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Gnoma [55]
3 years ago
6

Please help! The questions and answers are in the picture!

Mathematics
1 answer:
son4ous [18]3 years ago
5 0

Answer: its b

Step-by-step explanation:

went over this last week

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Emily has the following grades in his math class: Homework grades: 80, 100, 90, Quiz grades: 84, 90, 72, Test grades: 64,
Bess [88]

Answer:

75

Step-by-step explanation:

Homework mean x 10%: (80+100+90)/3 x 0.1 = 90 x 0.1 = 9

Quiz mean x 25%: (84+90+72)/3 x 0.25 = 20.5

Test mean x 45%: (64+72)/2 x 0.45 = 30.6

Sum of means/percentage of grade: 9 + 20.5 + 30.6 = 60.1/.8 = 75.125

8 0
2 years ago
A linear function is written:<br> f(x) = 3/2x-4<br> What is the value of f(5)?
valentinak56 [21]

Answer:

f(5)=3.5

Step-by-step explanation:

f(x)=\frac{3}{2}x-4\\f(5)=\frac{3}{2}(5)-4\\f(5)=7.5-4\\f(5)=3.5

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4 0
3 years ago
11. If Sally
Delvig [45]

Answer:

0.2

Step-by-step explanation:

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3 years ago
Which of the following points is a solution of the system shown? x + y ≥ 6 x ≥ 4 a.(-1, 7) b.(4, -2) c.(4, 2)
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A recipe for 3 cups of snack mix calls for 1··2cup of pretzels. You can describe this as 3 cups of snack mix for every 1··2cup o
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