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Rainbow [258]
2 years ago
12

8x - 5 - 6 - 7 Can someone solve this

Mathematics
2 answers:
quester [9]2 years ago
8 0

Answer:

8x-18

Step-by-step explanation:

8x-5-6-7

8x-18

Iteru [2.4K]2 years ago
4 0

Answer:

8x-18

Step-by-step explanation:

ggv dcbbccc. bvvccv. vccbv. vvvvv

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Three roots of a fifth degree polynomial function f(x) are -2,2 and 4 + i which statement describes the number and nature of all
liubo4ka [24]

Answer:

f(x) has three real roots and two imaginary roots.

Step-by-step explanation:

Given that three roots of a fifth degree polynomial function f(x) are -2,2 and (4+i).

Now we need to find about which of the given statements describes the number and nature of all roots for this function.

We know that imaginary roots always occur in conjugate pairs.

So if (4+i) is root then (4-i) must also be the root.

So now we have total 4 roots

-2, 2, (4+i) and (4-i).

Degree of the polynomial is 5 so that means 1 root is still remaining. It can't be imaginary as that must be in pairs

So that means 5th root is real.

Hence correct choice is :

f(x) has three real roots and two imaginary roots.

4 0
3 years ago
Is it true that the order when dividing 3 real numbers does not affect the answer
Jobisdone [24]


No, it is not true

Lets do an example:

4 divided by 2 divided by 1 equals 2, while 2 divided by 1 divided by 4 equals 0.5

8 0
3 years ago
What's the answer to this problem
Artyom0805 [142]
So you have to subtract 115 from 15. Then you divide that number by 5 for each relative. That should give you your answer....$20
4 0
3 years ago
Help ASAP ! I’ll mark as brainlist
mixas84 [53]

Answer:

1031 Meters

Step-by-step explanation:

You would use the Pythagorean Theorem to solve it which would be a^2 + b^2 = c^2 and a would be 800 and b would be 650 in this circumstance you would try to find C which would be glenn blvd.

3 0
2 years ago
Read 2 more answers
Find the average value of the function f(x)=−4sin(x) on the interval [π2,3π2] and determine a number c in this interval for whic
Ber [7]

Answer:

Step-by-step explanation:

The average value theorem sets:

if f (x) is continuous in [a, b] and derivable in (a, b) there is a c Є (a, b) such that

\frac{f(b)-f(a)}{b-a}=f'(c) , where

f(a)=f(π/2)=-4*sin(π/2) = -4*1= -4

f(b)=(3π/2)=-4*sin(3π/2) = -4*-1 = 4

\frac{4-(-4)}{(3\pi/2)-(\pi/2)}=f'(c)

\frac{8}{\pi }=f'(c)

f'(x)=-4cos(x) ⇒

f'(c)=-4cos(c)=\frac{8}{\pi }\\c=acos(\frac{-2}{\pi })\\

c≅130

8 0
3 years ago
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