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ryzh [129]
2 years ago
10

OMG PLEASE HELP ME! I NEED YOUR HELP

Mathematics
2 answers:
vampirchik [111]2 years ago
8 0

Answer:

x = 44°

Step-by-step explanation:

180 - 67 = 113

23 + 113 = 136

180 - 136 = 44.

zzz [600]2 years ago
4 0

Answer:

60 degree

Step-by-step explanation:

I don't know the process though

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139.65 subtract 59.623
Murljashka [212]

Answer:

80.027

Step-by-step explanation:

    139.65-59.623 = 80.027

                 

4 0
3 years ago
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A car is traveling at a speed of yy miles per hour. Which situation would be described by the expression 1.2y1.2y? the speed of
kotykmax [81]
Answer:
<span>the speed of the car after it is increased by 20%
</span>
Explanation:
We are given that the speed of the car is y miles per hour.
Now, 1.2y can be expressed as follows:
1.2y = y + 0.2 y
which is equivalent to:
1.2y = y + 20%y

Since y is the speed, based on the above, we can infer that the speed of the car increased by 20%

Hope this helps :)
5 0
3 years ago
How do you write the proportion 9:36 = 10:40 using words ?
valentina_108 [34]

9 is to 36 as 10 is to 40 -is how you should write the proportion 9:36 = 10:40 using words.

8 0
2 years ago
Solve 2x^3+7x^2-2x-1=o​
Mashcka [7]

Answer:

x=\sqrt{3}-2\\x=-\sqrt{3}-2\\x=\frac{1}{2}

Step-by-step explanation:

This is a hard one

We have to use the rational root theorem

2x^3+7x^2-2x-1 = 0

We have to find all the factors of a and d and put them in a fraction

a=2\\d=-1\\\frac{1}{1,2}

We then plug them into the equation to see if any of them work

The equation isn't true when plugging 1, but is true when plugging in 1/2

factored form of 1/2 is (2x-1)

Then we divide the original equation by (2x-1) (you can use synthetic division or long division, it would be hard to type out the process for that) to get x^2+4x+1

So now the equation is (2x-1)(x^2+4x+1)

Solve the second half of this equation using the quadratic formula to get

\sqrt{3}-2 and -\sqrt{3}-2

We already know the solution for the first half of the equation (1/2)

So the final answers are:

x=\sqrt{3}-2, -\sqrt{3}-2, \frac{1}{2}

8 0
3 years ago
Which word completely describes the rhombus?<br> A.equilateral<br> B.equiangular<br> C.regular
lara [203]
I say A. because all the sides are the same.
5 0
3 years ago
Read 2 more answers
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