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dem82 [27]
3 years ago
11

The linear function f(x) = 0.9x + 79 represents the average test score in your represents the average test score in your science

class, where x is the number of the test taken. x g(x) 1 78 2 79 3 80 Part A: Determine the test average for your math class after completing test 2. (2 points) Part B: Determine the test average for your science class after completing test 2. (2 points) Part C: Which class had a higher average after completing test 4? Show work to support your answer. (6 points) 12 « Source гс Format Styles THE B 1 0 5 X, x a.​
Mathematics
1 answer:
finlep [7]3 years ago
6 0

Answer:

1)2/3d0 Find the value of X satisfying the mean-value theorem. x?dx ...

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If 3sinA+4cosA=5 then find the value of cosA
deff fn [24]

Answer:

cos(A) = 4/5

Step-by-step explanation:

3sinA+4cosA=5

Divide by 5 on both sides

(3/5)sinA+(4/5)cosA = 1 .................(1)

from which sin(A) = 3/5, cos(A) = 4/5  by inspection, since

(3/5)^2+(4/5)^2 = 1

For more details,

Let

cos(B) = (3/5), then

sin(B) = (4/5)

Substitute in (1)

cos(B)sin(A) + sin(B)cos(A) = 1          substitute trigonometric sum

sin(A+B) = 1  => A & B are complementary

cos(A) = sin(B) = 4/5

8 0
3 years ago
0.585 what number is in the hundredth place?
Masteriza [31]
8 is in the hundredths place. It goes like this: tenths, hundredths, thousandths, and so forth.
7 0
3 years ago
Determine whether 2,5,9,14 is an arithmetic sequence
Fudgin [204]

Answer:

It is not arithmetic sequence

Step-by-step explanation:

If you take any number in the sequence then subtract it by the previous one, and the result is always the same or constant then it is an arithmetic sequence.

hope it helps

6 0
3 years ago
If the radius is 12 what’s the diameter
noname [10]

Answer:

d=24 so the diameter is 24

Step-by-step explanation:

Let's solve your equation step-by-step.

d=(2)(12)

Step 1: Simplify both sides of the equation.

d=24

Answer:

d=24

7 0
4 years ago
What is the area of rhombus ABCD?
nikitadnepr [17]

Answer:

16

Step-by-step explanation:

In China, it has a formula, writing S = one-half (s·h)

The B coordinate minus the D sitting mark is s, the A coordinate minus the C coordinate is h, that is, S = one half (8 × 4) = 16

3 0
3 years ago
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