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Anvisha [2.4K]
3 years ago
11

Which of the sums below can be expressed as 8(2 + 7)?

Mathematics
2 answers:
Alika [10]3 years ago
3 0
D. is the correct answer I believe
Andrei [34K]3 years ago
3 0
Its D. 8*2=16 & 8*7=56
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I think it is ae if i get it wrong sorry goodluck
6 0
3 years ago
What is the maximum number of possible extreme values for the function, F(x)=x^4+x^3-7x^2-x+6?
Arturiano [62]

Coming from a 6th grader but I hope this is right!

Polynomials of degree greater than 2 can have more than one max or min value. The largest possible number of minimum or maximum points is one less than the degree of the polynomial. The following examples illustrate several possibilities.

since the degree is 4

number of possible extreme values = 4 -1 = 3

3 0
3 years ago
The radius of a circle is 20cm. What is its area? ( ratio= 3.14)<br><br> ​
Musya8 [376]

Answer:

A=100π=314.16 cm 2 to 5 significant figures

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
PLEASE HELP
ozzi
Kirk multiplied by 5.

-.25x • 4 = -1x
.2x • 5 = 1x

This causes the x terms to eliminate :)
5 0
3 years ago
Please help me with these two questions
melisa1 [442]

Hi! It will be a pleasure to help you finding the solution to this problem, so let's solve each part:

<h2>PART 1.</h2><h3>Finding the correct expression.</h3><h3>Correct answer:</h3>

\boxed{A. \ 1.50h+4}

From the problem, we know the following data of the problem:

  • Laval parked at the beach.
  • Laval paid a fixed price of $4 for a pass.
  • Laval paid $1.50 for each hour.

Our goal is to find the the expression for the total cost for parking at the beach for h hours. So:

Step 1: Since we have a fixed price, this value will appear in our expression:

4

Step 2: Since Laval paid $1.50 for each hour, this can be represented as the following expression:

1.50h

Finally, we can write total cost (C) as the sum of these two expressions:

C=1.50h+4

Finally, our correct option is A:

\boxed{1.50h+4}

<h2>PART 2.</h2><h3>Finding h.</h3><h3>Correct answer:</h3>

5 hours

Here we have to find how many hours Laval spent at the beach knowing that he paid a total amount of $11.50. From the previous part, we know that our expression is:

C=1.50h+4 \\ \\ For \ C=11.50 \\ \\ 11.50=1.50h+4 \\ \\ Subtracting \ 4 \ from \ both \ sides: \\ \\ 11.50-4=1.50h+4-4 \\ \\ 7.5=1.50h \\ \\ Dividing \ both \ sides \ by \ 1.50 \\ \\ h=\frac{7.5}{1.50}=5

Finally, he spent 5 hours at the beach

6 0
3 years ago
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