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Dahasolnce [82]
4 years ago
7

Please help for 10 points and help with both questions please.

Mathematics
2 answers:
iragen [17]4 years ago
6 0
21) 18×.36=6.48
6.48+18.00= 24.48 (B)

22) 80×.10= 8.00
80-8.00=72.00
72×0.07=5.04
72.00+5.04= 77.04 (B)
DedPeter [7]4 years ago
3 0
Question 21 
Selling price = 18 + 18 x 36/100

Question 22

Discount price = 80 - 80x10/100

Selling price = discount price + discount price x 7/100
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Does the mean of the sample proportions equal the proportion of girls in two​ births? A. ​Yes, both the mean of the sample propo
Lostsunrise [7]

Answer:

the answer is a

Step-by-step explanation:

6 0
3 years ago
List three different examples of integers.
liubo4ka [24]

Answer:

−15, 0, 27, 1102

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Aditi can walk 1.7 miles in half an hour. At the same constant speed, how many hours would it take her to walk 17 miles?
blondinia [14]

Answer:

It takes aditi 5 hours to walk 17 miles.

Step-by-step explanation:

First, find her speed in miles per hour.

1.7 miles in half an hour.

1.7 * 2 = 3.4

3.4 miles per hour.

To find the time, use the distance formula.

Distance = rate * time

17 = 3.4 * time

17/3.4 = time

5 = time

8 0
3 years ago
How many solutions does the equation have?<br> -2(v - 2) = -3 - 2v
Mashcka [7]

Answer:

no solution

Step-by-step explanation:

- 2(v - 2) = - 3 - 2v ← distribute left side

- 2v + 4 = - 3 - 2v ( subtract 4 from both sides )

- 2v = - 7 - 2v ( add 2v to both sides )

0 = - 7 ← not possible

Hope this helps

5 0
1 year ago
Read 2 more answers
Determine the equation of a cubic function with zeros at -2, -4, and 3 that passes through the point (4, 144)​
levacccp [35]

\boxed{f(x)=3(x+2)(x+4)(x-3)}

<h2>Explanation:</h2>

Since the cubic function has zeroes at:

x=-2 \\ \\ x=-4 \\ \\ x=3

Then, we can write this function as:

f(x)=a(x-(-2))(x-(-4))(x-3) \\ \\ f(x)=a(x+2)(x+4)(x-3)

So our goal is to find the leading coefficient a. Since that cubic function passes through the point (4, 144), then it is true that:

f(4)=144 \\ \\ \\ So,\ plug \ these \values \ in \ the \ function: \\ \\  f(x)=a(x+2)(x+4)(x-3) \\ \\ 144=a(4+2)(4+4)(4-3) \\ \\ 144=a(6)(8)(1) \\ \\ 144=a(48) \\ \\ a=\frac{144}{48}=3

Finally, the cubic function is:

f(x)=3(x+2)(x+4)(x-3)

The graph is shown below. As you can see the zeroes are:

(-2,0) \\ \\ (-4,0) \\ \\ (3,0)

And the function passes through (4,144)

<h2>Learn more:</h2>

Polynomial equations: brainly.com/question/1831722

#LearnWithBrainly

8 0
3 years ago
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