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weeeeeb [17]
2 years ago
5

Solve for the missing number. x + 2½ = 10

Mathematics
2 answers:
Umnica [9.8K]2 years ago
6 0

Answer:

7 1/2 or 15/2

Step-by-step explanation:

hope this helps! :)

Radda [10]2 years ago
3 0
X= 7.5 because you subtract 2.5 from 10 and you get 7.5 which equals X
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12 out of 30 people chose blue as their favourite colour, calculate the angle you would use for blue on a pie chart
Vladimir79 [104]
One way:
\frac{12}{30} x 360  (360 degrees in a circle which is what a pie chart is)
or \frac{2}{5} x 360
which is \frac{2}{5}x \frac{360}{1} = 144⁰ angle


7 0
3 years ago
Read 2 more answers
The sum of three consecutive even numbers is one hundred sixty - two.
Alenkasestr [34]

Answer:

 52

Step-by-step explanation:

Let x represent the smallest of the three numbers. Then the other two are (x+2) and (x+4). Their sum is ...

  x + (x+2) +(x+4) = 162

  3x = 156 . . . . . . . . . . . .subtract 6

  x = 156/3 = 52

The smallest of the three numbers is 52.

___

I like to work problems like this by considering the average number. Here, the average of the three numbers is 162/3 = 54, the middle number of the three. Then the smallest of the three consecutive even numbers is 2 less, or 52.

5 0
2 years ago
F (x) = -4x² + 10x + 13
Alexus [3.1K]

Answer:

f(7) = -113

Step-by-step explanation:

Hello!

Substitute 7 for x in the equation.

<h3>Evaluate</h3>
  • f(x) = -4x² + 10x + 13
  • f(7) = -4(7)² + 10(7) + 13
  • f(7) = -4(49) + 70 + 13
  • f(7) = -196 + 70 + 13
  • f(7) = -113

f(7) is -113.

3 0
1 year ago
A=75(125+81/2) how do you this equation? pls Help!!!
Maru [420]
Closing parenthesis is misplaced. Should be: 
<span>A = h(b₁ + b₂)/2 </span>

<span>h = 75 ft </span>
<span>b₁ = 125 ft </span>
<span>b₂ = 81 ft </span>

<span>Then it's just plug & grind: </span>

<span>A = 75(125 + 81)/2 ft² = 75·206/2 ft² = 75·103 ft² = (7500 + 225) ft² = 7725 ft² </span>

<span>If you follow that, it will guide you through any other, similar p</span>
4 0
2 years ago
Read 2 more answers
What is the taxes on income of 80,000 at 2.5 percents?
Gelneren [198K]
2,000 is your answer here.
<span>80,000 * 0.025= 2,000</span>
3 0
3 years ago
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