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Blizzard [7]
3 years ago
14

Is −10 − 5 equal to −10 + (−5)? Explain in terms of additive inverses.

Mathematics
1 answer:
Gelneren [198K]3 years ago
5 0
Yes!
Because -10 - 5 is -15 and -10 + (-5) is also -15 so they’re equal!
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A baker used 2/3 cup of milk and 4/5 cups of water for each recipe. How many liquid in all did the baker use?
egoroff_w [7]

Answer:

1.46666666667

Step-by-step explanation:

calculator

7 0
3 years ago
The function y = x 2 - 10x + 31 has a ____
katrin [286]

Answer:

Option B. minimum is correct for the first blank

Option C. 6 is correct for second blank.

Step-by-step explanation:

In order to find the maxima or minima of a function, we have to take the first derivative and then put it equal to zero to find the critical values.

Given function is:

f(x) = x^2-10x+31

Taking first derivative

f'(x) = 2x-10

Now the first derivative has to be put equal to zero to find the critical value

2x-10 = 0\\2x = 10\\x = \frac{10}{2} = 5

The function has only one critical value which is 5.

Taking 2nd derivative

f''(x) =2

f''(5) = 2

As the value of 2nd derivative is positive for the critical value 5, this means that the function has a minimum value at x = 5

The value can be found out by putting x=5 in the function

f(5) = (5)^2-10(5)+31\\=25-50+31\\=6

Hence,

<u>The function y = x 2 - 10x + 31 has a minimum  value of 6</u>

Hence,

Option B. minimum is correct for the first blank

Option C. 6 is correct for second blank.

8 0
3 years ago
What is the area of a triangle that has a base of 10 ft and a height of 5 ft? A-15ft B-7.5ft C-25ft D-50ft​
weeeeeb [17]

Answer:

25

Step-by-step explanation:

formula for triangle is (b*h)/2=A

3 0
3 years ago
Find the total surface area. Round to the nearest hundredth if necessary.
trasher [3.6K]

Answer:

166

Step-by-step explanation:

multiply the 6 by 2 and then multiply 13 by 10

to get 166

7 0
3 years ago
Which fraction represents the ratio 9 to 6 in simplest form?
d1i1m1o1n [39]
You have to divide both 9 & 6 by their greatest common factor which is 3 so the answer is 3
               _
               2

7 0
3 years ago
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