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Oksi-84 [34.3K]
3 years ago
6

Question 2 and explanation

Mathematics
1 answer:
Alecsey [184]3 years ago
4 0
Sorry man I don’t know
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Ray Of Light [21]
The answer should be B.
7 0
3 years ago
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Line b passes through points (5, 5) and (10, 8). Line c passes through points (4, 8) and (1, 13). Are line b and line c parallel
lora16 [44]

Answer:

Step-by-step explanation:

In going from (5, 5) to (10, 8), x (the run) increases by 5 and y (the rise) increases by 3.  Thus, the slope of the line connecting the first two points is m = 3/5.

In going from (1, 13) to (4, 8), x (the run) increases by 3 and y (the rise) decreases by 5.  Thus, the slope of the line connecting the first two points is m = -5/3

Because these results are negative reciprocals of one another, the two lines are PERPENDICULAR to one another.

3 0
3 years ago
Both circle Q and circle R have a central angle measuring 140°. The area of circle Q's sector is 25π m2, and the area of circle
taurus [48]

Solution:

we are given that

Both circle Q and circle R have a central angle measuring 140°. The area of circle Q's sector is 25π m^2, and the area of circle R's sector is 49π m^2.

we have been asked to find the ratio of the radius of circle Q to the radius of circle R?

As we know that

Area of the sector is directly proportional to square of radius. So we can write

Area  \  \   \alpha \ \  r^2\\ \\ \Rightarrow A=kr^2\\ \\ \text{where k is some proportionality constant }\\ \\ \Rightarrow \frac{A_1}{A_2}=\frac{r_1^2}{r_2^2}\\ \\  \Rightarrow \frac{r_1^2}{r_2^2}=\frac{A_1}{A_2}\\ \\  \Rightarrow \frac{r_1^2}{r_2^2}=\frac{25 \pi}{49 \pi}\\ \\  \Rightarrow \frac{r_1}{r_2}=\sqrt{\frac{25 \pi}{49 \pi}} \\ \\  \Rightarrow \frac{r_1}{r_2}=\frac{5}{7} \\


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3 years ago
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1.11111 as a fraction
Yuki888 [10]

Answer:

111111/100000.

Step-by-step explanation:

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Can you help me? solve this (2x^4 -6x^3 +4x^2 -3x) ÷ (2x)​
masya89 [10]

Answer:

Step-by-step explanation:f

(

x

)

=

x

4

−

3

,  

g

(

x

)

=

4

x

2

+

2

x

−

4

 

(

f

+

g

)

(

x

)

Distribute the value across the operation.

f

(

x

)

+

g

(

x

)

Evaluate  

f

(

x

)

.

Tap for more steps...

x

4

−

3

Evaluate  

g

(

x

)

.

Tap for more steps...

4

x

2

+

2

x

−

4

Compose the result function for  

f

(

x

)

+

g

(

x

)

by replacing the function designators with the actual functions.

x

4

−

3

+

(

4

x

2

+

2

x

−

4

)

Simplify.

Tap for more steps...

4

x

2

+

9

x

4

−

7

5 0
3 years ago
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