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Ostrovityanka [42]
2 years ago
8

Write and equation on the line that passed through (0,-1) and is perpendicular to the line y =1/9x+2

Mathematics
1 answer:
Marat540 [252]2 years ago
5 0

Answer:

y=-9x-1

Step-by-step explanation:

since it is perpendicular, the slope must be the opposite reciprocal (-9x) and now we plug the coordinates in, -1=0+b, b is -1

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the local library raised money by having a used book Rebecca volunteered to help. her task was to stick price labels on each of
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Answer:

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3 years ago
Luisa has 24 students in her class. 3/4 of the students speak spanish as well as english. How many students speak both spanish a
neonofarm [45]
Divide 24 by 4 because the denominator is 4..
24÷4=6
Multiply 6 by 3 because the numerator is 3.
6×3=18
<span>18/24 students speak both Spanish and English</span>
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3 years ago
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Drag the tiles to the correct boxes to complete the pairs. Match each expression with its simplified form. Tiles 3a5 − (-a5) 6a7
fredd [130]
3a^5 - (-a^5) = 3a^5 + a^5 = 4a^5

6a^7 - 2a^7 = 4a^7

-3a^5 - (-2a^5) = -3a^5 + 2a^5 = -a^5

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7 0
3 years ago
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Somebody please help!!!!!!!!
Jlenok [28]

Answer:

I think the answer is b^2=8^2-4^2

Step-by-step explanation:

The equation is A^2+B^2=C^2

C^2-A^2=B^2

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C is the hypotenuse. You know what a is and all you have to do is show the equation

3 0
3 years ago
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Choose the linear inequality that describes the graph. The gray area represents the shaded region.
jek_recluse [69]

Answer:

2x + 3y ≥ 5

Step-by-step explanation:

See the graph attached.

The bold straight line passes through the points (1,1) and (4,-1).

Therefore, the equation of the straight line will be  

\frac{y + 1}{- 1 - 1} = \frac{x - 4}{4 - 1}

⇒ 3(y + 1) = - 2(x - 4)

⇒ 3y + 3 = - 2x + 8

⇒ 2x + 3y = 5 ............. (1)

Now, the shaded region i.e. the solution to the inequality does not include the origin(0,0).

So, putting x = 0 and y = 0 in the equation (1) we get, 0 < 5

Therefore, the inequality equation is 2x + 3y ≥ 5 (Answer)

6 0
3 years ago
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