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Schach [20]
3 years ago
12

What is the average speed for 4 hours

Mathematics
2 answers:
kati45 [8]3 years ago
8 0
55 miles or 50 miles
AVprozaik [17]3 years ago
3 0

Answer:

320km/h

Step-by-step explanation:

You simply times 80 km by 4hr to get 320 km/h

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Suppose you want to factor the expression x2+ 2xn+n2. Given that n> 0, what are the factors? Explain.
spin [16.1K]

Answer:

(x + n)^2

Step-by-step explanation:

Okay! Let's get this going!

(x + n ) ^2 is correct because first we get

x^2 and n^2. Yet we need to add one more part to this to make it true which is x * n. We multiply this by two since according to the formula (a + b)^2 = a^2 + 2ab + b^2

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3 0
3 years ago
Read 2 more answers
A bakery has the following pricing for large orders of cupcakes. The first 100 cupcakes of any order
Taya2010 [7]

A piecewise function is a function that behaves differently in different intervals of its domain.

The answers are:

a)

f(x) = x*$2.00    if 0 ≤ x ≤ 100

f(x) = x*$1.75     if  100 < x ≤ 250

f(x) = x*$1.25     if    x > 250.

b)  $306.25

The given information is:

The first 100 cupcakes cost $2.00 each.

If the order is between 100 and 250 cupcakes, the cost is $1.75 each.

If the order is more than 250 cupcakes, the cost is $1.25 each.

a) Now we want to write the piecewise function, this will be:

f(x) = x*$2.00    if 0 ≤ x ≤ 100

f(x) = x*$1.75     if  100 < x ≤ 250

f(x) = x*$1.25     if    x > 250.

Above you can see the piecewise function, when you want to evaluate it, the first thing you need to do is to find at which interval the input belongs.

b) If you order 175 cupcakes you have x = 175.

This belongs to the second interval ( 100 < x ≤ 250) then we will use the second part of the function:

f(175) = 175*$1.75 = $306.25

If you want to learn more, you can read:

brainly.com/question/12561612

8 0
3 years ago
Which statement about isosceles triangles is true?
Paraphin [41]
C- I’m assuming that you meant to say that they have one angle that is equivalent to another
All isosceles triangles have two sides that are of equal length
7 0
3 years ago
Help me asap please! please answer all 4 questionsss!! thank you very muchhh!!! ​
cupoosta [38]

Answer:

5. DE

6. 6cm

7.20 in

8. DCF

Step-by-step explanation:

7 0
3 years ago
2 dogs/ 3 cats and 10 dogs/ 15 cats are an example of
Bad White [126]
2 dogs/ 3 cats and 10 dogs/ 15 cats are an example of

b. Equivalent ratios
__________________________

\frac{10 \: dogs}{15 \: cats}  =  \frac{5 \times 2 \: dogs}{ 5 \times 3 \: cats}  =  \frac{2 \: dogs}{3 \: cats}  \\

We can see that they are equivalent ratios.
6 0
3 years ago
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