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Bumek [7]
3 years ago
5

Use place-value blocks to add 0.38 +0.46

Mathematics
2 answers:
Reika [66]3 years ago
4 0

Answer:

0.84 is the correct answer.

Step-by-step explanation:

Add 0 and 0 which is 0. Add 8 and 6 which is 14. And 3 + 1 + 4 which is 8. Put that all together and the answer is 0.84. Hope it helps!!!!

Firlakuza [10]3 years ago
3 0

Answer with step-by-step explanation:

0.38 + 0.46 = 0.84

Three tenths and eight hundredths + four tenths and six hundredths = eight tenths and four hundredths

Hope this was helpful!

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Step-by-step explanation:

65 - 2 × 7 + 9 ÷ 3

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Consider the graph of the line y = x – 4 and the point (−4, 2).
Hitman42 [59]

Answer:

a. The slope  of a line parallel to the given line is 1

b. A point on the line parallel to the given line, passing through (−4, 2), is  (1,7)

c. The slope of the line perpendicular to the given line is -1

d. A point on the line perpendicular to the given line, passing through (−4, 2), is (3,-5)

Step-by-step explanation:

The equation of the line in Slope-intercept form  is:

y=mx+b

Where m is the slope and b is the y-intercept.

a. For the line y = x - 4

You can identify that:

m=1

 By definition, two lines are parallel if they have the same slope. Then, the  slope of a line parallel to the given line is:

m=1

b. The equation of the line in Point-slope form is:

y -y_1 = m(x - x_1)

Where m is the slope and (x_1,y_1)  is a point of the line.

Given the point (-4,2), substitute this point and the slope of the line into the equation:

 y -2 = (x +4)

Give a value to "x", substitute it into this equation and solve for "y":

For x=1 :

y -2 = (1 +4)

y= 5+2

y= 7

Then, you get the point (1,7)

c. The slopes of perpendicular lines are negative reciprocals, then the  slope of a line perpendicular to the given line is:

m=-\frac{1}{1}\\\\m=-1

d. Given the point (-4,2), substitute this point and the slope of the line into the equation:

 y -2 = -1(x +4)

 y -2 = -(x +4)

Give a value to "x", substitute it into this equation and solve for "y":

For x=3 :

y -2 = -(3 +4)

y= -7+2

y= -5

Then, you get the point (3,-5)

8 0
3 years ago
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Step-by-step explanation:

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