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wariber [46]
3 years ago
9

mario is saving his money in order to buy a new video game, he decides to save $5 of his allowance every week. the equation he w

rites to describe the total amount of money he will save each week is shown below.
Mathematics
1 answer:
amm18123 years ago
7 0
There’s are 7 days in a week and he said he saves $5 dollars so 7x5 is 35. So he gets $35 dollars a week.
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Don’t understand that problem
nata0808 [166]

Answer:

  (2c³ -20c² -10c) -(c² -40c +100)

Step-by-step explanation:

<u>Profit</u>

For a problem involving cost, revenue, and profit, you are expected to know that <em>profit is the difference between revenue and cost</em>. That is, if it costs you $2 to make a necklace you sell for $10, your profit is $10 -2 = $8.

<u>Problem</u>

The problem gives you polynomial expressions for revenue and cost, and asks you to combine them to make an expression for profit. In this first part, we simply show <em>how</em> we will combine them. (We presume a later part of the question will ask you to simplify the result.)

  profit = revenue - cost

Substituting the given expressions, we have ...

  profit = (2c³ -20c² -10c) -(c² -40c +100) . . . . . matches last choice

5 0
3 years ago
What is the value of x?
lilavasa [31]

The little rectangle in the top right means the angle is a right angle which equals 90 degrees.

This also means all the other angles are also 90 degrees.

Solve for x:

2x+8 = 90

Subtract 8 from both sides:

2x = 82

Divide both sides by 2:

x = 82/2

x = 41

3 0
3 years ago
Read 2 more answers
Please help :(<br> if you can please also give a explanation. thanks
aliina [53]

Answer:

x = 20

Step-by-step explanation:

since the triangle is a right angle, that means the angle is 90 degrees

equation:

30 + 3x = 90

subtract 30 on both sides

30 - 30 + 3x = 90 - 30

3x = 60

then divide each side by 3

\frac{3x}{3} = \frac{60}{3}

x = 20

8 0
3 years ago
Elsie and her friends plan to drive 1048 miles during their road trip. How many gallons of gas will they need for this trip?
ElenaW [278]
That would depend on the car and the amount of miles the car can go on one tank of gas. Divide that amount from 1048 to get the answer.
3 0
3 years ago
What integer values satisfy both inequalities? − 2 &lt; x &lt; 3 − 2 ≤ x &lt; 2
NARA [144]

Given:

The inequalities are:

-2

-2\leq x

To find:

The integer values that satisfy both inequalities.

Solution:

We have,

-2

-2\leq x

For -2, the possible integer values are

x=-1,0,1,2          ...(i)

For -2\leq x, the possible integer values are

x=-2,-1,0,1        ...(ii)

The common values of x in (i) and (ii) are

x=-1,0,1

Therefore, the integer values -1, 0 and 1 satisfy both inequalities.

6 0
2 years ago
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