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3 years ago

What is the value of x? Enter your answer in the box. x =

Mathematics

1 answer:

Nikitich [7]3 years ago

3 0

You are given that all three sides are equal. You also know that all three angles are also equal. Therefore since all three angles are equal and every triangle has 180 degrees, each angle is 180/3 = 60

7x - 3 = 60 Add three to both sides

7x - 3 + 3 = 60 + 3 Combine

7x = 63 Divide by 7

7x/7 = 63/7

x = 9 And that's your answer.

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you forget the last two digits of your password for a website. A what is the probability that you randomly choose the correct di

dexar [7]

A) number of outcomes * number of outcomes =9*9=81
possible outcomes 123456789 for 1 digit
b)number of outcomes(even) * number of outcomes(even) =4*4=16
possible outcomes even 2468

5 0

3 years ago

Kahn academy question:

Rufina [12.5K]

Answer:

2.97×10³

Step-by-step explanation:

3600 - 6.3×10² = 3600 -6.3×100 = 3600 -630 = 2970

= 2.97×1000

= 2.97×10³

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Your calculator can accept and display numbers in scientific notation.

8 0

3 years ago

Plzz help I have I noooo clue :(

iogann1982 [59]

The correct answer is C. Hope that helps!

7 0

3 years ago

Read 2 more answers

-4x – 4y = -8<br> -2x + 4y = –10

shusha [124]

Answer:

–10

Step-by-step explanation:

8 0

3 years ago

Mario has a business selling muffins. Let x be the price of a muffin. Then, the profit P for Mario’s business is given by p(x)=-

Rufina [12.5K]

To make a positive profit p(x)>0 we need to make:
$-100 x^{2} +350x-150 \ \textgreater \ 0$

Now we solve this for x:
$-2 x^{2} +7x-3 \ \textgreater \ 0$

We have:
a = -2
b = 7
c = -3

We will use formula for quadratic equation:
$x_{1} = \frac{-b+ \sqrt{ b^{2}-4ac } }{2a} \\ \\ x_{2} = \frac{-b- \sqrt{ b^{2}-4ac } }{2a} \\ \\ x_{1} = \frac{-7+ \sqrt{ 49-24 } }{-4} = \frac{-7+5 }{-4} = \frac{-2 }{-4} = \frac{1}{2} \\ \\ x_{2} = \frac{-7- \sqrt{ 49-24 } }{-4} = \frac{-7-5 }{-4} = \frac{-12 }{-4} = 3$

We got two solutions. One is fraction other is whole number. We will not consider fraction because the amount of muffins sold must be whole number. So our solution is:
x>3

5 0

3 years ago

Read 2 more answers