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BaLLatris [955]
4 years ago
13

Evaluate the function for x=3; f(x)= -2x+10 please show your work

Mathematics
2 answers:
Tems11 [23]4 years ago
6 0
For x = 3, we plug in 3 every time it says x.

f(3)=-2*3+10=-6+10=4
iren [92.7K]4 years ago
3 0
-2x+10
plug in x=3
-2(3)+10
-6+10
4

The answer is 4

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6 soccer balls for $150
eduard

the cost of one soccer ball is 150/6 or 25 dollars.

4 0
3 years ago
Read 2 more answers
Which of the following is a line segment in the drawing that connects two parallel lines?
charle [14.2K]

Answer:

line segment BE

Step-by-step explanation:

Parallel lines are lines that never cross.  In this case, the two parallel lines are AC and DF.  A line segment is part of a line that has a point at either end.  The only segment which crosses lines AC and DF is segment BE.  

Also, if you look at the answer choices, the first two indicate a line ↔ above the letters, which represents a line that doesn't end, while the other two choices just have a line to indicate a segment.  

8 0
3 years ago
Find the area of the trapezoid. points are (-5,-3)(4,-3)(6,-7)(-7,-7)​
Olegator [25]

Answer:

44 square units

Step-by-step explanation:

The area of a trapezoid with bases b₁ and b₂ and height h is given by the formula

A=\left(\dfrac{b_1+b_2}{2}\right)h

If you're wondering how we get this formula, check the attached illustration (remember the area of a parallelogram is its base multiplied by its height)! Moving on to our trapezoid, the pairs of points (-5,-3)(4,-3) and (6,-7)(-7,-7) form two horizontal segments, which form b₁ and b₂, and our height is the distance between the y-coordinates -3 and -7, which is 4. We can find b₁ and b₂ by finding the distance between the x coordinates in their pairs of points:

b_1=|-5-4|=|-9|=9\\b_2=|6-(-7)|=|6+7|=13

Putting it altogether:

A=\left(\dfrac{9+13}{2}\right)(4)=\left(\dfrac{22}{2}\right)(4)=(11)(4)=44

So the area of our trapezoid is 44.

4 0
3 years ago
What is the equation for the acid ionization constant of HClO2?
jarptica [38.1K]
<span>[H+] x [(CIO2)-]/[HCIO2]</span>
6 0
3 years ago
Find the value of y. images attached.
telo118 [61]

Answer:

<h3>The answer is option D</h3>

Step-by-step explanation:

Since it's a right angled triangle we can use trigonometric ratios to find the value of y

To find the value of y we use tan

\tan(28)  =  \frac{y}{35}  \\ y = 35 \tan(28)  \\ y = 18.6098301...

We have the final answer as

<h3>18.61</h3>

Hope this is helps you

5 0
3 years ago
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