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tatyana61 [14]
3 years ago
14

What is the sum of -8+13

Mathematics
1 answer:
Allushta [10]3 years ago
8 0

-8+13

=5

The answer would be positive 5 because 13 is a greater number than -8. Always look at the signs for the numbers, then it will tell you if the number is positive or negative for the answer.

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10 % off the regular price. what is the discount amount any price?
zloy xaker [14]

Answer:

Not really 100% sure how to answer this, but if you would like to find the price of any item 10% off, you would just multiply the price by 0.9

EX: item cost $100

$100 x 0.9 = $90

Meaning the price of the item after the discount is applied would be $90

6 0
3 years ago
A cone has a base area of 420mm and height of 180mm. What is the volume of the cone.
luda_lava [24]

Cone Volume = PI * radius^2 * height / 3, which can br rewritten as

Cone Volume = base area * height / 3

Cone Volume = 420mm * 60

Cone Volume = 25,200 cubic mm

3 0
3 years ago
The measure of an angles suppliment is 53° more than twice that of its compliment. find the angle.
Anettt [7]
(180-x)-2(90-x)= 53
Remember that complimentary angles add to 90 and supplementary angles add to 180.

180-x-180+2x=53
x=53

Final answer: The angle is 53 degrees.
3 0
3 years ago
In XYZ, XY=XZ<br> Find the length of XY of XYZ if XY=2a, YZ=3a+1, andXZ=5a-12
lorasvet [3.4K]

Answer: XY = 8

Step-by-step explanation:

The diagram of the triangle XYZ is shown in the attached photo.

XY=XZ. This means that two sides of the triangle are equal. Two angles are also equal. It means that the triangle XYZ is an isosceles triangle.

Since XY=XZ, then

2a = 5a - 12

Subtracting 2a from both sides of the equation,

2a - 5a = 5a - 12 - 5a

-3a = -12

a = -12/-3

a = 4

Therefore, the length of XY is 2a = 2×4 = 8

5 0
3 years ago
Write 434 hundredths as a decimal
Vedmedyk [2.9K]

Answer:

.434

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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