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Ghella [55]
3 years ago
9

X^2-3×=2 use quadratic equation ​

Mathematics
1 answer:
abruzzese [7]3 years ago
4 0

Answer:

(-3+√17 )/2. or( -3-√17)/2

hope you got it

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There are seven roads that lead to the top of a hill. How many different ways are there to reach the top and come back ( you don
Setler [38]

Answer:

49 different ways

Step-by-step explanation:

If there are seven roads that lead to the top, you have seven possible choices to go to the top of the hill.

Then, to come back to the start, you also have seven possible choices (seven roads), and you can pick any road.

So, if you have seven ways to go up and seven ways to go down, the number of different ways of going to the top and coming back is the product of these numbers of possible choices.

N(total) = N(up) * N(down)

N(total) = 7 * 7

N(total) = 49 different ways

Brainliest pls and tysm!

8 0
2 years ago
An 8 oz glass of grape juice contains 0.6 mg of iron. About what percent of RDA of iron for an 15 year old male is provided by 8
babymother [125]

Answer:

5.45%


Step-by-step explanation:

To find info of a 15 year old male, you look at the Age Group of 14 - 18, beside Male.

The RDA of Iron is given as 11 mg

From a 8 oz glass of grape juice, he gets 0.6 mg.


<em>What percent is 0.6 mg of total 11 mg??</em>


Divide 0.6 by 11 and then multiply by 100 to get the answer. So we have:

\frac{0.6}{11}=0.0545*100=5.45

Thus, 5.45% of RDA of iron is provided by an 8 oz glass of grape juice.

6 0
3 years ago
Andy has two similar conical hats, Hat A and Hat B. The diameter of Hat A is 18 inches, and the diameter of Hat B is 9 inches. W
alex41 [277]
I think it 8:1 not for sure

8 0
3 years ago
Read 2 more answers
Number 6.i need full working​
Pavlova-9 [17]
You can do this on a calculator if you search up online radius and height measurement calculator.
4 0
3 years ago
How do I solve for X if I have something like this?<br>(x+2)(1-x)= -4
lakkis [162]

(x+2)(1-x)=-4

subtract 2 from both sides: x(1-x)=2

simplify:x-2x=2

subtract: -x=2

switch the negatives

x=-2

3 0
3 years ago
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