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4 years ago

Whats 5 plus 4 ..........

Mathematics

2 answers:

MrMuchimi4 years ago

7 0

5 plus 4 is equivalent to 9. This can be represented abstractly

||||| + |||| = |||||||||

dexar [7]4 years ago

5 0

5 + 4 = 9

Imagine you have 5 apples and then you add 4 more on,

5 + 1 + 1 + 1 + 1 = 9

Hope this helps.

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Brandon works at a small petting zoo with 8 animals. He was looking at some data showing the masses of the animals. Each animal

insens350 [35]

Answer:

OPtion B. Both the mean and median will increase, but the mean will increase by more than the median.

Explanation:

You should not need to do calculations to determine how buying the horse affects the mean and median.

Without the horse, there are 8 animals. When the data are ordered, the median is the average of the 4th and the 5th weights: (7 + 27)/2.

With the horse, there are 9 animals. The median will be the 5th weight: 27

Then, the median increases from (7 +27)/2 to 27.

What about the mean?

The horse's weight is well beyond the weight of the other 8 animals. The range increases from 160 - 2 = 158 to 900 - 2 = 898.

Then, when you calculate the mean inlcuding the weigth of the horse, there will be a high increase.

Thus, without further calculations, you can conclude that "B. Both the mean and median will increase, but the mean will increase by more than the median"

7 0

3 years ago

Read 2 more answers

What is important when learning about trig?

frutty [35]

Answer:

-You should already be familiar with algebra and geometry before learning trigonometry. From algebra, you should be comfortable with manipulating algebraic expressions and solving equations. From geometry, you should know about similar triangles, the Pythagorean theorem, and a few other things, but not a great deal.

-Measure the lengths of the sides of sets of similar right angled triangles and find the ratio of sides.

-Investigate the relationship between these ratios and the angle size.

-Use calculators or tables to find the sine, cosine and tangent of angles.

Step-by-step explanation:

basic knowledge i guess

3 0

3 years ago

Read 2 more answers

Find the solution in the set W. 3 + x = x + 3

Keith_Richards [23]

Your answer will be 0.
Because if 3+x is the same as x+3. That is literally the same as 3+0=3. You can plug the 0 into the variable

4 0

3 years ago

Write the equation of the line that passes through (-1,8) and is parallel to the graph of y = 4x - 2

NikAS [45]

Answer:

When a line is parallel to another line, they have the same slope. So far the equation would be, y=4x+b. To find the value of b, substitute the given point into the equation.

8=4(-1)+b

8=-4+b

b=12

So, the equation of the line is y=4x+12.

8 0

2 years ago

(8,1) and (x,3) The pair of points is on the graph of an inverse variation. Find the missing value.

Gelneren [198K]

$\bf \qquad \qquad \textit{inverse proportional variation}
\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------$

$\bf (\stackrel{x}{8},\stackrel{y}{1})\textit{ we know that }
\begin{cases}
x=8\\
y=1
\end{cases}\implies 1=\cfrac{k}{8}\implies 8=k
\\\\\\
therefore\qquad \boxed{y=\cfrac{8}{x}}
\\\\\\
(x,\stackrel{y}{3})\textit{ when y = 3, what is \underline{x}?}\qquad 3=\cfrac{8}{x}\implies x=\cfrac{8}{3}$

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4 years ago