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sergejj [24]
3 years ago
5

The equation $1.50p + $5.00 = $14.00 shows the total cost of picking p pounds of blueberries at a local blueberry farm. How many

pounds of blueberries were picked?
A) 4.3 pounds
B) 6 pounds
C) 7 pounds
D) 12.7 pounds
Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0
First we need to subtract $5 from both sides.  That gives us the new equation 1.50p = 9.  Then, divide 9 by 1.5, which gives you the answer.  9/1.5 = 6.  
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<img src="https://tex.z-dn.net/?f=%20x%20-%202%5Csqrt%7Bx%20-%203%20%3D%200%7D%20" id="TexFormula1" title=" x - 2\sqrt{x - 3 = 0
GrogVix [38]

Answer:

No Real Solutions

Step-by-step explanation:

So we have:

x-2\sqrt{x-3}=0

First, determine the domain restrictions. The expression under the radical cannot be less than 0. Therefore:

x-3\geq 0\\x\geq 3

Therefore, our final answers must be greater than or equal to 3:

Now, going back to the original equation, subtract x from both sides:

-2\sqrt{x-3}=-x

Now, square both sides:

4(x-3)=x^2

Distribute:

4x-12=x^2

Subtract 4x and add 12 to both sides:

0=x^2-4x+12

This isn't factor-able. Let's use the quadratic formula. a is 1, b is -4 and c is 12:

x= \frac{-b \pm \sqrt{b^2-4ac}}{2a}

Substitute:

x=\frac{4\pm\sqrt{(-4)^2-4(1)(12)}}{2(1)}

Simplify the radical:

x=\frac{4\pm\sqrt{-32}}{2(1)}

The number under the radical is negative. In other words, there are no real solutions.

7 0
3 years ago
Customer A with a Bronze service level package calls in a Critical System Failure at 9:00 AM. Customer B with a Silver service l
Alex777 [14]
(9)-(11:30) so it would go on order
5 0
3 years ago
Read 2 more answers
A variable expression consists only of numbers <br><br> A. True<br><br> B. False
insens350 [35]

False, an expression can have letters too.

5 0
3 years ago
Read 2 more answers
Rachel works a day job and an evening job. She works 77 hours every two weeks. The ratio of the hours she works at her day job t
Nadusha1986 [10]

Answer:

1680 dollars

Step-by-step explanation:

7 + 4 = 11

77  \div 11 = 7

day \: 7 \times 7 = 49h

evening \: 7 \times 4 = 28h

24 \div 4 = 6

6 \times 3 = 18 (hourly \:  pay \: of \: evening \: job)

24 \times 49 = 1176

28 \times 18 = 504

total \: 1176 + 504 = 1680

4 0
3 years ago
Can someone help me with this question? <br> (2,5) and (10,3) What is the slope and the y-intercept
Paha777 [63]

Answer:

slope is -1/4

y intercept is 11/2

Step-by-step explanation:

the slope is (3-5)/(10-2) = -2/8 = -1/4 (using the slope formula)

the y intercept we can set up an equation, y= mx + b

we already know m, which is -1/4 (the slope), and to find b, we could just plug in one of the points to get

5 = (-1/4)*2+b

solve the equation

b = 11/2

4 0
2 years ago
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