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shtirl [24]
3 years ago
6

50 PTS Please do not steal or I will report

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
8 0

Answer:The quadratic formula helps us solve any quadratic equation. First, we bring the equation to the form ax²+bx+c=0, where a, b, and c are coefficients. Then, we plug these coefficients in the formula: (-b±√(b²-4ac))/(2a) .The four methods of solving a quadratic equation are factoring, using the square roots, completing the square and the quadratic formula.

Step-by-step explanation: 6x² + 11x - 35 = 0.

2x² - 4x - 2 = 0.

-4x² - 7x +12 = 0.

20x² -15x - 10 = 0.

x² -x - 3 = 0.

5x² - 2x - 9 = 0.

3x² + 4x + 2 = 0.

-x² +6x + 18 = 0.

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Using the piling method, which of the following can be constructed from discs alone?--A.PrismB.CylinderC.Cone (including the ver
alexandr1967 [171]

EXPLANATION:

Required;

We are required to identify which solid can be formed from discs alone by using the pilling method.

Step-by-step explanation;

If we take several discs of the same radius and begin pilling them one on top of another, we would end up with a cylinder.

Also, if we take several discs which are of decreasing radii, then pilling them one on top of another (starting with the largest to the smallest radius), we would end up with a cone whose shape would be such that the disc with the largest radius would be at the base while the one with the smallest radius would be at the top.

Note however, that this cone would not have a vertex, because the vertex cannot be a circular disc.

Therefore,

ANSWER:

B; Cylinder

E: Cone (not including the vertex)

7 0
1 year ago
Jack is mowing lawns he mows lawns at a constant rate of 1/3 acre every 3/4 hour at this rate which ffraction re;presents the ac
Tanzania [10]

Answer:

4/9

Step-by-step explanation:

Given rate is 1/3 acre per 3/4 hours.

To calculate the rate per hour, we have to divide total acres by the fraction of hour

=> \frac{\frac{1}{3} }{\frac{3}{4} }

=> \frac{4}{3*3}

=> 4/9

5 0
3 years ago
What was the first inverse operation to find the answer of -4(3x -5) < 2(3x+ 4)
Dovator [93]

Answer:

First operation is Parathenses or Grouping. In this case, you need to use distrubtion to go past this operation

Step-by-step explanation:

6 0
3 years ago
Please can someone answer this for me?
soldier1979 [14.2K]

Answer:

1.

$.33

$3

2.

all the answers can be found when the rate is known which is

grapes are sold at $3 per pound

Step-by-step explanation:

$6 ÷ 2 pounds = $3 per 1 pound

this means 1 pound of grapes is $3

next row

1 ÷ 3 = $.33

3rd row

1 multiplied by 3 = $3

2.

all the answers can be found when the rate is known which is

grapes are sold at $3 per pound

6 0
2 years ago
Find the distance between (2,-4) and (5,-8)
Talja [164]

Using the distance formula:

Distance = √((x2-x1)^2 + (y2-y1)^2)

Distance = √((5-2)^2 + (-8 - -4)^2

Distance = √(3^2 + -4^2)

Distance = √(9 +16)

Distance = √25

Distance = 5

7 0
4 years ago
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