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Jobisdone [24]
2 years ago
14

Use the properties of numbers to simplify:2(3/2+0,5)+½​

Mathematics
1 answer:
olga nikolaevna [1]2 years ago
5 0

Answer:

4.5

Step-by-step explanation:

3/2+ 1/2 = 4/2 = 2

2(2)+1/2

4 + 1/2

4 1/2 or 4.5 in decimal form

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This diagram of airport runway intersections shows two parallel runways. A taxi way crosses both runways. How are 6 and 2 relate
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Refer to the diagram below.
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3 years ago
Given G, the centroid of triangle IJK as pictured above. Find the sum of the lengths of the
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30.6

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8 0
3 years ago
Write an equation of the line containing the given point and perpendicular to the given line.
Tresset [83]

Answer:

Step-by-step explanation:

The equation of a straight line can be represented in the slope intercept form as

y = mx + c

Where

m = slope = (change in the value of y on the vertical axis) / (change in the value of x on the horizontal axis)

The equation of the given line is

9x+7y=4

7y = 4 - 9x = -9x + 4

y = -9x/7 + 4/7

Comparing with the slope intercept form, slope = -9/7

If the line passing through the given point is perpendicular to the given line, it means that its slope is the negative reciprocal of the slope of the given line.

Therefore, the slope of the line passing through (7,-4) is 7/9

To determine the intercept, we would substitute m = 7/9, x = 7 and y = - 4 into y = mx + c. It becomes

- 4 = 7/9×7 + c = 49/9 + c

c = - 4 - 49/9

c = - 85/9

The equation becomes

y = 7x/9 - 85/9

6 0
3 years ago
A line passes through the points (4,-4) and (8,12). What is the y-intercept of the line ?
fredd [130]
\frac{y2-y1}{x2-x1}= \frac{y-y1}{x-x1} = \frac{12-(-4)}{8-4}= \frac{y-(-4)}{x-4}
\frac{16}{4}= \frac{y-(-4)}{x-4 }  
= 4(x-4)=(y+4)
4x-16=y+4

4x=y+4+16
4x=y+20
y=4x-20


3 0
3 years ago
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