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Marianna [84]
2 years ago
13

Solve the following problems. Remember, it’s easiest to solve the questions in the parentheses first. a. 4 + (5+12) b. (3 + 6) +

17 c. (3 + 4) + (5 + 6) d. 9 + (11 + 7) + 10
Mathematics
2 answers:
Dmitry [639]2 years ago
4 0

Answer:  The required answers are :

(a) 21,   (b) 26,   (c) 18   and   (d) 37.

Step-by-step explanation:  We are given to solve the following problems with parentheses solved first.

(a). The given problem is

4+(5+12).

We have

4+(5+12)=4+17=21.

(b) The given problem is

(3+6)+17.

We have

(3+6)+17=9+17=26.

(c) The given problem is

4+(5+12).

We have

(3+4)+(5+6)=7+11=18.

(d) The given problem is

9+(11+7)+10.

We have

9+(11+7)+10=9+18+10=9+28=37.  

Thus, the required answers are :

(a) 21,   (b) 26,   (c) 18   and   (d) 37.

galben [10]2 years ago
3 0

a. 21, b. 26, c. 18, d. 28

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If (fx)=5x, what is f^-1(x)
zysi [14]

Answer:

x/5

Step-by-step explanation:

To get the inverse function you need to leave the x alone and then switch variables ( f(x) = y)

f(x) = 5x

y = 5x

y/5 = x

Now that x is alone you switch the x for y and the y for x and you get:

x/5 = y

And this new y is the inverse function of f(x) ( f^-1(x))

f^-1(x) = x/5

6 0
3 years ago
The cost of a pizza with the works" is represented as a function of its
Nina [5.8K]

Answer:

diameter of the pizza = 21.88 centimeters

Step-by-step explanation:

Given:

C = d^2 – 2d + 447

where

C = cost of the pizza

d = diameter of the pizza

If the pizza costs $12.00, then what is a reasonable estimate for the diameter of the pizza?

12 = d^2 – 2d + 447

d^2 - 2d = 447 - 12

d^2 - 2d = 435

d^2 - 2d - 435 = 0

Solve the quadratic equation using formula

a = 1

b = -2

c = -435

d = -b +or- √b^2 - 4ac / 2a

= -(-2) +or- √(-2)^2 - (4)(1)(-435) / 2(1)

= 2 +or- √4 - (-1740) / 2

= 2 +or- √4 + 1740 / 2

= 2 +or- √1744 / 2

= 2 +or- 4√109 / 2

= 2/2 +or- 4√109/2

= 1 +or- 2√109

d = 1 + 2√109 or d = 1 - 2√109

= 1 + 2(10.44) or d = 1 - 2(10.44)

= 1 + 20.88 or d = 1 - 20.88

d = 21.88 or -19.88

diameter of the pizza = 21.88 centimeters

Therefore, the estimated diameter of the pizza can not be negative. So, diameter of the pizza = 21.88 cm

7 0
2 years ago
Someone help me with culinary math?
iragen [17]

Answer:

Step-by-step explanation:

sugar: half - 1/6 cup , double - 2/3 cup

mirin: half - 1/8 cup , double - 1/2 cup

shoyu: half - 6 Tbsp , double 1 1/2 cup

flour: half - 5/8 pound , double 2 1/2 pounds

chicken: half - 1 1/4 pounds , double: 5 pounds

6 0
3 years ago
CAN YOU HELP ME SOLVING A ALGEBRAIC EXPRESSION im lost
nasty-shy [4]
If that's an addition sign, then b=-35.
If it's a division sign, then b=-150

Sorry I can't see which it is! Hope this helped though :)
Good luck!
3 0
3 years ago
A candy manufacturer is interested in the distribution of colors in each of its packages of candy sold. The manufacturer randoml
Otrada [13]

Answer:

Option B

Step-by-step explanation:

Given that a  candy manufacturer is interested in the distribution of colors in each of its packages of candy sold. The manufacturer randomly sample packages from multiple batches at one factory.

Because he resorts to only one factory, there may be bias in the sample.  Other factories may have different processes of the settings and also if a diversified sample is taken then it is likely to represent the whole population, and hence results would be more accurate

Option A is incorrect since only one factory was done

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So answer would be

B) No, because the other factories may have different processes or the settings

7 0
3 years ago
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