ago

4 0

Answer:

October

Step-by-step explanation:

because June and September have 30

days

Scilla [17]2 years ago

3 0

Answer:

<u>A - October</u>

Step-by-step explanation:

October has 31 days
June has 30 days
September has 30 days

⇒ <u>October</u> is the month which has 31 days

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Select the best answer 7 x (-3) x (-2)^2=

vlada-n [284]

7(-3)(-2)²

-21(-2)²

-21(4)

= -84

I hope that's help !

6 0

3 years ago

Find the slope of a line if the points (2,-1) and (5,3) are on the line

Romashka [77]

Answer:

$\huge{ \boxed{ \sf{ \frac{4}{3} }}}$

Step-by-step explanation:

$\star{ \sf{ \: Let \: the \: points \: be \: A \: and \: B}}$

$\star{ \sf{ \: Let \: a(2,-1) \: be \: (x1 \:, y1) \: and \: b (5,3) \: be \: (x2 \:, y2)}}$

$\underline{ \sf{Finding \: the \: slope \: of \: the \: line}}$

$\boxed{ \sf{Slope = \frac{y2 - y1}{x2 - x1} }}$

$\mapsto{ \sf{Slope = \frac{3 - ( - 1)}{5 - 2} }}$

$\mapsto{ \sf{Slope = \frac{3 + 1}{5 - 2}}}$

$\mapsto{ \sf{Slope = \frac{4}{3} }}$

Hope I helped!

Best regards! :D

~ $\text{TheAnimeGirl}$

4 0

3 years ago

James was working on his school homework for 2 hours. He spent 1/3 of this time working on math, and 1/4 of the rest of the time

AlladinOne [14]

2 hours = 120 minutes

120/3 = 40

= 40 minutes

3 0

2 years ago

An online file storage site offers a payment plan where users

lozanna [386]

Answer: 95.40

Step-by-step explanation:

7.95*12=95.40

6 0

2 years ago

An engine cylinder 13.7 cm deep is being bored such that the radius increases by 0.13 mm divided by min. How fast is the volume

zzz [600]

Answer:

Step-by-step explanation:

Given that an engine cylinder 13.7 cm deep is being bored such that the radius increases by 0.13 mm divided by min.

We convert everything in mm for uniformity

We have formula for volume as

$V=\pi r^2 h$

Given that $\frac{dr}{dt} =0.13$

h is constant

$V= 3.14 (r^2) (13.7)\\\frac{dV}{dt} =6.28 (137) r dr/dt\\= 6.28(137)\frac{ (97)}{2} 0.13$

= 6954.67 mm/sec^3

6 0

3 years ago