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AleksandrR [38]
3 years ago
9

Solve the Inequality.-9-3x > 2(25 + 2x) + 4The solution is​

Mathematics
1 answer:
Kamila [148]3 years ago
4 0

Answer:

x=-9

Step-by-step explanation:

You first multiple 2 and 25 and 2 and 2x. Then the next line should be -9-3x>50+4x+4. After that you add 50 and

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F(x)=x^-2x+4 find f(-1)
otez555 [7]
Hello,

f(x)=x^{-2}+4\\

f(-1)=(-1)^{-2}+4= \dfrac{1}{(-1)^2} +4=1+4=5\\

7 0
3 years ago
For the problem -4(-5)(9), will the answer be positive or negative?
Scorpion4ik [409]

Answer:

Positive

Step-by-step explanation:

-4(-5)(9)

Negative cancels out negative, so it makes a positive:

20(9)

Simplify normally to get 180 as your final answer.

8 0
2 years ago
What is the "k" value of the following function? Is it 3, -2, -3, or 2?
snow_tiger [21]

Answer:

-3

Step-by-step explanation:

we khow that the vertex form of a function is written this way :

f(x)=a(x-h)²+k

  • the coordinates of the vertex are (h,k) so from the graph we can deduce that k = -3

5 0
3 years ago
Elena received a $30 gift for her birthday. She plans to use it to buy one or more books. Elena will have to pay 8% sales tax on
11111nata11111 [884]

The cost of book has to be less than or equal to 26.39.

The amount of money Elena can buy has to be less than or equal to $30. Thus, the inequality sign to be used is the less than or equal to sign.

(1 + tax)cost of books + cost of bus fare ≤ value of the gift

1.08c + 1.5 ≤ 30

In order to determine the maximum cost of books, take the following steps:

Combine similar terms

1.08c  ≤ 30 - 1.5

Add similar terms together

1.08c  ≤ 28.50

Divide both sides of the equation by 1.08

c  ≤ 28.50 / 1.08

c  ≤ 26.39

To learn more about taxes, please check: brainly.com/question/25311567

3 0
2 years ago
The quotient of a number x and -1.5 = 21
Lapatulllka [165]

Should be... x ÷ -1.5 = 21

4 0
3 years ago
Read 2 more answers
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