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kvv77 [185]
2 years ago
12

Which of the following is NOT a monomial? -2x, 0, 3xy, x-1

Mathematics
2 answers:
Whitepunk [10]2 years ago
7 0

Answer:

x-1

Step-by-step explanation:

kobusy [5.1K]2 years ago
7 0
<h3>Answer:  Choice D)  x-1</h3>

Explanation:

A monomial is one term. The "mono" part means "one". Think of something like "monorail" to help remember that term.

The expressions -2x, 0 and 3xy are all monomials as they are one term when considered separately on their own. Therefore, we can rule out choices A,B,C.

In contrast, x-1 is not a monomial. Instead, it's a binomial consisting of the two terms x and -1. This is why choice D is the final answer.

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You invested money in two funds. Last year, the first fund paid a dividend of 9% and the second a dividend of 3%, and you receiv
Elden [556K]
If the amount of money you invested in the first fund is x and the second fund y, then 9% (or 0.09 by moving the decimal 2 spots)*x+0.03*y=1047 since the first fund paid 9% and the second 3%. In addition, for this year, we get 
0.1*x+0.01*y=811. 
We also have 0.09*x+0.03*y=1047, so we can multiply the top equation by -3 and add it to the second to get -0.21x=-1386. Dividing both sides by -0.21, we get x=6600. In addition, since 0.1*x+0.01*y=811, we can plug 6600 in for x to get 660+0.01*y=811 and by subtracting 660 from both sides we get 0.01*y=151. Multiplying both sides by 100 (since 0.01*100=1), we get y=15100
6 0
3 years ago
The left and right page numbers of an open book are two consecutive integers whose sum is 23. Find these page number.
zavuch27 [327]

Answers: The page numbers are 11 and 12

==========================================================

Explanation:

Consecutive integers are ones that follow immediately after another. For example, the set {7,8,9,10} are consecutive.

Let,

  • x = first page, some positive whole number
  • x+1 = second page, follows immediately after page x

Adding those two said pages will lead to 23

first + second = 23

(x) + (x+1) = 23

2x+1 = 23

2x = 23-1

2x = 22

x = 22/2

x = 11 is the first page

x+1 = 11+1 = 12 is the second page

Check: 11+12 = 23 which confirms the answers.

8 0
2 years ago
How do i solve this​
Sophie [7]

Step-by-step explanation:

You're given that ΔUVW is similar to ΔYZW.  The tricky part is identifying which sides in ΔUVW correspond to which sides in ΔYZW.

The triangles share point W, so visually rotate one triangle around W until the two triangles align.  That way, you can see that UW and ZW correspond to each other, and VW and YW correspond to each other.

Now you can find the scale:

VW / YW = 5/12

And you can write a proportion to find x:

UW / ZW = VW / YW

x / 64 = 5 / 12

x = 26 ⅔

5 0
3 years ago
Priya has a recipe for banana bread. She uses 7 1/2 cups of flour to make 3 loaves of banana bread. Andre will follow the same r
DochEvi [55]

9514 1404 393

Answer:

  A.  b = 2/5f

Step-by-step explanation:

Andre's equation is in the form ...

  b = kf

The value of k can be found by dividing by f:

  b/f = k

For Priya's recipe, the values are ...

  b/f = k = 3/7.5 = 2/5

Andre's equation is ...

  \boxed{b=\dfrac{2}{5}f}

4 0
2 years ago
Which fraction is closest to 1/2?<br> A:1/6<br> B:3/8<br> C:3/4<br> D:-1/2
Mandarinka [93]
B. 3/8 is the answer




5 0
3 years ago
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