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irina1246 [14]
3 years ago
14

What is the answer to this queation for my maths homework 3a+7=13

Mathematics
1 answer:
borishaifa [10]3 years ago
5 0
3a+7=13
3a+7-7=13-7
3a=6
\frac{3a}{3}=\frac{6}{3}
a=2
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The figure is cut into 15 equal pieces. 2. Shade of the figure. 5​
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Each equal part is called one-fourth or a quarter of the whole sheet. Thus, any whole can be divided into four equal parts and each part is one-fourth or a quarter of the whole. It is expressed as 1/4 and read as one over four or one upon four.

Step-by-step explanation:

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4 years ago
What is the slope of the line that passes through the points (3,3) and (-3,-1).
Oksana_A [137]

The slope of the line is 2/3

Step-by-step explanation:

The slope of a line is the rate of change of the dependent variable (y) with respect to the rate of change of the independent variable (x). Mathematically,

m=\frac{\Delta y}{\Delta x}

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\Delta y is the increment of the y-variable

\Delta x is the increment of the x-variable

Given two points of coordinates (x_1,y_1) and (x_2,y_2) belonging to the line, the slope of the line can be calculated as

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4 years ago
5.
Oliga [24]

Answer:

B. f(2) = 63

Step-by-step explanation:

f (x) = -3x2 + 180x - 285

For this case, the first thing to do is replace the value of x = 2 in the given function to know the result.

We have to replace:

f (2) = -3 * (2) ^ 2 + 180 * (2) - 285

f (2) = 63

Answer:  

the value of pa for x = 2 is:

f (2) = 63

3 0
3 years ago
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