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3 years ago

Original price is $50, discount is 15%, what is the sale price?

Mathematics

2 answers:

Tamiku [17]3 years ago

8 0

Answer:

$42.50

Step-by-step explanation:

SashulF [63]3 years ago

3 0

Answer: 42.50

Step-by-step explanation: sale price is the price at which something sells or is sold at after its price has been reduced

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What is the length of AB?

Tresset [83]

Answer:

angle B'CA'= angle BCA..... (common angle)

angle B'A'C = angle BAC.....(corresponding angels)

therefore,

ΔCB'A' ~ ΔCBA. ......(by A-A test of similarity)

therefore,

B'A'/ BA. = CA'/ CA....(congruent sides of congruent triangles)

now, B'A' = 5, CA'= 6 , CA = 6 + 3 = 9

5 / BA. = 6 / 9

therefore, 5 / BA. = 2 / 3

$ba \: = \frac{5 \times 3}{2 } \\ = \frac{15}{2} \\ = 7.5$

Answer : AB = 7.5 units

8 0

3 years ago

Round your answer to the nearest tenth if necessary. Use 3.14 for .

harina [27]

Answer:

$\boxed{\rm \: Volume_{(Drum)} = 5024 \: in {}^{3} }$

Step-by-step explanation:

Given :

Diameter of a drum = 20 inches
Deep ( height ) of the drum = 16 inches
π = 3.14

To Find:

The volume of the drum.

Solution:

We all know that drum is cylindrical.So we'll use the formulae of the volume of cylinder,to find its volume.

$\boxed{\rm \: Volume_{(Cylinder)} = \pi{r} {}^{2} h}$

Where,

r = radius
h = height (deep)
π = 3.14

The value of radius ain't given,but the diameter is given.We can use the formulae of radius.

$\rm \: Radius = D/2$

D = diameter

Substitute the value of diameter:

$\rm \: Radius = \cfrac{20}{2} = 10$

Hence,the radius is 10.

So we could now use the formulae of the volume of cylinder:

$\rm \: Volume_{(Cylinder)} = \pi{r} {}^{2} h$

π = 3.14
r =10 in
h = 16 in

<em>[Firstly bring the answer in terms of π then plug π = 3.14 and then simplify.]</em>

$\rm \: Volume_{(Drum)} = \pi(10) {}^{2} (16)$

$\rm \: Volume_{(Drum)} =\pi100(16)$

$\rm \: Volume_{(Drum)} = 1600\pi$

$\rm \: Volume_{(Drum)} = 1600 \times 3.14$

$\boxed{\rm \: Volume_{(Cylinder)} = 5024 \: in {}^{3}}$

<u>Hence, we can conclude that:</u>

The volume of this drum is 5024 in^3.

8 0

2 years ago

Write in slope intercept form the equation of a line that has a slope of -5 and passes through point -2,-6

mafiozo [28]

$y = mx + n$

m slope
n y-intercept

for:
m = -5
x = -2
y = -6

$-6 = -5*-2 + n$

find n and insert it into the first equation

6 0

3 years ago

Could anyone help me with this?

VARVARA [1.3K]

Answer:

it is 91

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

1 11/16 as a percentage?????

nikdorinn [45]

Your answer is 168.75%

6 0

4 years ago

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