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2 years ago

Find the slope of the line that passes through G(−3, 2) and H(7, 2).

Mathematics

2 answers:

Svetllana [295]2 years ago

7 0

Answer:

y=0x+2 meaning the slope is equal to 0

Step-by-step explanation:

If you think about this question you'll see that our two points have the same y coordinate

This means that the slope is equal to 0

so we have

y=0x+b

If we plug in -3 for x and set the equation equal to 2 we can find b

0+b=2

b=2

so we have

0x+b=y

Hope this helps!

Doss [256]2 years ago

7 0

Slope = (y2-y1) / (x2-x1)
G(-3,2) = (x1,y1)
H(7,2) = (x2,y2)
Substitute these values to find the slope.
Slope = (2-2)/(7-(-3)) = 0/10 = 0

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Carly got her haircut for $45.60 she wants to tip her hair dresser 15% what is her total paid?

egoroff_w [7]

Answer:

$52.44

Step-by-step explanation:

Long method:

1. Convert the percentage into a decimal (15/100 = 0.15)

2. Multiply the decimal by the cost of the haircut (0.15 x $45.60 = $6.84)

3. Add this product by the cost of the haircut ($6.84 + $45.60 = $52.44)

Quicker Way (easier w/ a calculator)

1. Add 100% to the percentage she wants to add (100% + 15% = 115%) You can also express this as a number (115/100 = 1.15)

2. Multiply this new percentage by the cost of the haircut (1.15 x $45.60 = 52.44)

In a single equation, it would be

$\frac{115}{100} \times 45.60 = 52.44$

5 0

3 years ago

15. John works for the local used car dealership. His weekly salary is $375 plus a commission based on the number of cars that h

ratelena [41]

Answer:

S = 935 when t ≤ 7

S = (180t - 325) when t > 7

Step-by-step explanation:

John's weekly salary = $375 + commission on number of cars he sell

Commission for the first seven cars sold = $80 per car

Commission above 7 cars = $180 per car

If John sells t cars each week then commission earned by John

= 80×7 + 180(t - 7)

So the salary for week = 375 + commission

S = 375 + 560 + 180(t - 7)

S = 935 + 180(t - 7)

S = 935 when t ≤ 7

(180t - 325) when t > 7

3 0

4 years ago

Determine the intercepts of the line. y = -2x-21 X-intercept: y-intercept:

vfiekz [6]

Ummm eeee i dont knowwwe

4 0

3 years ago

The graph shows how many cans of each type of cat food were sold one day. (View picture)

sleet_krkn [62]

It's very easy!
.
First of all, add up all the amounts of all can flavors.
.
What do you think it approximates to?
.
I'd say 245.
.
Now, how much is 30 out of 245?
.
Around 24%.
.
So, what's 245/100? (100 because it is default maximum percentage number)
.
2.45.
.
24 divided by 2.45?
.
Around 9%.
.
Your best guess is 10% or D.

3 0

3 years ago

the diameter of a cylinder is 14cm.the height of the cylinder is 9cm. calculate the Volume and curved surface area

kicyunya [14]

Answer:

The volume is 1386 cm³ and curved surface area is 396 cm².

Step-by-step explanation:

Given that,

The diameter of a cylinder is 14 cm

Height of the cylinder is 9 cm

We need to find the volume and curved surface area .

If r is the radius, r = 14/2 = 7 cm

Volume of a cylinder is given by :

$V=\pi r^2 h\\\\V=\dfrac{22}{7}\times (7)^2 \times 9\\\\V=1386\ \text{cm}^3$

The curved surface area of the cylinder is given by :

$A=2\pi r h\\\\A=2\times \dfrac{22}{7}\times 7\times 9\\\\A=396\ \text{cm}^2$

So, the volume is 1386 cm³ and curved surface area is 396 cm².

3 0

3 years ago