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3 years ago

7

A store purchases an item wholesale for 60$ and marks it up by 70 percent if there is a 7 percent tax on the item how much will

the item cost

1 answer:

seropon [69]3 years ago

6 0

Answer:

109.14

Step-by-step explanation:

to Start off do 60 x .70, then add the answer to 60, then multiply by .07 then add that to 102, for the answer of 109.14

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Solve<br><br> Please help don’t understand

tigry1 [53]

Answer:x=30*

Step-by-step explanation:

90*+30*=120*

*All triangles’ angles = 180*

180*-120*=60*

60*/2=30*

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2 years ago

Write the equation of a circle with a center at (-1,2) and a radius of 7

Sever21 [200]

Answer:

$(x+1)^2+(y-2)^2=49$

Step-by-step explanation:

The standard form for the equation of a circle is $(x-h)^2+(y-k)^2=r^2$ where r is the radius, and the center is (h, k).

(h, k) = (-1, 2), r = 7

$(x-(-1))^2+(y-2)^2=7^2\\\\(x+1)^2+(y-2)^2=49$

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3 years ago

Identify the variable expression that is not a polynomial.

alexira [117]

Answer:

B. $3\sqrt x -2$

Step-by-step explanation:

Option B is the correct answer

3 0

2 years ago

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Inscribed Angles. If a= 34 than how do i find find b, c, and d.

VLD [36.1K]

Answer:

b, c, & d also = 34

Step-by-step explanation:

They all are inscribed angles of the same arc

5 0

2 years ago

If a coin is flipped 75 times, in how many ways could there be exactly two tails?

Dimas [21]

Answer:

2775 ways

Step-by-step explanation:

We have been given the case to choose exactly two tails when flipped 75 times means $^{75}C_2$

Since, $^nC_r$ is equal to $\frac{n!}{r!\cdot(n-r)!}$

Here n =75, r=2 substituting the values we will get

$\frac{75!}{2!(75-2)!}$

$n!=n\cdot (n-1)\cdot (n-2).....1$

After simplification we will get $\frac{75\cdot 74\cdot 73!}{2!\cdot73!}$

Cancel out the common term that is 73! we will get

after more simplification we will get $\frac{75\cdot 74\cdot}{2!}$

Finally, we will get $\frac{75\cdot 74\cdot}{2}=75\cdot37=2775$

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3 years ago

Read 2 more answers