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Minchanka [31]
3 years ago
5

What is the solution to 3x²+x+10=0

Mathematics
1 answer:
e-lub [12.9K]3 years ago
7 0

Answer:

x = - 1/6 + √-119/6, and, - 1/6 - √-119/6

Step-by-step explanation:

Using the quadratic formula which is: - b ± √b² - 4ac / 2a

a = 3, b = 1, c = 10

- 1 ± √1² -4 * 3 * 10 / 2 * 3

- 1 ± √1 - 120 / 6

-1 ± √-119 / 6

= -1/6 + √119/6,               or                  - 1/6 - √-119/6

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Identify a common factor (other than 1) of the terms in the expression −7x+21
Naddika [18.5K]

Answer:

Step-by-step explanation:

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4 0
3 years ago
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A water cup is shaped like a cone. It has a diameter of 3 inches and a slant height of 5 inches. About how many square inches of
daser333 [38]

Options were missing in the question;

A water cup is shaped like a cone. It has a diameter of 3 inches and a slant height of 5 inches. About how many square inches of paper do you need to make a cup? Use 3.14 to approximate pi.

24 square inches

31 square inches

47 square inches

52 square inches

Answer:

24 square inches

Step-by-step explanation:

Given:

Diameter = 3 in

So we can say that;

Radius is half of diameter.

radius (r) = \frac{3}{2}=1.5\ in

Slant height (l) = 5 in

We need to find how many square inches of paper do you need to make a cup.

Solution:

Now according to question we required to find the amount of paper used to make cup.

Also Water cup is shaped liked cone.

Hence we can say that the base of cone is not covered since it will remain open.

So we will use Lateral surface area of the cone to find the paper requirement.

Now we know that;

Lateral surface area of cone is equal to π times radius times slant height.

framing in equation form we get;

A_L = \pi rl=3.14\times1.5\times5 = 23.55 in^2 \approx 24\ in^2

Hence We can say that 24 square inches of paper will be needed to make the cup.

5 0
3 years ago
Bruce evaluates the expression on a math quiz, 8.8 ÷ 2.7 and gets an answer of 4.14.
ella [17]
The correct answer is choice d.....
4 0
4 years ago
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1. What number, when substituted for x in the following problem, will make the problem true?
riadik2000 [5.3K]

Answer:

x = 17.82

Step-by-step explanation:

6x + 8% = 107    

      -8%    -8%

or

107 - 0.08 = 106.92

-----------------------------------

6x = 106.92

÷6      ÷6

x = 17.82

------------------------------------

I hope this helps!

8 0
2 years ago
Gabriela walked to school on 16 of the 24 school days in March. Which value is equivalent to the fraction of the school days in
olchik [2.2K]

Answer:

\frac{2}{3}

Step-by-step explanation:

A fraction is a quantity that is not a whole number. In maths, a fraction usually has a numerator and a denominator.

The numerator is the number above. While the denominator is the number below

an example of a fraction = \frac{4}{5}

4 is the numerator while 5 is the denominator

In this question, the numerator would be the number of times she walked to school in march(16). While the denominator would be the number of school days in March

\frac{16}{24}

the above fraction is not in its simplest form. To express in its simplest form, divide both numerator and the denominator by 8 . this gives

\frac{2}{3}

5 0
3 years ago
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