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tekilochka [14]
3 years ago
15

I need help solving this question!

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
7 0

Answer:

x=6y=11=z?

Step-by-step explanation:

i dont know im not perfect in math

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Which line is parallel to the line 8x + 2y = 12?<br> 19
Katen [24]

Answer:

4x + y =6

Step-by-step explanation:

Line 8x + 2y = 12 is parallel to the line 4x + y = 6.

7 0
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10) xc = rd , for x<br><br> Help plz
ExtremeBDS [4]

Answer:

x = rd/c

Step-by-step explanation:

xc = rd

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Help me, please with math
ArbitrLikvidat [17]

Answer:

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Step-by-step explanation:

3 0
2 years ago
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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} \\


7 0
3 years ago
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Write 0.57 as a fraction in simplest form.<br> 0.57 <br> Lower number fraction
krek1111 [17]

Answer:

14.25/25

Step-by-step explanation:

5 0
3 years ago
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