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Tju [1.3M]
3 years ago
14

PLEASE HELP the question is in the picture

Mathematics
2 answers:
stepladder [879]3 years ago
8 0

Answer:

#1=c,#b=d,#3=b,#4=a

Step-by-step explanation:

hope this helps

diamong [38]3 years ago
6 0

Answer:

1)c

2)d

3)b

4)a

<em>Hope you got it</em>

<em>if you have any question just ask me</em>

<em />

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Mr. Wayne sells calculators. He marks up every item with a profit of 25%. Let x be his cost for a calculator. A. Write an expres
Leona [35]

Answer:

Step-by-step explanation:

%profit = selling price - cost price/cost price * 100

If Mr. Wayne marks up every item with a profit of 25% and x be his cost for a calculator, the expression for the selling price can be gotten by substituting the parameters into the formula;

25 = sp-cp/cp * 100

25/100 =  sp-x/x

0.25 = sp-x/x

cross multiply

0.25x = sp-x

add x to both sides

0.25x+x = sp-x+x

1.25x = sp

selling price = 1.25x

<em>Hence an expression for the selling price of the calculator is 1.25x</em>

<em></em>

b) If Mr wayne paid $25, the selling price is derived by substituing x = $25 into the expression in (a)

selling price = 1.25x

selling price = 1.25($25)

selling price = $31.25

c) If the selling price is $86, to get the cost of the calculator, substitute the selling price into the expression in (a)

selling price = 1.25x

$86= 1.25x

x is the cost price of the calculator

divide both sides by 1.25

$86/1.25= 1.25x/1.25

x = $68.8

<em>Hence Wayne paid $68.8 for a calculator that he sells for $86.</em>

8 0
3 years ago
What is the area of the obtuse triangle given below?
Alex

Answer:

64 sq. units

Step-by-step explanation:

A = \frac{hb}{2}

A = \frac{16*8}{2} = 64 sq. units

5 0
3 years ago
The cylindrical container is four-fifths full of powder. Round to the nearest tenth if necessary. a. The total capacity of the c
mezya [45]

Answer:

a. \pi r^2h

b. \frac{4\pi r^2h}{5}

Step-by-step explanation:

Volume of the container denotes its quantity. It is a three-dimensional space.

Let V denotes the volume of the container, h denotes the height of the container and r denotes the radius of the container.

a.

The total capacity of the container in terms of π is \pi r^2h<u />

b.

As the cylindrical container is four-fifths full of powder, so the volume of the powder in terms of π is \frac{4}{5}\times volume of the container i.e., \frac{4\pi r^2h}{5}

4 0
3 years ago
Rectangle A has a length of 12 and width of 8. Rectangle B has a length of 15 and a width of 10.
navik [9.2K]

Answer:

rectangles are similar figures, thus if scaled copies of each other then the ratios of corresponding sides must be equal

compare ratios of lengths and widths

rectangles A and B

k =  =  ← ratio of lengths

k =  =  ← ratio of widths

scale factors are equivalent, hence rectangle A is a scaled copy of B

rectangles C and B

k =  =  ← ratio of lengths

k =  =  ← ratio of width

scale factors (k ) are not equal, hence C is not a scaled copy of B

rectangles A and C

k =  =  ← ratio of lengths

k =  ← ratio of widths

the scale factors are not equal hence A is not a scaled copy of C

Step-by-step explanation:

6 0
3 years ago
Solve (x + 6)/x - 4) = -16<br> 0 (-12. 22)<br> 0 1-4. 2)<br> O {-4. 6)
Snowcat [4.5K]

Answer:

3\frac{7}{17}

Step-by-step explanation:

\frac{(x + 6)}{(x - 4)}  =  - 16 \\  \\ x + 6 =  - 16(x - 4) \\ x + 6 =  - 16x + 64 \\ x + 16x = 64 - 6 \\ 17x = 58 \\ x =  \frac{58}{17}  \\ x =  3\frac{7}{17}  \\

7 0
3 years ago
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