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Svetllana [295]
3 years ago
12

The marked price of a cellphone is $140 after a markup of 25%. Calculate i.) the cost price for this phone. [2]

Mathematics
1 answer:
kicyunya [14]3 years ago
8 0
25/100 * 140= 35
140+35= $175
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Solve for each unknown variable, #67
mel-nik [20]
3x +10= 2x + 34

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3 0
3 years ago
Can someone help me with this plz
galina1969 [7]
Let's use a simple way. SPOE, APOE, DPOE, MPOE.

First, isolate the variable.

x5 + 3 = 2
     -3     -3
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Answer to 5 divided by -1: -5.


A is the answer. (I'm pretty sure.)
If you need further help on steps, feel free to ask by replying.

~Realistic
4 0
3 years ago
I’ll mark Brainliest if correct ||question: which of the following shows the correct evaluation for the expression (2/5)^5
Nitella [24]

The 1st one

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4 0
3 years ago
Read 2 more answers
What is the solution of the system of equations <br> y =2x - 3
kherson [118]

Answer:

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Step-by-step explanation:

4x-3y=31

-3y=-4x+31 regroup it to match the other

-2 y=(2x-3)(-2) multiply by -2 to get -4x

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7 0
3 years ago
A 4.5 kg cat requires medication at a dose rate of 5 mg/kg once daily for the next 7 days. The tablets are available in 10 mg st
Marta_Voda [28]

Answer:

<u>Approximately 16 tablets of medicine</u>

Step-by-step explanation:

Based on the information above , we can use a <u>Rule of Three</u> to first figure out how many mg the cat would need to ingest per day.

\frac{5mg}{1kg} = \frac{x}{4.5kg}

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Now we see that the cat needs to take a daily dose of 22.5mg. Since the Tablets come at a strength of 10 mg per tablet then,

22.5 / 10 = 2.25

The cat would need to take 2.25 tablets per day. Since she needs to take the dose for the next 7 days then,

2.25 * 7 = 15.75

She would need to take<u> approximately 16 tablets of medicine</u> during the week .

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

5 0
3 years ago
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