<img src="https://tex.z-dn.net/?f=3x%20%2B%204%28x%20%2B%201%29%20%3D%20x%20%2B%202%28x%20%2B%203%29" id="TexFormula1" title="3x

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3 years ago

+ 4(x + 1) = x + 2(x + 3)" alt="3x + 4(x + 1) = x + 2(x + 3)" align="absmiddle" class="latex-formula">
I keep trying this and get it wrong each time Helpp!!!

Mathematics

1 answer:

Nikolay [14]3 years ago

5 0

It would be 1/2 and in decimal form it’d be 0.5

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75%

Step-by-step explanation:

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4 years ago

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The area triangle is 35 square ft. Use a quadratic equation to find the length of the base. Round your answer to the nearest ten

Rainbow [258]

Answer:

Length of base is 17.2

Step-by-step explanation:

Area of triangle is (1/2)bh

Base is x+4

Area = 35sq ft

Height= x

35 = (1/2)bh

35 = (1/2)(x+4)x

35 = [(x+4)x]/2

Cross multiply

2 x35 = [(x+4)x]

70 = x^2+4x

0 = x^2+4x-70

Using quadratic formula

X= (-b_+sqrtb^2-4ac)/2a

b= 4

a=1

c=-70

X = (-4_+sqrt4^2-4(1)(-70)/2(1)

X= (-4_+sqrt16+280)/2

X= (-4_+sqrt296)/2

X = (-4_+17.2046505341)/2

X= (-4-17.2046505341)/2, (-4+17.2046505341)/2,

X = -21.2046505341, 13.2046505341

To the nearest tenth

X= -21.2 , 13.2

Length can not be negate so we disregard -21.2

Height is 13.2

Base is x+4 = 13.2 + 4 = 17.2

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4 years ago

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1. A rectangle has an area given by A=x^2+5x+6. Find expressions for the possible lengths and width of the rectangle.

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1. $x^2+5x+6 = (x+3)(x+2)$ , which implies that the sides could be $x+3$ and $x+2$ . (There are theoretically an infinite number of side-lengths, though--in general, for any polynomial or reciprocal of a polynomial $P(x)$ , $\frac{x+3}{P(x)}$ and $P(x)(x+2)$ is valid. However, the set provided makes the most sense.)

2. Profit is the difference between cost and revenue. For revenue, $0.0000x^2 = 0$ , so revenue equals $40x$ , so profit equals $26x-120,000.$

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3 years ago

On average, Ryan can finish a puzzle in 3 hours but, depending on the difficulty of the puzzle, his time can vary Let x represen

saw5 [17]

Answer:

Ryan's maximum time to complete a puzzle is 5 hours

Ryan's minimum time to complete a puzzle is 1 hour

Step-by-step explanation:

<u><em>The complete question is</em></u>

On average, Ryan can finish a puzzle in 3 hours but, depending on the difficulty of the puzzle, his time can vary from the average by 2 hours.

Which absolute value equation can be used to calculate Ryan's maximum and minimum time to complete a puzzle?

Let x represent the maximum and minimum time

we know that

The absolute value of the difference between x and the average must be equal to 2

$\left|x-3\right|=2$

Solve the absolute value

First case (positive case)

$+(x-3)=2$

$x=2+3\\x=5$

Second case (negative case)

$-(x-3)=2$

Multiply by -1 both sides

$(x-3)=-2$

$x=-2+3\\x=1$

therefore

Ryan's maximum time to complete a puzzle is 5 hours

Ryan's minimum time to complete a puzzle is 1 hour

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3 years ago

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Answer:

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Step-by-step explanation:

given data

cost of Almonds= $5.2

cost of raisins= $2.75

total cost = $11.7

given that the relationship that represents the cost for the two quantities is

5.20a + 2.75r = 11.70

where a= almond

r= raisin

we are going to substitute a=0.41 in the expression to solve for r

5.20(0.41) + 2.75r = 11.70

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collect like terms

2.75r=11.7-2.132

2.75r=9.568

r=9.568/2.75

r=3.48

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3 years ago