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lina2011 [118]
3 years ago
7

10 points

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
3 0

Answer:

Here we have two inequalities.

P is price of the gallon,we have that:

$2.40 ≤ P ≤ $2.65

C is the amount of gallons that Ricardo buys each week.

8,5 ≤ C ≤ 11

Now, with this you can find the maximum and minimum amount that he can spend on a week.

The minimum is when he buys only 8.5 gallons and the price per gallon is $2.40

Cost = 8.5*$2.40 = $20.4

The maximum cost is when he buys 11 gallons, and the price of the gallon is $2.65

Cost = 11*$2.65 = $29.15

So the amount that he spends per week in gas, S, is:

$20.4 ≤ S ≤  $29.15

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fran reads 54 pages per hour. if she reads a total of 257 pages one weekend , how many hours to the nearest hundredth does she r
natka813 [3]
You basically just have to do . . .

257/54
4.759 . . .
≈ 4.76 hours

Answer: 4.76 hours
4 0
2 years ago
Read 2 more answers
Need help , use pics ^
Rashid [163]

Answer:

Step-by-step explanation:

Are there any other pictures of the actual problem?

This is proabbaly a transformation problem

8 0
3 years ago
Solve the equation.<br> \qquad r - 14 = 23r−14=23
Nesterboy [21]

Answer: r=37

Step-by-step explanation:

For this exercise it is important to remember that:

1. The Addition property of equality states that:

If a=b, then a+c=b+c

2. The Subtraction property of equality states the following:

If a=b, then a-c=b-c

3. The Division property of equality states that:

If a=b, then \frac{a}{c}=\frac{b}{c}

4. The Multiplication property of equality states the following:

If a=b, then a*c=b*c

 Then, having the following equation given in the exercise:

r-14=23

You need to solve for the variable "r" in order to find its value.

In order to solve for "r", you must apply the Addition property of equality   adding 14 to both sides of the equation.

Therefore, you get the following solution:

r-14+(14)=23+(14)\\\\r=37

8 0
3 years ago
PLEASE HELP!! WILL MARK BRAINLIEST AND THANK YOU!!! IM DESPERATE!!
serious [3.7K]

Answer:

<h2>693 m²</h2>

Step-by-step explanation:

This is a parallelogram.

The formula of an area of a parallelogram:

A=bh

<em>b</em><em> - base</em>

<em>h</em><em> - height</em>

From the graph we have <em>b = 21m</em> and <em>h = 33m</em>.

Substitute:

A=(21)(33)=693\ m^3

3 0
3 years ago
Last week, Matt spent twice as much on bus fare as he did on lunch, and 3 dollars less on entertainment than he did on bus fare.
3241004551 [841]

Answer:

The expression in term of x

The amount of money spent on bus fare = $2 x

The amount of money spent on entertainment =  $(2 x - 3)

Step-by-step explanation:

Given statement as :

Matt spent twice as much on bus fare as he did on lunch

Matt spent $3 less on entertainment than on bus fare

Let The Amount of money spend on lunch = $x

<u>Now, According to question</u>

The amount of money spent on bus fare = twice as he spent on lunch

i.e The amount of money spent on bus fare = 2 × $x

∴ The amount of money spent on bus fare = $2 x

<u>Again</u>

The amount of money spent on entertainment = The amount on bus fare - $3

I.e The amount of money spent on entertainment =  $2 x - $3

∴The amount of money spent on entertainment =  $(2 x - 3)

Hence, The expression in term of x

The amount of money spent on bus fare = $2 x

The amount of money spent on entertainment =  $(2 x - 3)

Answer

5 0
3 years ago
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