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Paladinen [302]
2 years ago
6

a function f(x) has x intercepts of -3 and -5. what is thr constant term in the function? f(x)= x²+8x+___​

Mathematics
1 answer:
kumpel [21]2 years ago
8 0

Answer:

15

Step-by-step explanation:

(x+3)(x+5)=0

x^2+8x+15=0

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Javiver has $15 to spend On action figures.If it’s bigger cost two dollars what is the greatest number of action figures he can
FinnZ [79.3K]
7.

15/2= 7.5
you cant get 7 and a half action figures so round down to 7
5 0
3 years ago
The following histogram presents the amounts of silver (in parts per million) found in a sample of rocks. One rectangle from the
gladu [14]

Answer:

  • <u><em>The height of the missing rectangle is 0.15</em></u>

Explanation:

The image attached has the mentioned <em>histogram</em>.

Such histogram presents the relative frequencies for the clases [0,1], [1,2],[2,3], [4,5], and [5,6] Silver in ppm.

Only the rectangle for the class [3,4] is missing.

The height of each rectangle is the relative frequency of the corresponding class.

The relative frequencies must add 1, because each relative frequency is calculated dividing the absolute class frequency by the total number in the sample; hence, the sum of all the relative frequencies is equal to the total absolute class frequencies divided by the same number, yielding 1.

In consequence, you can sum all the known relative frequencies and subtract from 1 to get the missing relative frequency, which is the height of the missing rectangle.

<u>1. Sum of the known relative frequencies</u>:

  • 0.2 + 0.3 + 0.15 + 0.1 + 0.1 = 0.85

<u>2. Missing frequency</u>:

  • 1 - 0.85 = 0.15

<u>3. Conclusion</u>:

  • The height of the missing rectangle is 0.15

4 0
3 years ago
Find the sum.<br> 5+ (-7)
vazorg [7]

Answer:

-2

Step-by-step explanation:

5 + (-7)

5 - 7

-2

Please let me know if something's wrong!

5 0
3 years ago
Can I get help on this
qwelly [4]
I dont really know the answer but u can use this app called photomath and it will help
8 0
3 years ago
6.
GrogVix [38]

Answer:

B. y= (4)/(5)x + 2

Step-by-step explanation:

Use the slope-intercept form  

y = m x + b  to find the slope  m  and y-intercept  b .

Slope:  

5

3

y-intercept:  ( 0 , − 2 )

3 0
2 years ago
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