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krek1111 [17]
4 years ago
13

Factor the trinomial or state that it is prime 4y²+54y-90

Mathematics
2 answers:
lidiya [134]4 years ago
6 0
4y^2+54y-90=\\
2(2y^2+27y-45)=\\
2(2y^2+30y-3y-45)=\\
2(2y(y+15)-3(y+15))=\\
2(2y-3)(y+15)
castortr0y [4]4 years ago
4 0
<span>   4y²+54y-90
= 2(2y</span>²+27y-45)
<span>= 2(2y-3)(y+15)  <- this is the final answer. :)

</span>
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3. Jeff Ruiz wants to purchase chocolates. The price of a 2-ounce box is $1.10, a 16-ounce box is $8.98, and a
bekas [8.4K]

Jeff should purchase 25 , 2 ounce box and it will cost him $27.5 .

<h3>What is an ounce ?</h3>

Ounce is defined as 1/16 part of a pound.

It is given that

price of a 2-ounce box is $1.10,

a 16-ounce box is $8.98

a 32-ounce box is $17.98.

As Jeff wants to purchase total 48 ounce chocolates , the box which is more cheaper has to be determined  

The price of 1 ounce in a 2 ounce box is $1.1 /2 = $ 0.55

The price of 1 ounce in a 16 ounce box is $8.98 /16 = $ 0.56

The price of 1 ounce in a 32 ounce box is $17.98 /32 = $ 0.56

Therefore Jeff should purchase 25 , 2 ounce box and it will cost him $27.5 .

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5 0
2 years ago
Change subject of the formula to x <br>x (5b - 2) = 2b +3​
amid [387]

Answer:

x = \frac{2b+3}{5b-2}

Step-by-step explanation:

Given

x(5b - 2) = 2b + 3 ← isolate x by dividing both sides by (5b - 2)

x = \frac{2b+3}{5b-2}

3 0
3 years ago
there are 12people gathered around the dining room table for Thanksgiving 5women, 3 men, 2 boys and 2girls. what fraction of peo
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4/12 simplified the answer is 1/3
7 0
3 years ago
Read 2 more answers
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kherson [118]
That would be

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8 0
3 years ago
Dan has bags of candy with two pieces in each. Bill has bags of candy with five pieces in each. Bill has six more bags than Dan.
Anna35 [415]

<u>Answer:</u>

Bill has bags of candy with five pieces in each. The Bill has 16 bags

<u>Solution:</u>

Given, Dan has bags of candy with two pieces in each.  

Bill has bags of candy with five pieces in each.  

Bill has six more bags than Dan.  

Then, number of bags with bill = 6 + number of bags with dan.

The total number of pieces candy the two boys have 100.  

Now, candies with bill + candies with dan = 100

⇒ 5 pieces per bag x number of bags with bill + 2 pieces per bag x number of bags with dan = 100

⇒ 5 x (6 + number of bags with dan) + 2 x number of bags with dan = 100

⇒ 30 + 5 x number of bags with dan + 2 x number of bags with dan = 100

⇒ (5  + 2) x number of bags with dan = 100 – 30

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⇒ Number of bags with dan = 10

So, number of bags with bill = 6 + 10 = 16

Hence, bill has 16 bags.

7 0
4 years ago
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