3 years ago

4- 5i= 8- 9i 32i- 24= 7i+ 26

Mathematics

1 answer:

o-na [289]3 years ago

3 0

Answer:

Sovle for I and go step by step and how your teacher has showed you i dont know how your teacher has showed you

Step-by-step explanation:

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Ad libitum [116K]

D.
(0) - 7 < 2(0) - 6
0 - 7 < 0 - 6
-7 < -6
-6 is higher than -7 which makes the inequality true.

5 0

4 years ago

Use rounding to estimate the product. 8.24 × 5.88 40 45 48 85

marin [14]

The answer would be 48. I hope that helped

8 0

3 years ago

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The ratio of the number of boys to the number of girls in a theater is 7:9. There are 12 more girls than boys. How many children

skelet666 [1.2K]

Ok, there is an equation you can use to solve it.

n is a number.

p is also a number, but different to n.

$\frac { 7 }{ 9 } \cdot \frac { n }{ n } =\frac { p }{ p+12 } \\ \\ \frac { 7 }{ 9 } \cdot 1=\frac { p }{ p+12 } \\ \\ \frac { 7 }{ 9 } =\frac { p }{ p+12 }$

$\\ \\ 7\left( p+12 \right) =9p\\ \\ 7p+84=9p\\ \\ 9p-7p=84\\ \\ 2p=84\\ \\ p=\frac { 84 }{ 2 } \\ \\ p=42$

Therefore:

 $\frac { 7 }{ 9 } \cdot \frac { n }{ n } =\frac { 42 }{ 42+12 } =\frac { 42 }{ 54 } =\frac { 7 }{ 9 } \cdot \frac { 6 }{ 6 } \\ \\ \therefore \quad n=6$

So all together there were 54 girls and 42 boys in the theatre.

54 + 42 = 96

That's 96 children in total. (Answer)

7:9 = 42:54

5 0

3 years ago

I will mark brainliest xx.

Ivanshal [37]

Answer:

Step-by-step explanation:

3x - 14 + 6 - 4 - 2x = 12 => 3x -12 - 2x = 12 => x = 24

8 0

3 years ago

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Help pls i beg youuu

andrew11 [14]

Answer:

height = 10 m

Step-by-step explanation:

base area of rectangular pyramid =180 m^2

volume of rectangular pyramid = lwh/3

600 = 180*h/3

600*3 = 180*h

1800/180 =h

10 = h

7 0

3 years ago

Read 2 more answers