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Over [174]
3 years ago
14

Each year Maria’s salary increases by the same amount of money. In her first year, Maria earned $27,000. In her seventh year, Ma

ria earned $34,762. How much money will Maria earn in her twelfth year? Show all work
Mathematics
1 answer:
My name is Ann [436]3 years ago
3 0

Answer:

61,762

Step-by-step explanation:

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PLEASE ANSWER <br><br> ...<br> Subtract-3x – 8 from 4x2<br> 72 – 2.
agasfer [191]
I’m guessing you meant 4x^2 (x to the power of two or x squared) rather than 4x2 (4 multiplied by two, meaning 8).

4x^2 -(-3x-8)
= 4x^2 +3x +8

72-2 = 70
7 0
3 years ago
Which statement explains the type of function that is represented by the equation<br> y=x2 +9?
DENIUS [597]
The answer is 28392729
6 0
2 years ago
Which is the directrix of a parabola with equation x2 = 8y?
olga_2 [115]

Answer:

Y=-2

Step-by-step explanation:

You would use the vertex form to find the directrix

4 0
2 years ago
What is negative 1 and three fifths divided by negative two thirds equals?
Rudik [331]
It's visually better to make it an equation. 
-1 3/5  ÷ -2/3

The answer is 39/10.  

6 0
2 years ago
Read 2 more answers
Let L be the line parametrized by x = 2 + 2t, y = 3t, z = −1 − t. (a) Find a linear equation for the plane that is perpendicular
Elden [556K]

Answer:

Step-by-step explanation:

Given that L is a line parametrized by

x = 2 + 2t, y = 3t, z = −1 − t

The plane perpendicular to the line will have normal as this line and hence direction ratios of normal would be coefficient of t in x,y,z

i.e. (2,3,-1)

So equation of the plane would be of the form

2x+3y-z =K

Use the fact that the plane passes through (2,0,-1) and hence this point will satisfy this equation.

2(2)+3(0)-(-1) =K\\K =5

So equation is

2x+3y-z =5

b) Substitute general point of L in the plane to find the intersecting point

2(2+2t)+3t-(-1-t) =5\\4+8t+1=5\\8t=0\\t=0\\(x,y,z) = (2,0,-1)

i.e. same point given.

3 0
3 years ago
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