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2 years ago

What do you do here ?

Mathematics

1 answer:

Grace [21]2 years ago

3 0

Answer:

All you have to do is graph it on a coordinate plane

Step-by-step explanation:

Make a coordinate plane and Label 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 up and down the side to side label it A, B, C, D, E, F, G, H, I, J, K, L, M, N, O and then graph your coordinates.

Hope this helps

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Quadratic equation. Find the value of m so that the roots of the equation (4 - m) x^2 + (2m + 4)x + (8m + 1) = 0 may be equal.

nikitadnepr [17]

The quadratic has one root with multiplicity 2 if the discriminant is 0, which is

$(2m+4)^2-4(4-m)(8m+1)$

(That is, for a quadratic $ax^2+bx+c$ , the discriminant is $b^2-4ac$ .)

Set the discriminant equal to 0 and solve for $m$ :

$(2m+4)^2-4(4-m)(8m+1)=0$

$4m^2+16m+16+32m^2-124m-16=0$

$36m^2-108=0$

$36m(m-3)=0$

$\implies m=0\text{ or }m=3$

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2 years ago

What is 3.75x-5-8.75+4.5+0.5 I need help ASAP it is a simplify the expression question

miv72 [106K]

Answer:

3.75x-8.75 or

Step-by-step explanation:

3 0

2 years ago

What is v?<br> -15V-40 = 23-8V

Andrew [12]

Answer:

V = -9

Step-by-step explanation:

-15V - 40 = 23 - 8V

The objective is to get V alone. To do this, first subtract -15V from both sides. Since -15V is a negative, subtracting it will be adding a positive.

-40 = 23 + 7V

Now that there is only one term with the variable V, subtract 23 from both sides.

-63 = 7V

Finally, divide both sides by 7 to get V completely isolated.

-9 = V.

The final answer is V = -9.

7 0

2 years ago

Read 2 more answers

Please answer this and thank you<br><br> If DE=4x+10, EF=2-1, and DF=9x-15, find DF.

professor190 [17]

I hope that 2-1 means 21.

DE + EF = DF
4x + 10 + 21 = 9x - 15
4x + 31 = 9x - 15
31 = 9x - 4x - 15
31 = 5x - 15
46 = 5x
x = 9 1/5 = 9.2

You want 9x - 15
9*9.2 - 15
82.8 - 15
67.8 <<<<< answer.
If I have given the wrong meaning to 2-1 (which could mean 1) leave another note and I will correct my work.

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3 years ago

A map has a scale of 1 in: 10 mi. On the map, the distance between two cities is 5 inches. What is the actual distance between t

Schach [20]

50 miles since 1 inch equals 10 miles and there's 5 inches that means 5x10=50

4 0

2 years ago