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2 years ago

Geometry Help needed 25 points

Mathematics

1 answer:

Arada [10]2 years ago

4 0

W is in the lower left corner located at (-1,-2)

W' is in the upper left corner located at (-2,1)

Notice that the original Y value (-2) became the new X value (-2) and the original X value (-1) is the inverse of the new Y value (1).

If you look at the coordinates of the other two pints you would see it was the same transformation.

When the X and Y coordinates switch like this, it is a 90 degree clockwise rotation around the origin.

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Iris has 120 songs on her play list. Each week she downloads 4 song. Write an expression to show the total number of songs on Ir

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Answer:

120 divided by 4 is w

Step-by-step explanation:

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2 years ago

Which statement is correct? (If you can answer 1 and 3 it would help a lot too)

Lera25 [3.4K]

Answer:

the answer is 3 because 1x3=3

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2 years ago

Let X denote the total snowfall in the Twin Cities in December of a given year, measured in centimeters. The five-number summary

Gre4nikov [31]

Answer:

Concept: Caclulating Standard Variables

We have a five number summary which is more than enough information to calculate our mean.
The mean is the sum of all the numbers divided by the nth number of numbers.
Note that we can only find a rough estimation not the EXACT value
We do (min +max + 2(Q1+median+Q3))/8
Now let's plug in our values!
(0+85.3+2(8.4+17.4+30.9))/8
Which gives us option B
Hope this helps, give brainlist

3 0

2 years ago

Heidi has an average score of 78 for her first six chemistry tests. If Heidi"s scores for the first four tests were 82,78,87, an

elixir [45]

Answer:

(A)74

Explanation:

Let her average score on the last two tests = x.

The six scores will now be: 82,78,87,73, x and x.

Since the average score for her first six chemistry tests = 78

$\frac{82+78+87+73+x+x}{6}=78$

We then solve for x.

$\begin{gathered} 320+2x=78\times6 \\ 320+2x=468 \\ 2x=468-320 \\ 2x=148 \\ x=\frac{148}{2} \\ x=74 \end{gathered}$

Her average score for the last two tests is 74.

3 0

6 months ago

Luke earned a grade of 88% on his multiple choice history final that had a total of

weqwewe [10]

Answer:

176

Step-by-step explanation:

88% = 88/100

88 × 2 = 176

176/200

4 0

2 years ago

Read 2 more answers