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loris [4]
3 years ago
13

Find the value of 42 + 6 ÷ 2.

Mathematics
2 answers:
Vlada [557]3 years ago
5 0
If you do order of operations, you divide 6 and 2 getting 3. Add 42 and 3. 45 is the answer.
makvit [3.9K]3 years ago
4 0

Answer: the answer is 7




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Please help!<br> What is the discriminant D of the equation?<br> a^2-2a+5=0
miskamm [114]
Anybody know? I need this
5 0
3 years ago
The students in Naomi's class sold calendars for a fund-raiser this year and last year. This year, the selling price of each cal
jolli1 [7]
We'll use the variable x to represent last year's price. First, we have to set up an equation:
.06x+x=13.25
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.06x+x=13.25 \\ 1.06x=13.25 \\  \frac{1.06x}{1.06} = \frac{13.25}{1.06} \\ x= 12.50

Last year's price was $12.50. 

Hope this helps!
3 0
4 years ago
What is the graph of the function <br> f(x)=−⌊x⌋
kupik [55]

Answer:

Step-by-step explanation:

The equation being shown in the question is the absolute value of x. Absolute values when graphed show up as a V-shaped graph pointing upwards. This is because whatever value is passed as an input will output a positive, regardless of whether the input is positive or negative. Meaning that both 4 and -4 will output 4. That is why the graph is a V-shaped because the outputs repeat for both positive and negative inputs. In this case since the negative is outside the absolute value brackets the positive value given from the absolute value of the input will be turned into a negative. So this will cause the V-shape graph to be reflected across the x-axis. As seen in the attached picture below.

8 0
3 years ago
Find the LCM (least common multiple) of 25 and 35.<br><br> LCM =
Paladinen [302]
  • <em>Answer:</em>

<em>175</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>25 = 5²</em>

<em>35 = 5×7</em>

<em>Lcm = multiply together each of the prime numbers with the highest power</em>

<em>Lcm(25 ; 35) = 5²×7 = 25×7 = 175</em>

<em>Good luck !</em>

5 0
4 years ago
7. If you run a half marathon (21 km) in 2 hours 6 minutes, how much tirne does it take you to run one kilometre?​
kupik [55]

Answer:

6 minutes per kilometer

Step-by-step explanation:

[] First, let's get one unit. I will be using minutes;

2 hours 6 minutes = 120 mintues + 6 mintues = 126 mintues

[] There are about 21 kilometers in a half-marathon;

126 minutes / 21 kilometers = 6 minutes per kilometer

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

8 0
3 years ago
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