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Genrish500 [490]
2 years ago
8

3. Determine how many real solutions the quadratic equation has. x2 + 6x + 8

Mathematics
2 answers:
Marat540 [252]2 years ago
6 0
The answer is b two solutions
12345 [234]2 years ago
5 0
B is the correct answer
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The edge length of a cube is 17 cm. Identify the length of its diagonal. Round to the nearest tenth, if necessary. HELP PLEASE!!
lara31 [8.8K]

Answer:

29.4 cm

Step-by-step explanation:

The length of the space diagonal can be found to be the root of the squares of the three orthogonal edge lengths. For a cube, those edge lengths are all the same, so the diagonal length is ...

d = √(17^2 + 17^2 +17^2) = 17√3 ≈ 29.4 . . . . cm

_____

Consider a rectangular prism with edge lengths a, b, c. Then the face diagonal of the face perpendicular to edge "a" has length ...

(face diagonal)^2 = (b^2 +c^2)

and the space diagonal has length ...

(space diagonal)^2 = a^2 + (face diagonal)^2 = a^2 +b^2 +c^2

So, the length of the space diagonal is ...

space diagonal = √(a^2 +b^2 +c^2)

when the prism is a cube, these are all the same (a=b=c). This is the formula we used above.

3 0
3 years ago
What is the total surface area of a sphere if its radius is 6m?
Agata [3.3K]

Answer:

452.16 m^2

Step-by-step explanation:

The surface area of a sphere is given by

A=4πr^2

  = 4 * π * ( 6)^2

  = 4 * π *36

   144 π

Letting pi = 3.14

A is approximately 452.16 m^2

5 0
3 years ago
Read 2 more answers
The stemplot displays the selling prices of homes for ABC Realty in April.
Alexxandr [17]

The stemplot displays the entire values for the selling prices of homes for ABC Reality in April.

The correct set of data for the stemplot is the option;

  • <u>$459,000, $227,000, $67,000, $123,000, $213,000, $482,000, $85,000, $181,000, $225,000, $92,000, $181,000, $287,000, $196,000, $276,000</u>

<h3>Method by which the above option is selected</h3>

The data in the stemplot are;

459,000, 482,000, 213,000, 225,000, 276,000, 277,000, 287,000, 123,000, 181,000, 181,000, 196,000, 67,000, 85,000, 92,000

Given that there are no values in the 300,000s, and that 181,000 appear twice, the option that corresponds to the above data is therefore;

  • $459,000, $277,000, $67,000, $123,000, $213,000, $482,000, $85,000, $181,000, $225,000, $92,000, $181,000, $287,000, $196,000, $276,000

Learn more about stemplot here:

brainly.com/question/10572086

6 0
2 years ago
The science club and the French club both ordered pizzas for their end-of-year banquets. After the banquets, the science club ha
tankabanditka [31]

Answer:

A. 23/24

Hope this helped

Step-by-step explanation:

6 0
3 years ago
A group of 6 friends of varying ages meets at a coffee shop and sits in a circle. What is the probability that the
katrin2010 [14]

Answer:

1 out of 6

Step-by-step explanation:

So basically the shortest is one person in the group of six aand 1/6 cant be simplified so yeah

8 0
3 years ago
Read 2 more answers
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