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makvit [3.9K]
3 years ago
6

PLEASE HELP!!! 14 POINTS!

Mathematics
1 answer:
Pepsi [2]3 years ago
8 0
Area=1/2bh


add them
(1/2)ab+(1/2)c^2+(1/2)ab=
ab+(1/2)c^2
ab+(1/2)(a^2+b^2)
not sure which option to pick there are different preferences on what counts as 'simplified'




4. find area
area=LW
area=105*45=4725
depends on the area of the signs
answer is
4725/(areaof1sign)
anyway, round down your answer because you will have an incomplete sign if you don't




5. area=pir^2
1/2 of it is
area=1/2pir^2
area=(1/4)^2pir^2
area=pi((1/4)r)^2
the radius is now 1/4 of what it was originally, meaning that the diameter is also 1/4 of what it is now
we need to know diamater
answer is 1/4 of current diameter




3. unclear

4. area of 1 sign not given, answer is 4725/(areaof1sign), rounded DOWN to nearest integer

5. (404 error, diameter not found) answer is 1/4 of current diameter
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simplified = 8x - 8

Step-by-step explanation:

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3 years ago
Suppose that two​ variables, X and​ Y, are negatively associated. Does this mean that​ above-average values of X will always be
IrinaK [193]

Answer:

If two​ variables, X and​ Y, are negatively associated, in a linear way, then the  above-average values of X will always be associated with​ below-average values of​ Y and vice-versa.

But not all points will fit the trend so the answer is NO, the above average values of X will not always be associated with below average values of Y.

Step-by-step explanation:

If two​ variables, X and​ Y, are negatively associated, in a linear way, then the  above-average values of X will always be associated with​ below-average values of​ Y and vice-versa.

But not all points will fit the trend so the answer is NO, the above average values of X will not always be associated with below average values of Y.

6 0
4 years ago
Wht is the value of x in the proportion 2 1/4 ÷ x = 1 1/4 ÷ 3 3/5
balandron [24]

Answer:

x = \frac{162}{25}

Step-by-step explanation:

You need to solve the equation for x.

First change all the mixed numbers to improper fractions. Remember that a improper fraction the numerator (top number) is larger than the denominator (bottom number).  

2\frac{1}{4} / x = 1\frac{1}{4} / 3\frac{3}{5}\\\

All you need to do is multiply the numerator with the whole number, then add to the numerator:

\frac{9}{4} / x = \frac{5}{4} / \frac{18}{5}

Now simplify, to get rid of the numbers that are dividing:

(\frac{9}{4} ) (x)/(( x) (\frac{5}{18})) = (\frac{5}{4})(x) / ((\frac{18}{5})( \frac{5}{18} )

Cancel same numbers that are multiplying and dividing:

\frac{9}{4} / \frac{5}{18}  = \frac{5}{4} (x)

Clear X:

x = (\frac{9}{4}) (\frac{4}{5} )/ \frac{5}{18}

Simplify

x = ( \frac{9}{5} ) ( \frac{18}{5} )

you will get the following improper fraction: \frac{162}{25\\}

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8 0
4 years ago
Please answer this correctly
MAVERICK [17]

Answer:

1:50 PM

Step-by-step explanation:

Left school at 10:38 AM,

took them 51 minutes,

38+51=89,

89-60=29,

so when they drove to the museum, it was 11:29 AM.

From here, they stayed at the museum for 1 hour and 26 minutes,

so they stayed at the museum until 12:55 AM since 29+26=55.

Now, it took them 55 minutes to drive back to the school,

so 12:55 plus another 55 minutes,

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7 0
3 years ago
Please Help Me!!! :)
gulaghasi [49]

Answer:

C) 2

Step-by-step explanation:

Sum means to add up.

It means addition.

The opposite of a number is the inverse of the operational sign it has

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The opposite of 12 is -12

The additive inverse of 12 is -12.

Therefore, the sum of 14 and the opposite of 12 is expressed thus:

14 + (-12)

= 14 - 12

= 2

4 0
3 years ago
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