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3 years ago

PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Kaylis [27]3 years ago

7 0

Answer:

Step-by-step explanation:

Two ways to do it. You can find the area of each shape then add it. Or just use the area of a trapezoid formula.

So, this is two shapes, a rectangle and triangle. Area for a rectangle is base times height, and area of a triangle is 1/2 times base times height.

Square: b*h = 8*10= 80

Triangle: 1/2*4*8 = 16

Total Area: 80+16 = 96

Area of a trapezoid is the two bases added together then divided by 2 and then you take that number and multiply it by the height. One base is 10 and the other is 14 so that's (10+14)/2*8 = 96

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Which of the following pairs show two congruent triangles?

Dvinal [7]

Answer:

B and C

Step-by-step explanation:

They're congruent

4 0

3 years ago

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Given f(x) =<br> + 2, find f(0)

horsena [70]

Answer:

Step-by-step explanation:

toookt the test dude

6 0

3 years ago

Please help find the value of x and show me steps so I can try to learn it!!

fiasKO [112]

Answer:

$x = 30$

Step-by-step explanation:

If we take a look at the given picture, we can see that both sides are almost completely identical, so they must almost have the same value.

Let us do the plug in. Keep in mind that the angle is obtuse, meaning over 90 degrees, and angle identical or lower than 90 is incorrect.

$x=18$

$(x + 90)°$

$(18 + 90) = 108$

True.

$4x$

$4(18) = 72$

False. Meaning the 18 would not work.

x = 22.5

$(22.5 + 90) = 112.5$

True.

$4(22.5) = 90$

False. Meaning that 22.5 does not work.

x = 30

$(30+90) = 120$

True.

$4(30) = 120$

True. Meaning that 30 is the answer and can work.

x = 54

$(54+90) = 144$

True.

$4(54) = 216$

False. Although the angle is larger than 90, 180 is a straight line, and we can see that the angles given are not straight lines or greater.

5 0

3 years ago

HELPPPP MEEE OUTTTT???

zhuklara [117]

<h3>Answer: June 22nd</h3>

=========================================================

Explanation:

1 hour = 60 minutes

1 day = 24 hours

1 day = (24 hrs)*(60 min/1hr) = 24*60 min = 1440 min

1 day = 1440 min

Divide 250,000 minutes over 1440 min to convert from minutes to days

(250,000)/(1440) = 173.611

This means 250,000 minutes is approximately 173.611 days.

We round this down to the nearest whole number because 174 full days means that some portion of minutes has not elapsed just yet. In other words, we're still on day 173. Yes we're past the halfway point, but we're still on this day.

From here, bring out a Day-Of-Year Calendar which will help you locate any day of the year if you know its numeric value, and vice versa. For instance, if you selected any value between 1 and 31, then you'll be on January of that day number. If you selected 32, then you'll be on February 1st since day 32 is one day after day 31 (the last day in January). The largest value of the calendar is either 366 on leapyears or 365 for non-leapyears.

Keep in mind that 2009 is not a leapyear, so that means we won't be involving Feb 29. On non-leapyears, the 173rd day lands on June 22nd.

You could count out the number of days from Jan 1st until you count out 173 days (you should land on June 22). Though I don't recommend this method because it could be error prone and slow.

------------

Side note: Day-Of-Year Calendars are useful if you want to know the timespan between any two days of the year. For instance, June 22 is the 173 day of the year while Oct 9th is the 282 day of the year (I'm focusing on a non-leapyear). The difference in value is 282-173 = 109, meaning that 109 days elapse from June 22 to Oct 9.

7 0

3 years ago

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What is the quotient of 42/3 divided by 4 1/5

Nutka1998 [239]

Answer:

$\large\boxed{4\dfrac{2}{3}\div4\dfrac{1}{5}=1\dfrac{1}{9}}$

Step-by-step explanation:

First step:

Convert the mixed numbers to the improper fractions:

$4\dfrac{2}{3}=\dfrac{4\cdot3+2}{3}=\dfrac{14}{3}\\\\4\dfrac{1}{5}=\dfrac{4\cdot5+1}{5}=\dfrac{21}{5}$

Divide by a fraction is the same as multiply by the reciprocal of this fraction.

Therefore:

$4\dfrac{2}{3}\div4\dfrac{1}{5}=\dfrac{14}{3}\div\dfrac{21}{5}=\dfrac{14\!\!\!\!\!\diagup^2}{3}\cdot\dfrac{5}{21\!\!\!\!\!\diagup_3}=\dfrac{2\cdot5}{3\cdot3}=\dfrac{10}{9}=1\dfrac{1}{9}$

8 0

3 years ago

PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!​

PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!