Only C please:)
Thanks

To find the equation of a perpendicular line, you first need to find the negative reciprocal of the slope given. The slope is -1/3, so the slope of the perpendicular line will be 3

Now we just need to find the y intercept using the point (3, 2) and you can plug the coordinates in and then solve for b. Let's see what that looks like.

y=3x+b

2=3*(3)+b

2=9+b

-7=b  So now we know the y-intercept and slope. We just put them together now

y=3x-7

Answer:

No

Step-by-step explanation:

No because the measure of two sides are always greater than the third side

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Answer:

Sarah: £15

Fiona: £15

David: £10

Step-by-step explanation:

3 + 3 + 2 = 8

40 ÷ 8 = 5

3 × 5 = 15

3 × 5 = 15

2 × 5 = 10

Answer:

D) infinite real solutions

Step-by-step explanation:

-6(5x+10) = -3(10x+20)

-30x-60 = -30x-60

simplifying:

x=x

Answer:

A) Cube

Explanation:

Quadrilateral just means "four sides"

Examples: square, rhombus, parallelogram, rectangle.

Hope that helps

Step-by-step explanation:

area of square= a^2

[tex]90 = {a}^{2} \\ a = \sqrt{90} \\ a = 9.48683298 \\ a= 9.5[/tex]

Answer:

$60.

Step-by-step explanation:

Cost price=  $50

Selling price = $80

Percentage markup = Gain/Cost price x   100%

=30/50x100

=$60.

Answer:

8 and 5/8 miles

Step-by-step explanation:

Answer:

x = 0 and 5

Step-by-step explanation:

4x^2 - 20x = 0

Factor 4x

4x(x - 5) = 0

4x = 0 = > x = 0

x- 5 = 0 = > x = 5

Answer: 1.29n + 0.79w + 3.39b  is the expression.

The total cost is $12.91

Step-by-step explanation:  Substitute the number of pounds for each given supply. Multiply to get the individual amounts, then add all of those amounts to find the total cost.

1.29(2) + 0.79(4) + 2.39(3) = total

2.58 + 3.16 + 7.17 = 12.91

Answer:

1.29n + 0.79w + 2.39b

1.29(2) + 0.79(4) + 2.39(3) =

2.58 + 3.16 + 7.17 = $12.91

Step-by-step explanation:

Answer: 2005

Step-by-step explanation:

Exponential function to determine the value of item after t years,

[tex]f(x)=A(1+r)^t[/tex] , where r= rate of growth, A=Initial value.

As per given , A = 7.85% = 0.0785

A = $125,000

Substitute all values in function, we get

[tex]f(x)=125000(1+0.785)^t[/tex]

When f(x)= 3A , then

[tex]3A=A(1.0785)^t\\\\\Rightarrow\ 3=(1.0785)^t[/tex]

Taking tog on both sides , we get

[tex]\ln 3=t\ln 1.0785\\\\\Rightarrow\ t=\dfrac{\ln 3}{\ln 1.0785}\\\\\Rightarrow t=\dfrac{1.09861228867}{0.0755711868471}\approx15[/tex]

The year will be 1990+15= 2005

Hence, the required year = 2005

Answer:

D) The circle is centred at (-8,3) and has a diameter 20

Step-by-step explanation:

Explanation:-

Given that the circle

        ( x + 8)² +( y-3)² = 100

   ⇒ ( x + 8)² +( y-3)² = 10²

Standard form of the circle ( x-h)² +(y-k)² = r²

Centre of the circle (h , k) = (-8 , 3)

Radius of the circle  r = 10

Diameter of the circle 'd' = 2r = 2(10) =20

Final answer:-

The circle is centred at (-8,3) and has a diameter 20

Answer:

The circle is centered at (−8, 3) and has a diameter of 20.

Step-by-step explanation:

Hope this helps :)

Answer:

the picture wont show up for me sry

Step-by-step explanation:

Answer:

148 books

Step-by-step explanation:

Answer:

148 books all together

Answer:

You will use [tex]\frac{1}{4}[/tex] cup of sugar.

Step-by-step explanation:

Given that:

A recipe calls for 3/4 cup of sugar and 1/2 cup of brown sugar.

Ratio of sugar to brown sugar = 3/4 : 1/2

Amount of brown sugar used = 1/6

Amount of sugar used = x

Ratio of sugar to brown sugar = x : 1/6

As the relationship is proportional;

[tex]\frac{3}{4}:\frac{1}{2}::x:\frac{1}{6}[/tex]

Product of mean = Product of extreme

[tex]\frac{1}{2}x=\frac{3}{4}*\frac{1}{6}\\\\\frac{1}{2}x = \frac{1}{8}\\\\x = \frac{1}{8}*2\\\\x=\frac{1}{4}[/tex]

Hence,

You will use [tex]\frac{1}{4}[/tex] cup of sugar.

Answer: D. {(0, - 4), (1, - 4), (2, 4), (3, 4), (4, - 4)}

Step-by-step explanation:

In (x,y)  , x= Input value , y= output value.

A. {(-1, - 4), (-1,0), (- 1,5), (- 1, 7), (-1,9)}

Here, -1 has two output values -4 and 0.

So it is not a function.

B. (-2, - 4), (-1,7), (1, - 1), (1, 1), (3,9)}

Here, 1 has two output values -1 and 1.

So it is not a function.

C. {(-4,9), (- 3, 1), (- 2, 3), (- 2, 12), (0, 6) }

Here, -2 has two output values 3 and 12.

So it is not a function.

D. {(0, - 4), (1, - 4), (2, 4), (3, 4), (4, - 4)}

here, each input value has an unique output value.

Hence, D. option is correct.

Answer:

x+11/x+9

Step-by-step explanation:

Just Cancel the common factor of x-4

16 for the first one

25.2 for the second one

48 times every 90 secnds for the 3rd one

12 for the 4th one

18 for the 5th one

.57 for the last one

Answer:

A = 216in^2

hope it's helpful ❤❤❤❤❤

THANK YOU.

Answer:

someone answer this pls

Step-by-step explanation:

Answer:

572

Step-by-step explanation:

12% of 650 is 78

650 - 78 = 572

Answer:

$252.5

Step-by-step explanation:

45(4.5)+50

202.5+50

=252.5

Answer:

4/14 is equivalent

Step-by-step explanation:

If you multiply 7 and 2 you will get 14

So since you multiply by 2 for the denominator you will have to do the same to the numerator

Answer:

True

Step-by-step explanation:

Four-sided polygons are usually referred to as quadrilaterals, quadrangles or sometimes tetragons. In geometry the term quadrilateral is commonly used.

Answer: True

Step-by-step explanation: :D

Answer:

I'm pretty sure the answer is $43

Answer:

105 degerees

Step-by-step explanation:

Answer:

D) 60°

Step-by-step explanation:

360-40-105-155=60°