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Diano4ka-milaya [45]
3 years ago
7

The water level of a river is 34 feet and is receding at a rate of 0.5 foot per day. Write an equation that represents the water

level, w, after d days. Identify the slope and y-intercept and describe their meanings. In how many days will the water level be 26 feet? Correct equation: The slope is . The y-intercept is . In days, the water level will be 26 feet.
Mathematics
1 answer:
solong [7]3 years ago
4 0
W= -0.5d+34
The slope is -0.5 as the water I receding by .05 feet per days (d). The y-intercept is 34 as you start with 34 feet of water.

To find how many days it'll take for the water level to reach 26 feet you'll plug 26 in for w in this equation and then solve.

26= -0.5d +34
-8 = -0.5d
Minus 34 from both sides to get the slope alone. (As shown above.) Then divide by -0.5 to get d on it's own as shown below.
16 = d

It should take 16 days for the water to recede from 34 feet to 26 feet. You can plug 16 into the original equation to check your work.

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A running tap dispenses 0.16 gallons of water every second. How many pints of water is dispensed after 25 seconds. Show your wor
Lana71 [14]
Answer:   32 pints 

Explanation:  

.16 x 25 = 4 gallons convert to pints

1 gallon is equal to 8 pints so 4 x 8 = 32 pints



6 0
2 years ago
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If the function rule is y=2x, what is the output when the input is 10
LekaFEV [45]

Answer:

20

Step-by-step explanation:

The input (X) is 10. The output (Y) is 2X Which means 2 times X. So your answer is 2 × 10 which is 20.

8 0
2 years ago
At a ski resort, 1/4 of the 300 skiers are beginners, and 1/4 of the 260 snowboarders are beginners. The resort staff used the d
Evgen [1.6K]

\frac{1}{4}(300 + 260) = \frac{1}{4} \times 300 + \frac{1}{4} \times 260 is the expression that demonstrates the distributive property

<em><u>Solution:</u></em>

Given that,

At a ski resort, \frac{1}{4} of the 300 skiers are beginners

\frac{1}{4} of the 260 snowboarders are beginners

The resort staff used the distributive property to make the calculation of the total number of beginners on the ski slopes

Beginners in skiers = \frac{1}{4} of the 300

Beginners in snowboarders = \frac{1}{4} of the 260

Total number of beginners = Beginners in skiers + Beginners in snowboarders

\text{ Total number of beginners } = \frac{1}{4}(300) + \frac{1}{4}(260)

We have to use distributive property

The distributive property of multiplication states that when a number is multiplied by the sum of two numbers, the first number can be distributed to both of those numbers and multiplied by each of them separately, then adding the two products together for the same result as multiplying the first number by the sum

<h3>a(b + c) = ab + bc</h3>

<em><u>Therefore, our expression is:</u></em>

\frac{1}{4}(300) + \frac{1}{4}(260)

We have to take \frac{1}{4} as common term to get distributive property

\frac{1}{4}(300) + \frac{1}{4}(260) = \frac{1}{4}(300 + 260)\\\\\frac{1}{4} \times 300 + \frac{1}{4} \times 260 = \frac{1}{4}(300 + 260)

Thus distributive property is applied

8 0
2 years ago
Round number to nearest hundred 1,427 as 1,420. 68,136 as 68,130. 271,308 as 271,300. 7,593,656 as 7,594,000 right?
xenn [34]
Normally to round a number to the nearest hundred you want to go to the hundreds column for example:
1427
1...thousand, 4...hundred, 2...tenth, and 7... ones so this one would be 1400
68136=68100 and so on.... hope this helps
3 0
2 years ago
Morgan has $60 to spend on clothes. he wants to buy a pair of jeans for $25 and spend the rest on t shirts each t shirt costs $5
Mashutka [201]

Answer:

C

Step-by-step explanation:

Morgan has $60. That is his spending limit.

He buys a pair of jeans for $25.

Each T-shirt is $5

We don't know how many t-shirts he can buy, so we can represent it with a variable, x

so,

25 + 5x \leq 60\\5x \leq 60 - 25\\5x \leq 35\\x \leq \frac{35}{5} \\x\leq 7

6 0
2 years ago
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