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yan [13]
2 years ago
8

4.

Mathematics
2 answers:
Fittoniya [83]2 years ago
6 0

Answer:

60

Step-by-step explanation:

200*0.30=60

Multiply the percent's by the total cost.

sesenic [268]2 years ago
4 0

Answer:

$260 the markup is 60

Step-by-step explanation:

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Help me solve this thing por favor i only came for the answers
NeTakaya
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6 0
3 years ago
I need how you found the answers?
lara31 [8.8K]

Answer:

2x + 6 = -18

x + 1 = -11

3x = -36

Step-by-step explanation:

First find the solution! Then you can create your own equations

2x+9=-15

2x=-24

x=-12

Thus u need solutions with:

x = -12

Knowing the equation of a line as:

y = mx + b

we can can start by making y = -12 (our solution)

mx + b = -12

Now we can pick a value for m and b by adding and miltiplying on both sides

We do this to keep both sides equal.

if we make m = 2 and b = 3:

2x + mb = -12*m + 2b

2x + 6 = -24 + 6

2x + 6 = -18

Solving this we also get x = -12, as we expect.

An alternative way to think about it is to imagine that we start with a simple equation and make it more complex. We have our solution:

x = -12  => lets add a b value!

x + b = -12 + b => Lets add a slope (m)

xm + bm = -12m + bm

Giving values for this can give you multiple equation of the same solution.

General Formula:

m(x+b) = m(y+b)

mx + bm = my + bm

8 0
3 years ago
The area of a trapezoid is 60 square feet. If the bases of the trapezoid are 8 feet and 12 feet, what is the height? 3 ft 6 ft 4
Charra [1.4K]
The answer you're looking for is 6 ft
4 0
3 years ago
In triangle DEF, ZE is a right angle. If cos(D) = ? and sin(D) = 24, what is tan(D)?
musickatia [10]

Answer:

ans=24/7

Step-by-step explanation:

cosD=7/25=b/h

sinD=24/25=p/h

now....tanD=p/b=24/7

6 0
3 years ago
Paul uses the expression 4.2 times 12.3 times 14.6 to determine the cost of tiling the floor of a room that measures 12.3 feet b
chubhunter [2.5K]

Answer:

three

Step-by-step explanation:

4.2 × 12.3 × 14.6 = 754.<u>236</u>

3 0
3 years ago
Read 2 more answers
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