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maxonik [38]
4 years ago
11

Evaluate 5c+cd when c =15 and d = 15

Mathematics
2 answers:
kirill [66]4 years ago
5 0
5(15)+(15)(15)=75+225
=300
Luba_88 [7]4 years ago
4 0
<h3>Hey there! </h3><h3 /><h3><em>If c = 15 and d = 15 substitute them in the replacements for c and d </em></h3><h3 />
  • <u>New equation:</u>
  1. <em><u>5(15) + 15(15) =</u></em>
<h3 /><h3 />
  1. <em><u>5(15) + 15(15) </u></em>
  2. <em><u>5(15) + 15(15) 5(15) = 75</u></em>
  3. <em><u>5(15) + 15(15) 5(15) = 7515(15) = 225 </u></em>

  • <u>New equation</u>:
  1. <em><u>75 + 225 = </u></em>
  2. <em><u>75 + 225 = 75 + 225 = 300</u></em>
<h3 /><h2 /><h2><em><u>Answer: 300 ✅</u></em></h2><h3 /><h3>Good luck on your assignment and enjoy your day! </h3><h3 /><h3>~LoveYourselfFirst:)</h3>
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350kg of plastic is moulded to make garden pots weighing 1 whole 2/5 kg each. How many pots are made?​
slega [8]

The number of pots made are 250

The number of pots that can be made can be determined by dividing the total weight of the plastic by the weight of pots made

Number of pots made = Weight of plastic / weight of pot made

350 ÷ 1\frac{2}{5}

Convert the mixed fraction to an improper fraction

350 ÷ \frac{7}{5}

350 x \frac{5}{7} = 250 pots

A similar question was solved here: brainly.com/question/13939628?referrer=searchResults

4 0
3 years ago
In a fitness program, Pedro does 20 sit-ups on the first day, and increases this by 2 sit-ups everyday. Determine the day when t
Fittoniya [83]

Answer:

day 540

Step-by-step explanation:

He increases his number of situps by 2 each day meaning on day 1 he'd do 2 extra, on day 2 he'd do 4 extra, on day he'd do 6 extra etc. We can show this by saying +2x where x is the day he is on.  Then since he started with 20 we have to add 20 so it would be 20+2x.  We want to know what day it is when he does 1100 situps so we can set our equation equal to 1100 and solve for X which is the day it would be.

20+2x=1100

2x=1080

I hope this helps and please don't hesitate to ask if there is anything still unclear!

x=540

5 0
3 years ago
Graph the following piecewise function.
atroni [7]

Answer:

The graph of this piece-wise function is attached below.

Step-by-step explanation:

Given the function

{\displaystyle f(x)={\begin{cases}x^{2} +2&{\text{if }}-5\leq x

  • A piece-wise function is a function which has multiple pieces.
  • Each of the pieces have their own restrictions.
  • The domain of a function is the set of input, or x, values for which the function is defined.
  • The range is the set of all values taken by the function

As the piece

f(x)=x^{2} +2 has the domain [-5, 3) and graph of this piece is attached below.

and

f(x)=x-4 has the domain [3, 7) and graph of this piece is attached below.

So, the domain of the piece-wise function can be composed as [-5, 3) U [3, 7) and range has the interval \:\left[-1,\:27\right].

i.e.

Domain: [-5, 3) U [3, 7)

Range: \:\left[-1,\:27\right]

The graph of this piece-wise function is attached below.

<em>Keywords: piece-wise function, domain, range</em>

<em>Learn more about piece-wise function from brainly.com/question/12687437</em>

<em>#learnwithBrainly</em>

3 0
4 years ago
Elisabeth took 13 minutes less than twice as long as Heather to solve the puzzle. If their total time together was 23 minutes, w
Ad libitum [116K]
Elisabeth would have took less time
4 0
4 years ago
Write an equation to match each graph:<br><br><br> pls send help!
BartSMP [9]

Answer:

f(x) = |x|

Step-by-step explanation:

The graph shows that only positive y-values are used, which means y is the absolute value of x.

If this answer is correct, please make me Brainliest!

7 0
4 years ago
Read 2 more answers
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