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Sauron [17]
3 years ago
9

To determine student's final grade for a math class, Mr. Abbot throws out the lowest test score and takes the average of the rem

aining scores. Phil earned the following test scores in the class: 80, 76, 84, 91, and 95. What was Phil's final grade?
Mathematics
1 answer:
Scorpion4ik [409]3 years ago
8 0

First, eliminate the lowest grade (76).  Now, find the average/mean of the remaining 4 test grades.  To do so, add up all the test grades, then divide them by the total number of test grades:

80+84+91+95=350

350/4=87.5

Hope this helps!!

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Answer:

A.-2/3

Step-by-step explanation:

formula of gradient

dy/dx=y2-y2/x2-x1

1-3/-2-(-5)

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Just do 18 divided by 6, and make your answer a negative. The answer is -3
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Anastasia’s mom baked a giant sugar cookie for her birthday. On her birthday, ⅝ of the birthday cookie was eaten. The next day h
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Answer:

9/32 of the cookie was left for Stephanie to eat after lunch

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The next day her brother ate ¼ of what remained.

Amount of cake eaten by her brother = \frac{1}{4}(\frac{3}{8})=\frac{3}{32}

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A sequence of two transformations that can be used to show that polygon ABCDE is congruent to polygon GFJIH
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Two transformations that can be used to show that polygon ABCDE is congruent to polygon GFJIH : <u>rotation -90° and translation (0,2)</u>

<h3>Further explanation</h3>

There are several forms of transformation, including translation, dilation, rotation or reflection

There are 2 shapes of geometry:

Similar figures:

the same shape but different in size,

Congruent figures:

the same size and the same shape

Both polygons will appear congruent if, after being transformed, the two polygons will map exactly to each other

A sequence of two transformations e can do is :

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\left[\begin{array}{ccc}x'\\y'\end{array}\right]=\left[\begin{array}{ccc}0&1\\-1&0\end{array}\right]\left[\begin{array}{ccc}4-6\\1+1\end{array}\right]+\left[\begin{array}{ccc}6\\-1\end{array}\right]\\\\=\left[\begin{array}{ccc}0&1\\-1&0\end{array}\right]\left[\begin{array}{ccc}-2\\2\end{array}\right]+\left[\begin{array}{ccc}6\\-1\end{array}\right]\\\\=\left[\begin{array}{ccc}8\\1\end{array}\right]

2. translation (0,2)

\left[\begin{array}{ccc}8\\1\end{array}\right]+\left[\begin{array}{ccc}0\\2\end{array}\right]=\left[\begin{array}{ccc}8\\3\end{array}\right]

<h3 /><h3>Learn more</h3>

brainly.com/question/13715226

Keywords: transformation, translation, rotation

#LearnWithBrainly

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