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butalik [34]
3 years ago
13

Help me with problems 39 a-d

Mathematics
2 answers:
BabaBlast [244]3 years ago
8 0
A) -4
d) -3.1
for these questions you have to subtract the two numbers since they have different signs and the biggest sign is the ending sign
Kaylis [27]3 years ago
3 0
Well when you add negative number to a positive number its like subtracting, forget the negative sign is even there and subtract like lets say 1 number was -6.89 and the other one was 3.89 you subtract and if the negative number is more then the positive number you put the negative sign in front so the answer is -3.00 just keep doing that and you should be fine hope I helped :)
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finlep [7]

Answer:

it will be 0.44%

Step-by-step explanation:

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3 years ago
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What is the area of this shape?
Dovator [93]

Answer:

The area of this shape equals 30cm^{2}

Step-by-step explanation:

From the diagram, we can see that this shape is a parallelogram  (since opposite sides are equal to each other). The formula for the area of the parallerlogram is as follows:

Area = bh (where "b" is the base, and "h" is the height).

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Area = bh = (10)(3) = 30cm^{2}

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gladu [14]

Answer:

J: x - 2y = -8

Step-by-step explanation:

All you have to do is plug in x or y as 0 for the y-intercept and the x-intercept, respectively. But, for these specific equations, looking at the constant when y isn't multiplied by any number but 1 will show the y-intercept. (e.g. 2x + y = -12, -12 is the y-intercept, 2x - y = -20 -> -2x + y = 20, 20 is the y-intercept)

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8 0
3 years ago
a store sells small notebooks for $7 and large notebooks for $14. if a student buys 6 note books for $63, how many notebooks eac
bija089 [108]
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4 0
3 years ago
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Suppose that P is the point on the unit circle obtained by rotating the initial ray counterclockwise through 330 degrees. Find t
Flauer [41]

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Reference angle will be 30°

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Step-by-step explanation:

We have given angle is 330°

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We know that in forth quadrant the reference angle is given by

Reference angle =360-angle

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Now we have to find the value of

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And now cos(330^{\circ})=cos(2\pi -30)=cos30=0.866

4 0
3 years ago
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