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Nikitich [7]
2 years ago
9

Mary split her gross pay from last week equally between her student loans, rent, and savings. She put $450 in her savings accoun

t. Write and solve an equation to determine how much Mary earned last week.
Mathematics
1 answer:
icang [17]2 years ago
7 0

Answer:

1350

Step-by-step explanation:

if she spilt her pay EQUALLY between 3 things, and she added 450 to her savings, everything else would be 450 too. so 450 x 3 = 1350

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Please help thank you.
tangare [24]
M<A = m<C = 53
answer is B. 53
-------------
2x = 8
  x = 4

answer
D. 4

--------------
y = 3x (1)
y + 12 = 6x so y = 6x - 12 (2)
from (1) and (2) you haev
3x = 6x - 12
3x = 12
  x = 4
y = 4x = 4(3) = 12

answer
C. y = 12



8 0
2 years ago
What is the flow rate of the air in the pipeline if the cross sectional area of a pneumatic pipeline is 0.01 m2 and the speed of
e-lub [12.9K]

Answer:

0.2 m³/s

Step-by-step explanation:

Applying,

Q = vA.............. Equation 1

Where Q = Flow rate of  air in the pipeline, v = flow velocity of the air in the pipeline, A = cross sectional area of the pneumatic pipeline.

From the question,

Given: v = 20 m/s, A = 0.01 m²

Substitute these values into equation 1

Q = 20(0.01)

Q = 0.2 m³/s

Hence the flow rate of air in the pipeline is  0.2 m³/s

7 0
3 years ago
In the literal equation below, what do C and F represent?
xxMikexx [17]

Answer:

it is variables

Step-by-step explanation:

7 0
3 years ago
What is the vertex and equation of the axis of symmetry of the graph of y=x^2-6x-7
Mice21 [21]

Answer:

Vertex: (3,16)

Axis of symmetry: x = 3

Step-by-step explanation:

The vertex is the minimum or maximum of the graph.

The x -coordinate of the vertex is the equation of the axis of symmetry of the parabola.

8 0
3 years ago
Evaluate the expression 23.6 - 2 * 3^0 divided by 2
RSB [31]

Answer:

10.8

Step-by-step explanation:

3^0=1

2*1=2

23.6-2=21.6

21.6/2=10.8

3 0
3 years ago
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