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RideAnS [48]
4 years ago
14

Y = f(x) = 2x Find f(x) when x = 1. Enter the correct answer.

Mathematics
2 answers:
madreJ [45]4 years ago
7 0

Answer:

F(X) is 2

Step-by-step explanation:

X=1 so 2 times X is 2so F(X) is 2

3241004551 [841]4 years ago
4 0

Answer:

2

Step-by-step explanation:

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Abby earns $7 per hour working as a cashier at a cafe.
ANTONII [103]

Answer:

1. So $7 per hour

For 24 hour =7×24= $168

28-24=4

4×7=28

168+28=$196

or

For 28 hour

7×28

= $196

2. 7×112

=$784

3. To find the difference subtract

784-196=$588

8 0
3 years ago
Which of the following is an equation of a line that is parallel to y = 4 x + 9 ? (Choose all correct equations.)
babymother [125]

Answer:

The second, third and fourth are parallel to the given equation

Step-by-step explanation:

In order to determine if the slopes are the same, put all of the equations in slope-intercept form:  y = mx + b.  In order for lines in this form to be parallel, the m values of each have to be the exact same number, in our case, 4.  Equation 2 has a 4 in the m position, just like the given, so that one is easy.  Equation 2 is parallel.

Let's solve the third equation for y:

12x - 3y = 6 so

-3y = -12x + 6 and

y = 4x - 2.  Equation 3 is parallel since there is a 4 in the m position.

Let's solve the fourth equation for y:

-20x + 5y = 45 so

5y = 20x + 45 and

y = 4x + 9.  Equation 4 is also parallel since there is a 4 in the m position.

6 0
4 years ago
The coordinates of the endpoints of the diameter of a circle are (-1,5) and (3, -1). The center of the circle has coordinates
Setler79 [48]

Answer:

ans=(-2,2)

Step-by-step explanation:

let the end point of circle diameter (-1,5) and (3,-1) be (x1,y1) and (x2,y2) respectively

using mid point formula

(x,y)=(-1,5)/2+(-3,-1)/2  [center point is equal to mid point of  diameter)

       =  (-1+(-3))/2+(5-1)/2

       =(-2,2)

center coordinate of circle=(-2,2)

3 0
3 years ago
Read 2 more answers
Does anyone understand geometry well?
sp2606 [1]

Answer:

I mean sure i guess

Step-by-step explanation:

How can i help?

8 0
3 years ago
Draw a quadrilateral ABCD with AB = 8.5cm, BC =4.5cm, CD =5cm , DA = 6cm , BD =7.5cm. Draw an equal area Triangle​
irina1246 [14]

Answer:

Check below please

Step-by-step explanation:

A quadrilateral is a polygon with four sides.

Then let's plot it, check it below.

1) Since 5 line segments were given for a quadrilateral, one of them is an interior one. In this quadrilateral, a rhombus. We have a diagonal, id est a line segment between non-consecutive points.

2) Let's calculate the area of this rhombus. Since this polygon is made up of two triangles let's find it using Heron's Formula, not very popular. But equally valid, also we don't have the height nor angles.

All we need is the semi-perimeter, (half of the Perimeter (2P) and plug it in the formula:

\bigtriangleup ABD semi-perimeter:\frac{6+8.5+7.5}{2} \therefore s=11\\Area \:\bigtriangleup ABD=\sqrt{11(11-6)(11-8.5)(11-7.5)}=\frac{5\sqrt{77}}{2} \approx21.94 cm\\\\\bigtriangleup \:BCD\: semi-perimeter:\frac{4.5+5+7.5}{2}  \therefore s=8.5\\\\Area \bigtriangleup BCD=\sqrt{8.5(8.5-4.5)(8.5-5)(8.5-7.5)}=\sqrt{119}\approx 10.90

Area\: of\: Rhombus\: ABCD=21.94+10.90=32.84 cm^2

3) Well, now we need to trace a triangle whose area is 32.84 cm^2. From the classical formula for Area of Triangles we can write:

\frac{b*h}{2}=32.84 \therefore b*h=65.68

Let's find out two values one for the base and another for height. Since 65.58 can be divided both by two and three, it is divisible by 6.

So

65.58  : 6 =10.93\\b=6\\h=10.93

5 0
3 years ago
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