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never [62]
4 years ago
5

Is this right idk but i need work fir it

Mathematics
1 answer:
bija089 [108]4 years ago
7 0

Answer:

The answer is C 5/4

Step-by-step explanation:

When lines are parallel and you know there is a scalar factor, make the ratio by putting the original over the dilation 15:12 or 15/12 this is the ratio and after you need to reduce by dividing by the greatest common factor. 15 and 12's GCF is 3 so (15/3)/(12/3) = 5/4.

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if the sum of roots of the quadratic equation x^(2)-3kx-(k+2)=0 is equal to the product of roots,find k
love history [14]

Answer:

1/2

Step-by-step explanation:

quadratic equation is ax²+bx+c=0

Products of roots is c/a

Sum of roots is -b/a

On comparing the above equation with general equation we have

a=1

b=-(3k)

c=-(k+2)

Now it is given that sum of roots and product of roots is equal

So,

-b/a=c/a

-b=c

-[-(3k)]=-(k+2)

3k=-k-2

3k+k=-2

4k=-2

k=-1/2

6 0
3 years ago
Marco has a jug with 37 1/2 ounces of juice. He wants to use some small cups to pass out samples of the juice. Each cup can hold
Neko [114]

37 1/2 divided by 2 1/2=15

Marco can fill 15 cups with juice samples.

Check:
2 1/2x15=37 1/2
8 0
3 years ago
6. A tank is being filled with water. The graph shows the
grandymaker [24]

Answer:

30 gallons per minute

Step-by-step explanation:

the answer is 30 gallons per minute

3 0
3 years ago
Solve the equation: <img src="https://tex.z-dn.net/?f=5%5Ex%5E%28%5Ex%5E-%5E1%5E%29%3D1" id="TexFormula1" title="5^x^(^x^-^1^)=1
Tomtit [17]

<u>The concept:</u>

We are given the equation:

5^{x(x-1)} = 1

Which can be simplified as:

5^{x^{2} - x} = 1^{1}

Since any number to the power '0' is 1

x² - x must be equal to 0 for the given equation to be true

<u></u>

<u>Solving for x:</u>

x² - x = 0

x(x-1) = 0

now, we can divide both sides by either x OR x-1

So we will see what we get for either choice:

x = 0/(x-1)                           x-1 = 0/x

x = 0                                  x = 1

Hence, the value of x is either 0 or 1

7 0
3 years ago
A scalene triangle has an area of 20.335square centimeters.the height of the triangle is 8.3. What is the length of its base
larisa86 [58]
<span>a I took the test on ingenuity</span>
4 0
4 years ago
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