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egoroff_w [7]
3 years ago
5

Solve for x in quadratic equation if x(2x-1)=1 , can you please help me please ​

Mathematics
1 answer:
kumpel [21]3 years ago
8 0

Answer:

x=1 or -1/2

Step-by-step explanation:

The value of x is 1 or -1/2

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A jar of quarters and dimes contains $20.00. There are 110 coins in all. How many of each are there?
VikaD [51]

Answer:

There are 50 dimes and 110-50 = 60 quarters in the collection.

Step-by-step explanation:

Let D be the number of dimes.

Then the number of quarters is (110-D).

The "value equation" is

10D + 25*(110-D) = 2000.

Simplify and solve for D:

10D + 2750 - 25D = 2000,

-15D = 2000 - 2750,

-15D = -750,

D = %28-750%29%2F%28-15%29 = 50.

6 0
3 years ago
Hey can someone help me with this?? Im very confused and need this explained to me! Thank you so much!!
Over [174]

Answer:

( C ) ΔMLN ≅ΔTSR

Step-by-step explanation:

Okay I got you!

So if the triangle <u>str</u> was flipped and rotated the other way then you will see that they are similar. They are asking what other "pairs" could you do to make it equivalent. Since M = T then you got your first pair. Next you go to N and when you look at the shape you'll see it will be S. N=S. And the last one would be L=R. I hope I was helpful enough! uwu Try to draw them out it will be helpful!!

8 0
3 years ago
What steps would you take to determine if these figures are similar? Check all that apply. Use a scale factor of 2. Multiply the
skad [1K]

Answer:

Well I took it"s Reflect the intermediate image.  and Multiply the vertices of polygon ABCD by One-half.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Which is equal to cos47°?
Murrr4er [49]

Which of these is equal to cos 47°?

a. cos 43°

b. sin 43°

c. tan 43°

d. cos 133°

B.....

cos (47°)= sin (90°-47°)=sin (43°) [complementary angles]

Answer B

7 0
2 years ago
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azamat

Answer:

thousandths

Step-by-step explanation:

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