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AleksandrR [38]
3 years ago
5

A quadratic equation of the from 0=ax2+bx +c has discriminated value of -16 .how many real number solutions does the equation ha

ve
Mathematics
1 answer:
drek231 [11]3 years ago
3 0
+ discriminant => 2 real, unequal roots
0 discriminant => 2 real, equal roots
- discriminant => 2 imaginary or complex roots which are conjugates

Here the discriminant is -16.  How many real number solutions does this equation have?  Think before you make your choice!

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A regular octagonal pyramid has a base edge of 3m and a lateral area of 60m^2. Find its slant height.
Olin [163]
Octagon = 8-side polygon

<u>Find area of 1 triangle:</u>
Area of one side triangle = 60 ÷ 8 = 7.5 m²

<u>Given area and length, find height:</u>
Area of each triangle = 7.6 m²
Length of each triangle = 3m

Area = 1/2 x base x height
7.5 = 1/2 x 3 x height
Heigth = 5m

Answer: Slanted Height = 5 m

4 0
2 years ago
Hi! -2x + y = -11 4x + 4y = 4 System by substitution!!!
Mashcka [7]

Answer:

Point Form:

(

8

3

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5

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x

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6 0
2 years ago
Read 2 more answers
2) help ASAP due in like 10min
Anna [14]

Answer:

y=25x-5

Step-by-step explanation:

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8 0
3 years ago
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Aleonysh [2.5K]
2 pounds per person
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2 years ago
5. A researcher creates a scatter plot that displays the relationship between the number of years in business, , and the percent
Black_prince [1.1K]

Based on the information given, it should be noted that the residual for the two points will be 0.087 and -0.033 respectively.

<h3>How to find the residual.</h3>

From the complete information, the predicted value for the point (3, 0.42) will be:

= (0.091 × 3) + 0.060

= 0.0273 + 0.060

= 0.333

Therefore, the residual will be:

= 0.42 - 0.333 = 0.087

The predicted value for the point (3, 0.3) will be:

y = 0.091x + 0.060.

= (0.091 × 3) + 0.060.

= 0.333

Therefore, the residual will be:

= 0.3 - 0.333 = -0.033

Therefore, the residual for the two points will be 0.087 and -0.333 respectively.

Learn more about residuals on:

brainly.com/question/26255019

8 0
1 year ago
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