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Artemon [7]
3 years ago
14

How many solutions does 3x^2+11x+10=0 have

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
8 0

Answer:

Step-by-step explanation:

Let's find the discriminant \Big(\sqrt{b^2-4ac}\Big)

\sqrt{11^2-4(3)(10)} = 1

It is a positive number, therefore there are 2 solutions

Anarel [89]3 years ago
3 0

Answer:

2 solutions

Step-by-step explanation:

3x^2+6x+5x+10=0

(3x)x(x+2)+5(x+2)=0

(x+2)x(3x+5)=0

x+2=0

3x+5=0

x=-2

x=-5/3

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The local bakery applies a 155% markup on all baked goods. If it costs them $3.50 to make a batch of cookies, at what price do t
natka813 [3]

The price charged for the batch of cookies is $8.925

Step-by-step explanation:

Marked price refers to the price at which an establishment offers to sale a product. For-profits to occur, marked price is always more than cost price (cost of producing the item)

Here the local bakery has marked up the price by 155%. This means that the local bakery has increased the marked price by 155% above the cost price accrued to them.

The cost price of the cookies= $ 3.5

Hence the increased marked price= (155/100) *3.5

Increased marked price= $ 5.425

Hence the charge customers need to pay for the cookies= increased marked price + cost price

Charge = $5.425+ $3.5= $8.925

the price charged for the batch of cookies is $8.925

6 0
3 years ago
Of flowers in a field 43% are yellow . The others are white. A bee randombly lands on a flowerdescribe the complelment of the be
Dima020 [189]

Answer:

0.43

Step-by-step explanation:

Yellow flowers are 43%.

White flowers are = (100% - 43% ) = 57%

Consider there are total 100 flowers in the garden , so yellow ones are 43 and white ones are 57

Probability of a bee landing on a yellow flower is 43 out of 100

= 43/ 100

=0.43

4 0
3 years ago
Hannah buys two and a half pound of dried fruit for $1.15 how much is she paying for one pounds of dried fruit
Nadya [2.5K]

All we have to do here is divide how much she paid ($1.15) by how many pounds of dried fruit she bought (2.5 pounds)

1.15 ÷ 2.5 = 0.46

Therefore each pound costs $0.46

Hope this helps

-AaronWiseIsBae

5 0
3 years ago
On the grid, draw the graph of<br> y = 2x - 3<br> for values of x from -2 to 4<br> Q
Pie

Answer:

Plot these points:(-2,-7) (-1,-5) (0,-3) (1,-1) (2,1) (3,3) (4,5)

Step-by-step explanation:

You need to substitute your x values into the x of the equation y=2(3)-3 to find the y value...

3 0
3 years ago
The vertex form of the equation of a parabola is y = 2(x + 3)2 - 5. What is the standard form of the equation?
svet-max [94.6K]
Hello : 
<span>y = 2(x + 3)² - 5
y = 2(x²+6x+9) -5
y = 2x² +12x +13...(answer : </span><span>A) y=2x^2+12x+13 )</span>
7 0
3 years ago
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