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lakkis [162]
4 years ago
6

Please help me!!! Will mark Brainliest!!!

Mathematics
1 answer:
Kruka [31]4 years ago
6 0

Answer:

Mean = 28$ MAD = 3.6$

Step-by-step explanation:

Mean-

Every day added= 140/5 = 28

MAD-

It is hard to explain

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Of the following , which is closet to 4% of 73
Komok [63]
You don't have any choices listed.
Anyway 4 % of 73 = 2.92



7 0
3 years ago
What is the distance between the point (4, 7) and its reflection over the x-axis, as shown on the graph below?
Marysya12 [62]

Answer:

14

Step-by-step explanation:

the x formate times xn

6 0
3 years ago
Questions on file. Pls halp
motikmotik

\large{ \tt{❋ \: EXPLANATION}} :

  • The formula to find out the volume of a rectangular prism is V = l × b × h where V is the volume , l = length , b = breadth & h = height.

  • We're provided the figure of trapezium in the second attachment. The formula to fInd out the area of trapezium is A = \tt{ \frac{1}{2} h(a + b)} where a and b are the opposite parallel sides and h be the height of a trapezium.

\large{ \tt{❃ \: SOLUTION}} :

  • In the first picture , we're provided - Length ( l ) = \frac{7}{4} cm , breadth ( b ) = \frac{3}{2} cm and height ( h ) = \frac{1}{2} cm. Now, plug these known values and them find out the volume of given rectangular prism.

\large{ \tt{❁ \: VOLUME \: OF \: RECTANGULAR \: PRISM \: ( \: V \: ) = l \times b  \times h}}

\large{ {⟶ \:  \frac{7}{4}  \times  \frac{3}{2}  \times  \frac{1}{2} }}

  • To multiply one fraction by another , multiply the numerators for the numerator and multiply the denominator for its denominator and reduce the fraction obtained after multiplication into lowest term if possible.

\large{  ⟶ \frac{7 \times 3 \times 1}{4 \times 2 \times 2} }

\large{⟶ \frac{21}{16}  \tt{ {cm}^{3} }}

  • Hence , the volume is \boxed{ \frac{21}{16}   } cubic centimetres.

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

  • In the second attachment , we're provided - 6ft and 7 ft are the opposite parallel sides and 3 ft is the height of the given trapezium.

\large{ \tt{✺ \: AREA \: OF \: A \: TRAPEZIUM =  \frac{1}{2} h(a + b)}}

\large{ ⟶ \frac{1}{2}  \times 3(6 + 7)}

\large{⟶ \:  \frac{1}{2} \times 3 \times 13 }

\large{⟶ \frac{39}{2}  \tt{cm}^{2} }

  • Hence , The area of trapezium is \boxed{ \frac{39}{2}  \tt{cm}^{2} }

And we're done ! ♪

\large{  \# \: \mathfrak{StayInAndExplore \:☂ }}

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

6 0
3 years ago
Read 2 more answers
How to show these 2 problems are inverses
nataly862011 [7]
\bf \begin{cases}
f(x)=\sqrt[3]{7x-2}\\\\
g(x)=\cfrac{x^3+2}{7}
\end{cases}\\\\
-----------------------------\\\\
now
\\\\
f[\ g(x)\ ]\implies f\left[ \frac{x^3+2}{7} \right]\implies \sqrt[3]{7\left[ \frac{x^3+2}{7} \right]-2}\implies \sqrt[3]{x^3+2-2}
\\\\\\
\sqrt[3]{x^3}\implies x\\\\
-----------------------------\\\\
or
\\\\
g[\ f(x)\ ]\implies g\left[\sqrt[3]{7x-2}\right]\implies \cfrac{\left[\sqrt[3]{7x-2}\right]^3+2}{7}
\\\\\\
\cfrac{7x-2+2}{7}\implies \cfrac{7x}{7}\implies x

thus f[ g(x) ] = x indeed, or g[ f(x) ] =x, thus they're indeed inverse of each other
8 0
3 years ago
Samuel can do 120 jumping jacks in two minutes.
ki77a [65]

Answers:

What is the ratio?         120:2

What is the unit rate?   60:1

What is the rate?          60 jumping jacks per minute

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

Further Explanation:

To find the ratio of jumping jacks to minutes, you just write the two values 120 and 2 separated by a colon. That's how we get 120:2 as our first answer.

--------

Once we have 120:2, we divide both parts by 2 to get 60:1

120/2 = 60

2/2 = 1

The reason why we do this is so that the "2 minutes" turns into "1 minute". A unit ratio has the time value in unit increments so we can see how many jumping jacks Samuel can do. Writing "60:1" means "60 jumping jacks in 1 minute"

-------

Saying "60 jumping jacks in 1 minute" is the same as saying "60 jumping jacks per minute", which is similar to a car's speed of something like 60 miles per hour. The unit "X per Y" is the template for speed, where X is the number of items you get done and Y is the unit of time. In this case, X = 60 jumping jacks and Y = 1 minute.

4 0
4 years ago
Read 2 more answers
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