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Lesechka [4]
2 years ago
11

the price of an item originally priced at $24 was increased by 15%. what percentage decrease will restore it to its original pri

ce?
Mathematics
1 answer:
konstantin123 [22]2 years ago
7 0

Answer:

$20.40

Step-by-step explanation:

First of all we find the value of 10%, so we do 24 ÷ 10 which equals to 2.4, then we find the halved value of 2.4, so we do 2.4 ÷ 2 which equals to 1.2. Then we add 2.4 and 1.2 together, which then gives us 3.6 as the number. We then subtract 3.6 from 24 which gives us 20.4, but we need in money terms so we change it to $20.40. Hope this helps.

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What value of y satisfies the system of equations:<br><br> y=-6x+2<br><br> y=x^2+11
Nataly [62]

Answer:

The value of y that satisfies the system of equations is 20

Step-by-step explanation:

we have

y=-6x+2

y=x^{2}+11

we know that

The solution of the system of equations is the intersection point both graphs

using a graphing tool

the intersection point is (-3,20)

see the attached figure

therefore

The value of y that satisfies the system of equations is 20

8 0
3 years ago
The center of a circle is at (–10, 6) and it has a radius of 4. What is the equation of the circle?
azamat
[x-(-10)]²+(y-6)²=4²
the answer is (<span>x + 10)^2 + (y – 6)^2 = 16</span>
3 0
3 years ago
Read 2 more answers
Which expression shows the result of applying the distributive property to 14(−3n+32) ?
shusha [124]

Answer:

-3/4n +3/8

Step-by-step explanation:

1/4(−3n+3/2)

Distribute the 1/4

1/4*-3n + 1/4*3/2

-3/4n +3/8

4 0
3 years ago
Answer the question above ​
Vera_Pavlovna [14]

Answer:

tan\:\left(\frac{5\pi }{6}\right)=tan\left(-\frac{\pi }{6}\right)

Option A is correct.

Step-by-step explanation:

We need to find equivalent of tan\:\left(\frac{5\pi }{6}\right)

First we solve tan\:\left(\frac{5\pi }{6}\right)

We get -\frac{1}{\sqrt{3} }

Now checking all the options.

Option A: tan\:(-\frac{\pi}{6} )

Solving tan\left(-\frac{\pi }{6}\right)\: we\: get\: \mathbf{ -\frac{1}{\sqrt{3} }}

Option B: tan\left(\frac{7\pi }{6}\right)

Solving tan\left(\frac{7\pi }{6}\right)\: we\: get\: \mathbf{\frac{1}{\sqrt{3} }}

Option C: cot\left(\frac{5\pi }{6}\right)

Solving cot\left(\frac{5\pi }{6}\right)\:we\:get\:\mathbf{-\sqrt{3} }

Option D : tan\left(-\frac{5\pi }{6}\right)

Solving tan\left(-\frac{5\pi }{6}\right) \:we\:get:\mathbf{\frac{1}{\sqrt{3} } }

So, looking at the options, only Option A has the same result as given question

So, tan\:\left(\frac{5\pi }{6}\right)=tan\left(-\frac{\pi }{6}\right)

Option A is correct.

3 0
3 years ago
Evaluate the expression -3+2× if the value of x = -2 i got answer -7
seraphim [82]

Answer:

-7

Yep you were right!

Step-by-step explanation:

-3+2(-2)

-3+-4

-7

4 0
3 years ago
Read 2 more answers
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