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Dima020 [189]
3 years ago
8

If A(2,4) is reflected over the x-axis, what are it’s new coordinates ?

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0
(2,-4) is new reflected coordinates

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Directed line segment DE has endpoints D(-4,-2) and E(1,8). Point F divides DE such that DF:FE is 3:2What are the coordinates of
VMariaS [17]

The Solution.

The given points are

D(-4,-2)\text{ and E(1,8)}

The formula is

\frac{mx_2+nx_1}{m+n}_{},\frac{my_2+ny_1}{m+n}

In this case,

m=3,n=2

Therefore,

\begin{gathered} (\frac{mx_2+nx_1}{m+n}_{},\frac{my_2+ny_1}{m+n}) \\ =(\frac{3(1)+_{}2(-4)_{}}{3+2}_{},\frac{3(8)_{}+2(-2)_{}}{3+2}) \\  \end{gathered}=(\frac{3-8}{5},\frac{24-4}{5})=(-\frac{5}{5},\frac{20}{5})=(-1,4)

Hence, the correct answer is (-1, 4) (option 3)

3 0
1 year ago
Franklin weighs 46,266,400 milligrams and his baby brother weighs 4,535.9 grams. What la there total weight in kilograms?
amm1812

Answer:

Exact: 50.8064

Rounded to nearest whole #: 51

Step-by-step explanation:

Our units are: Milligrams, Grams, and Kilograms. For Reference;

Miligrams are 1 million (1,000,000) times smaller than kilos.

Grams are 1 thousand (1,000) times smaller than kilos.

If we divide Franklins weight, 46,266,400 mg, by 1,000,000, our answer is  46.2664 kg, 46 if we round it.

Now, for his baby brother, his weight is 4,535.9 g. Divide this by 1000, and you should get 4.5359 kg, 4.5 if we round it to the nearest tenth.

Now simply add our two answers and you have both of their weight combined.

This is pretty simple, you simply can move the decimal point a certain amount of times dependent on how bigger or smaller your unit is. If we were converting kilograms to grams, we would multiply a value by 1,000, and the inverse for grams to kilograms, which moves the decimal point 3 times.

Any questions? Just ask me. Thanks.

5 0
2 years ago
What values belong in the table shown below
sergiy2304 [10]

Answer:

x=12 and y= 32

Hope it helps

7 0
3 years ago
Caroline runs 3 1/2miles in 22 1/4 mins. how many miles does she run per mile
Anika [276]
We have changed 3 1/2= 7/2 and 22 1/4= 89/4
and the speed of Caroline is = distance: time= 89/4:7/2= 89/4 x 2/7= 89/14= 6.36 miles per minute
notice you wrongly wrote per mile
8 0
3 years ago
PLEASE HELP<br> ‼️50 POINTS‼️
nirvana33 [79]

Answer: it is  4i78f4950

Step-by-step explanation:

6 0
3 years ago
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