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SOVA2 [1]
3 years ago
5

The expression 2y+3y2−5y+y2simplifies to 4y2−3y true or false

Mathematics
1 answer:
Mumz [18]3 years ago
8 0

Answer:

False?

Step-by-step explanation:

I'm pretty sure it's false because wouldn't it simplify to 5y? Sorry if I'm wrong. :)

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Knitting: You are knitting a blanket. You want the area of the blanket to be 24ft^2. You want the length of the blanket to be 2
andriy [413]
You can use factors to solve.  Determine all the factor pairs of 24, find the two that are two numbers apart.
1, 24 X
2, 12 X
3, 8 X
4, 6 YES!


Algebraic way to solve using Quadratics:
l = 2 + w

A = lw

A = (2 + w)w  Substitute (2 + w) for l

24 = (2 + w)w  Substitute 24 in for the area

24 = 2w + w^2  Distribute

w^2 + 2w - 24 = 0  Set equal to 0 (put in standard form)

(w + 6) (w - 4) = 0  Factor

w + 6 = 0  and w - 4 = 0    Set each factor equal to 0.

So w= -6 or w = 4 ... -6 makes no sense for a length!  So the width must be 4 and the length will be 4 + 2, which is 6.

5 0
4 years ago
Kendra claims that the shape of the xylophone is a rectangle since there right angles and parallel sides is this right
Olin [163]

Answer:

No,as squares also follow those rules

Step-by-step

Please rate me the brainiest

4 0
3 years ago
Find the value of this expression if x = 3
sergeinik [125]
The answer would be -18/-7
6 0
3 years ago
Read 2 more answers
Over what interval is the quadratic function decreasing?
frosja888 [35]

The interval over which the given quadratic equation decreases is:  x ∈ (5, ∞).

<h3>How to find the interval of quadratic functions?</h3>

Usually a quadratic graph function decreases either when moving from left to right or moving downwards.

In the given graph, we can see that the coordinate of the vertex is (5, 4) after which the curve goes in the downward direction.

Thus, for the values of x greater than 5, the function decreases and so we conclude that the interval in which the quadratic equation decreases is: (5, ∞).

Read more about Quadratic functions at: brainly.com/question/18030755

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6 0
2 years ago
Read 2 more answers
For a wedding the bride must select 4 bridesmaids from her 6 closest friends and must arrange them in order for the ceremony. Ho
Hitman42 [59]

360  arrangements of 4 bridesmaids from her 6 closest friends are possible !

<u>Step-by-step explanation:</u>

Here we have , For a wedding the bride must select 4 bridesmaids from her 6 closest friends and must arrange them in order for the ceremony. We need to find How many arrangements of 4 bridesmaids from her 6 closest friends. Let's find out:

We know that formula for permutation is given by :

⇒ nP_r = \dfrac{n!}{(n-r)!}

According to question we have following parameters as : n = 6 , r = 4

⇒ 6P_4 = \dfrac{6!}{(6-4)!}

⇒ 6P_4 = \dfrac{6!}{(2)!}

⇒ 6P_4 = \frac{6(5)(4)(3)2!}{(2)!}

⇒ 6P_4 =360

Therefore , 360  arrangements of 4 bridesmaids from her 6 closest friends are possible !

5 0
4 years ago
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