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Anvisha [2.4K]
3 years ago
15

Really need help like help on math​

Mathematics
1 answer:
Wittaler [7]3 years ago
7 0

research circumference

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Using the following grading scale and the following scores calculate the student’s final grade in the class: Tests: 55% Quizzes:
Artyom0805 [142]

Answer:

87.471

Step-by-step explanation:

Given that scores for test, quiz, final exam , average quizzes.

There are weight given as 55% for quiz, 30% for homework, 5% Final Exam 10% Tests:

Now to calculate the student final grade, we can use weighted average method.

Final exam average


67

90

44

29

100

100

100


75.71428571

Use the averages to find:

Score Weight Score*weight

Quizzes 90 55% 49.5

Homework 85 30% 25.5

Tests 75.71 10% 7.571

final exam 98 5% 4.9

 

total   87.471

Hence answer is 87.471

7 0
3 years ago
a mural will be painted on a wall that is 63.5 inches high and 7 yards long. The wall also has two windows that are 2.5 square f
nydimaria [60]
So the answer might be 61.0 because if you subtract (-)63.5 with 2.5 it would 61.0 so i dont know ..but good luck  and if i fail you im so sorry 
5 0
4 years ago
Andrea opened a savings account with $1,750 she received for graduation. The account pays 4.3% simple interest. What is the bala
Schach [20]

Answer:

$1787.625

Step-by-step explanation:

We first determine the interest earned in 6 months time using the simple interest formula;

I=\frac{PRT}{100}\\I=\frac{1750*4.3*0.5}{100}\\I=37.625

The balance in the account will be;

1750 + 37.625 = $1787.625

5 0
4 years ago
Help me out pls i dont understand ill give brainiest to whoever answers correct
Sophie [7]
A has right triangles also known for the 90 degree angle triangle.
In both they both have 90 degree and 4 sides

b has parallelograms and obtuse angles


8 0
3 years ago
Find the equation for a parabola with its focus at (0, 3) and a directrix of y = -3.
Elanso [62]

The equation of the parabola is y=\frac{1}{24} x^2+3

None of the given options is correct

Given:

Focus: (0, 3)

Directrix: y = -3

Note that:

f - k = k - (-3)

f - 3 = 3 + 3

f = 6 + 3

f = 9

The equation of the parabola is of the form:

y=\frac{1}{4(f-k)} (x-h)^2+k

Substitute f = 9, k = 3, h = 0 into the equation

y=\frac{1}{24} (x-0)^2+3\\\\y=\frac{1}{24}x^2+3

The equation of the parabola is y=\frac{1}{24} x^2+3

Learn more on equation of a parabola here: brainly.com/question/4061870

#SPJ1

4 0
2 years ago
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