Pleaseee helppp I’m struggling

Mathematics

2 answers:

Temka [501]3 years ago

7 0

Answer is Slope is -7

ella [17]3 years ago

3 0

Answer:

slope= -7

Step-by-step explanation:

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Solve the equation by completing the square. Round to the nearest hundredth if necessary. x^2 + 3x - 5= 0

Charra [1.4K]

Answer:

$\large\boxed{x\approx-4.19\ \vee\ x\approx1.19}$

Step-by-step explanation:

$x^2+3x-5=0\qquad\text{add 5 to both sides}\\\\x^2+3x=5\\\\x^2+2(x)(1.5)=5\qquad\text{add}\ 1.5^2=2.25\ \text{to both sides}\\\\x^2+2(x)(1.5)+1.5^2=5+2.25\qquad\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\(x+1.5)^2=7.25\Rightarrow x+1.5=\pm\sqrt{7.25}\\\\x+1.5\approx\pm2.69\\\\x+1.5\approx-2.69\ \vee\ x+1.5\approx2.69\qquad\text{subtract 1.5 from both sides}\\\\x\approx-4.19\ \vee\ x\approx1.19$

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3 years ago

What is the unit cost per bottle if a pack of 12 bottles of juice sells for $6?

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4 years ago

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At sunrise, the outside temperature was 1 degree below zero. BY lunch time the temperature rose by 17 degrees and then fell be 4

Marysya12 [62]

Started out -1°.
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What is missing in this problem in order to solve it? A space ship traveled from the earth to the moon in 248 hours. How fast di

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4 years ago

You are the foreman of the Bar-S cattle ranch in Colorado. A neighboring ranch has calves for sale, and you are going to buy som

dmitriy555 [2]

Answer:

When you have two sets of data, one that represents an independent variable (X) and another that represents a dependent variable (Y) (it is a response of the first variable). A diagram called scatterplot can be generated to present the ordered pairs (X, Y) in the Cartesian plane to see how the two variables are related.

In this case the independent variable (X) is the age variable of the calf and the dependent variable (Y) is the weight of the calf.

The diagram can be seen in the attached file.

Step-by-step explanation:

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3 years ago