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3 years ago

Help me!!! solve the inequality!! 8 ≤ x < 6

Mathematics

1 answer:

choli [55]3 years ago

4 0

Hello! the answer to this inequality is no solutions, since there are no values of x for which this can be true.

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ahmets sister gives him $2 on monday and promises to double the previous day's amount every day this week. what is the total amo

777dan777 [17]

Answer

$10

Step-by-step explanation:

So the answer is 10 because

count by two starting form Monday to Friday

Let me know if I did something wrong.

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3 years ago

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Which phrase describes the variable expression m + 5?

Vedmedyk [2.9K]

5m or m(5)

Have a nice day :)

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3 years ago

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2k•squared• + 7 - 15<br> factoring ax•squared•+bx+c

Rainbow [258]

Calculate Δ = b^2 -4ac => Δ = 169 => k1 = 3/2; k2 = -5 => 2k^2 + 7k - 15 = 2*(k -3/2)(k+5) = (2k - 3)(k+5);

6 0

4 years ago

Given: x + 2y = -6. Solve for x. Type a numerical answer in the space provided.

Alex Ar [27]

Answer:

x=-2y-6

Step-by-step explanation:

Subtract 2y from both sides, and now you have x=-2y-6.

3 0

3 years ago

An amusement park charges admission plus a fee for each ride. Admission plus four ride cost $22. Admission plus seven ride cost

nignag [31]

Answer:

Admission fee charged = $3

Cost of each ride = $10

Step-by-step explanation:

Let admission fee charged by amusement park in dollars be = $x$

Let cost of each ride in dollars be = $y$

Given:

Admission plus four rides cost $22

If each ride cost in dollars = $y$

Cost of 4 rides in dollars will be = $4y$

So, the total cost in dollars will be given as = $x+4y$

So, we have

$x+4y=22$

Admission plus seven ride cost $31.

If each ride cost in dollars = $y$

Cost of 7 rides in dollars will be = $7y$

So, the total cost in dollars will be given as = $x+7y$

So, we have

$x+7y=31$

So, we have the system of equation as:

A) $x+4y=22$

B) $x+7y=31$

Solving the system by elimination method.

Eliminating $x$ by subtracting equation A from B.

$x+7y=31$

- $x+4y=22$

- - - [Sign of each term of subtract-ant gets reversed]

-----------------------------

$3y=9$

Dividing both sides by 3.

$\frac{3y}{3}=\frac{9}{3}$

∴ $y=3$

Plugging in $y=3$ in equation A.

$x+4(3)=22$

$x+12=22$

Subtracting both sides by 12.

$x+12-12=22-12$

∴ $x=10$

Thus, admission fee charged = $3

Cost of each ride = $10

4 0

3 years ago