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AURORKA [14]
3 years ago
14

In the graph above, the coordinates of the vertices of / are T(4, 4), U(2, –2), and V(6, –2). If / is reflected across the y-axi

s to create /, what are the coordinates of U'?
Mathematics
2 answers:
guajiro [1.7K]3 years ago
5 0

Answer: U'(-2,-2)

Step-by-step explanation:

We know that the coordinates of a point A(x,y) after the reflection across y-axis becomes :-

A(x,y)\rightarrowA(-x,y)

i.e. the polarity of x-coordinate changes but the y-coordinate remains exactly same.

Now, point U(2, -2) undergoes reflection across y-axis , then its image will be :-

U(2,-2)\rightarrow\ U'(-2,-2)

Thus , we get the coordinates of U' =(-2,-2)

trasher [3.6K]3 years ago
3 0
The new coordinates of U are (-2,-2)
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Work out the following, giving your answer in the simplest form <br> A) 4/7 divided by 1 3/4
spayn [35]

Answer:

The answer to your question is 16/49

Step-by-step explanation:

Data

4/7 ÷ 1 3/4

Process

1.- Convert the mixed fractions into improper fractions

1 3/4 = (4 + 3) / 4 = 7/4

2.- Divide

       4/7 ÷ 7/4 = 16/49

3.- Simplify

I think it is not possible to simplify.

4.- Also we can solve this problem by converting the division into a multiplication, just invert the second fraction.

      4/7 x 4/7 = 16/49

The result is the same.

8 0
3 years ago
Yi Ting weighs 8.3 kg kilograms her older brother is four times as heavy as Yi Ting how much does her older brother weigh in kil
dexar [7]
8.3*4 = 33.2 kg.
Hopefully that is correct
Since Yi Ting weighs 8.3 and her brother is 4 times heavier you would multiply those two numbers to get the answer.
3 0
3 years ago
A traveling soccer team allows only the top 3% of athletes who try out to be part of the team. If the team tryout scorecard has
skad [1K]

Answer:

169

Step-by-step explanation:

You need to use a Z-table for this.

There are different tables, in this table i searched for the probability of 97% because that equivalent to the top 3%.

for 0.97, Z = 1.88

The formula of Z is:

Z = (x-mean)/(st. dev.)

Solving x:

1.88 = (x-150)/10 \\x = 168.8 = 169

3 0
3 years ago
Read 2 more answers
If f(x)=4x^2 and g(x)=x+1, find (fog)(x)
iren [92.7K]

Answer: The value of (f_\circ g)(x)  is  4(x+1)^2  .

Step-by-step explanation:

Given: f(x) = 4x^2 \text { and } g(x) = x+1

To find: (f_\circ g)(x)

As we know it is composition function which means that  g(x) function is in f(x) function.

So we have

(f_\circ g) (x) =  f[g(x)]

\Rightarrow( f_\circ g)(x)= f(g(x)) = 4(g(x))^2

Now substitute the value of g(x) we get

(f_\circ g)(x)= 4(x+1)^2

Hence, the value of (f_\circ g)(x)  is  4(x+1)^2  .

5 0
3 years ago
Please solve the following problem
kirza4 [7]

Answer:

x = 27

Step-by-step explanation:

Given

\frac{x}{9} = 3

Multiply both sides by 9 to clear the fraction

x = 9 × 3 = 27

5 0
3 years ago
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