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fomenos
3 years ago
14

How many variables are in 4x3 + 2y + 6?

Mathematics
1 answer:
Marta_Voda [28]3 years ago
6 0

Answer:

There are two different variables. X and Y.

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The perimeter of the picture frame is 38 inches. The width of the frame is 7 inches, what is the length?
o-na [289]

Answer:

12 inches

Step-by-step explanation:

So you know that the perimeter of a picture frame (a rectangle) is 2 widths plus 2 lengths.

Let x= lengths and w= widths

From the question we already know that w=7, so we can set up an equation that says:

2x + 2w = 38

2x + 2(7) = 38

2x+14 = 38

2x +14 -14 = 38-14

2x = 24

2x/2 = 24/2

x= 12

Since x= lengths =12

the length of the frame is 12 inches.

7 0
4 years ago
find the vertex, the equation and axis of symmetry, and the y-intercept of the graph of y=-3x^2-13x+3
stepladder [879]

Answer:

Vertex: (13/6,-133/12)

Axis of symmetry: x=13/6

y-intercept: y=3

Step-by-step explanation:

6 0
3 years ago
4. Neelam's annual income is Rs. 288000. Her annual savings amount
Vikki [24]

Answer:

The ratio of her savings to expenditure <u>1 : 7</u>.

Step-by-step explanation:

Given:

Neelam's annual income is Rs. 288000.

Her annual savings amount  to Rs. 36000.

Now, to get the ratio of her savings to her expenditure:

So, we get the expenditure first:

Expenditure = Income - Savings.

Expenditure = 288000 - 36000 = Rs. 252000.

Now, <em>the ratio of savings to expenditure:</em>

\frac{Savings}{Expenditure} =\frac{36000}{252000}

\frac{Savings}{Expenditure} =\frac{1}{7}

Thus, Savings:Expenditure = 1:7.

Therefore, the ratio of her savings to expenditure 1 : 7.  

3 0
4 years ago
Plz help will mark brainliest if correctly answered ​
elena-14-01-66 [18.8K]
C I am sorry if I am wrong
5 0
3 years ago
Read 2 more answers
Needing help with #71 have to show work
Kipish [7]

Answer:

f

Step-by-step explanation:

5 0
3 years ago
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