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valentina_108 [34]
4 years ago
14

Find the sum of 5,-7

Mathematics
2 answers:
Kazeer [188]4 years ago
8 0
5+(-7)=(-2)
The answer would be -2
PtichkaEL [24]4 years ago
5 0
Adding a negative to a positive is the same as subtracting.
It would be -2
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David's bowling score is 6 less than 2 times Aaron's score. The sum of their scores is 84. Find the score of each student. Use t
Y_Kistochka [10]

Answer:

Aaron's bowling score is 30

David's bowling score is 54

Step-by-step explanation:

The variable representing Aaron's score is = a

The variable representing David's bowling score = d

The sum of their scores is 84.

= a + d = 84...... Equation 1

David's bowling score is 6 less than 2 times Aaron's score.

d = 2a - 6

Substituting 2a - 6 for d in Equation 1

a + 2a - 6 = 84

3a - 6 = 84

3a = 84 + 6

3a = 90

a = 90/3

a = 30

Hence, Aaron's bowling score is 30

d = 2a - 6

d = 2(30) - 6

d = 60 - 6

d = 54

David's bowling score is 54

8 0
3 years ago
Find the circumference of the given circle. Use 3.14 for pi, and round your answer to the nearest tenth.
N76 [4]

Answer:

59

Step-by-step explanation:

Because multiply 18.8 and 3.14 and get a number with a decimal so round up and get 59 :)

7 0
3 years ago
PLEASE ANSWER!! DUE IN A FEW MINUTES!! DON'T FORGET TO SHOW YOUR WORK AS WELL!!!!!!!!
IrinaK [193]
I’ve attached my work
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5 0
3 years ago
which properties are present in a table that represents an exponential function in the form y=b^x when b>1​
vladimir1956 [14]

Answer:

The function has the property of exponential growth function.

Step-by-step explanation:

The exponential function is given by y = b^{x}, where b > 1.

Now, for x = 0, we get y = 1,

For x = 1, we get y = b

For, x = 2, we get y = b²

And so on.

Now, as b > 1, so, b² > b > 1 and the values of y are increasing as the value of x increases.

Therefore, the function has the property of exponential growth function.

3 0
4 years ago
Sara has a stack of 8 plates, each plate is 0.5 inches tall and she is trying to wrap them as a gift.
AlekseyPX

Answer:

The plates will not fit into the box.

Step-by-step explanation:

Each plate is 0.5 inches tall; therefore, the stack of 8 plates will have a height of 0.5in*8 = 4inches.

Also, the diameter of the largest plate is 10 inches or has a radius of 5 inches, which matches the radius of the cylindrical box; therefore, we know that the stack of plates can fit into the base area of the cylindrical box.

What we want to figure out now is the height of the cylindrical box <em>to see if it is greater than or equal to 4 inches</em>—<em>the height of the stack of plates. </em>

The volume of a cylinder is \pi R^2h, and since for our cylindrical box the volume is 150 cubic inches; therefore,

\pi R^2h = 150in^3

putting in R = 5in and solving for height h we get

h = \dfrac{150in^3}{\pi (5)^2}

h = 1.91\: inches,

which is not greater than 4 inches, which means the plates will not fit into the box since the height of the stack is greater than the height of the box.

5 0
4 years ago
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