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ivanzaharov [21]
3 years ago
5

Fill in each blank so that the resulting statement is true. The linear inequality -3x-4>5 can be solved by first​ _______ to

both sides then​ _______ both sides by​ _______, which changes the​ _______ of the inequality symbol from​ _______ to​ _______.
Mathematics
1 answer:
Bogdan [553]3 years ago
4 0

Answer:

the first step is to adding 4 to both sides with you will get 9. then you will dived 9 by -3 with is -3. Witch changes the symbol from grater then to equal to.

Step-by-step explanation:

hope this helps.

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1. While solutions to the general quintic equation in terms of radicals are impossible to obtain, they do exist. Prove that the
Marta_Voda [28]

Answer:

Step-by-step explanation:

Given is a function as x^5-3x+1

Equating to 0 we have equation

If the function f(x) has x intercepts then the solutions are real

Let us use remainder theorem and change of signs rule

f(0) = 1>0

f(-1) = -1+3+1=3

f(-2) = -32+6+1<0

This implies there is a real root between -1 and -2.

f(1) = -1

Since f(0) and f(1) have different signs, there exists a real root between 0 and 1.

f(2) = 32-6+1>0

Since f(1) and f(2) have different signs there exists a real root between 1 and 2.

Thus there are definitely three real solutions as

one between -1 and 0, one between 0 and 1, and third between 1 and 2.

3 0
3 years ago
Read 2 more answers
There are 32 student,nine of those are women,what percent are men,round to the nearest tenth?
12345 [234]
First you have to find out how many guys you have-1.) 32-9=23, then you divide the number of men by the number of students-2.) 23÷32=0.718, so the answer is 0.7
8 0
3 years ago
Determine whether the triangles are similar. If so, write a similarity statement and name the postulate or the theorem you used.
zalisa [80]
They are similar by the SSS postulate<span />
3 0
3 years ago
Variable
umka2103 [35]

Answer:

true for number 1  and for number 2 It is not thats the wrong answer the real answer is 13 because 10 11 12 13

Step-by-step explanation:

7 0
3 years ago
After 3 minutes, a submarine had descended to −320 feet. After 8 minutes, the submarine had descended to −420 feet. Assuming a l
Alenkasestr [34]

Answer:

  d(t) = -20t -260

Step-by-step explanation:

We are given two points ...

  (t, d) = (3, -320) and (8, -420)

The 2-point form of the equation of a line can be useful when 2 points are given.

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1

Substituting the given points, we have ...

  d(t) = (-420 -(-320))/(8 -3)(t -3) -320

  d(t) = -20(t -3) -320

  d(t) = -20t -260

5 0
3 years ago
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