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quester [9]
3 years ago
8

PLEASE HELP ME!!!

Mathematics
2 answers:
Helen [10]3 years ago
8 0

Answer:

Just took it!

Step-by-step explanation:

Ede4ka [16]3 years ago
7 0

The roots of the quadratic equation ax^2+bx+c=0 are

x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}.

Here the given quadratic equation is 5x^2-13x+7=0. Here a=5,b=-13,c=7.

The roots are

x=\frac{13 \pm \sqrt{13^2-4*5*7}}{2*5} \\ x=\frac{13 \pm \sqrt{29}}{10}

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Which statement is true about this argument? premises: if an angle measure is greater than 90°, then the angle is an obtuse angl
vazorg [7]
Answer: option d. the argument is valid by the law of detachment.

The law of detachment consists in make a conlcusion in this way:

Premise 1) a => b
Premise 2) a is true

Conclusion: Then, b is true

Note: the order of the premises 1 and 2 does not modifiy the argument.

IN this case:

Premise 1) angle > 90 => obtuse

Premise 2) angle = 102 [i.e. it is true that angle > 90]]

Conclusion: it is true that angle is obtuse

3 0
3 years ago
Read 2 more answers
Ratio of 2:3 white flour to whole wheat flour to total of 10 cups flour
LenaWriter [7]
White flour makes up 2 / (2+3) of the total 10 cups:  2/5 of the total 10 cups.

2/5 times 10 is 4 cups.

You'll need 4 cups white flour and 6 cups whole wheat flour, making a total of 10 cups of flour.
8 0
3 years ago
PLEASE HELPPPPPPPPPPPPPPPP
iogann1982 [59]

Answer:

Our radius is already given, 8.

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8^2 x 3.14

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Formula of a circumference:

2πr

2 x pie x radius (pie can be used as 22/7 or 3/4 most likely 3.14)

Formula of an area of a Circle:

πr^2

pie x radius squared (pie can be used as 22/7 or 3.14)

6 0
3 years ago
Kojo wants to be an author. To improve his writing skills, every day after school he writes 3 pages of a story he is
koban [17]

If the number of days is d and he writes 3 pages for every d, then we can say

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12x -3 divided by -5
Vesna [10]

Answer: 1.8x

Step-by-step explanation:

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