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ANTONII [103]
3 years ago
5

What are double facts what do they look like

Mathematics
2 answers:
motikmotik3 years ago
7 0
Double facts the even and odd numbers for example 2×2=4
Taya2010 [7]3 years ago
6 0
Double facts are like this, 55, But if your looking for the PROBLEMS then it is 

55 - 45.  I hope this helps! if it does please make this the "brainliest" Answer!

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2x2 − 1 = 3x + 4 Which equation correctly applies the quadratic formula?
NNADVOKAT [17]

Standard form: ax^2 + bx + c = y

Steps to simplify:

2x^2 - 1 = 3x + 4

~Subtract (3x + 4) to both sides

2x^2 - 1 - 3x + 4 = 3x + 4 - 3x + 4

~Simplify

2x^2 - 3x - 5 = 0

(a = 2, b = -3, c = -5)

Now that we know what these values are, we can use the quadratic formula to solve.

x=\frac{-b-+\sqrt{b^2-4ac} }{2a} \\x = \frac{-(-3)-+\sqrt{-3^2-4(2)(-5)} }{2(2)}\\x= \frac{-3-+\sqrt{49} }{4} \\x=\frac{3-+7}{4} \\x = \frac{10}{4}~or~\frac{-4}{4}  \\x=\frac{5}{2}~or~-1

Answer: x = 5/2 or x = -1

Best of Luck!

5 0
3 years ago
Jasmine is planting flowers at her house. She really likes daisies. Jasmine has a budget of no more than $50 to spend on flowers
egoroff_w [7]
She can buy 20 flower
3 0
3 years ago
Find the sale price or retail price <br><br>Original price= $45<br><br>Percent discount= 15%
Verizon [17]
The sail price would be 38.25 because the original price is 45 and the discount is 15% and that would be 0.15 you need to multiply 45 with 0.15 and that would 38.25
4 0
3 years ago
You work at Dave's Donut Shop. Dave has asked you to determine how much each box of a dozen donuts should cost. There are 12 don
Archy [21]

Answer:

Donuts(b) = 12*b

Step-by-step explanation:

Notice that the question is:

What's an expression to model the number of donuts in b boxes?

We know that we are talking of boxes of a dozen donuts.

We know that in one dozen, we have 12 donuts.

Then if we have b boxes, and in each box we have 12 donuts, we will have a total of b times 12 donuts, the expression is:

Donuts(b) = 12*b

There is a lot of information here that we did not use (like the cost of cardboard and donuts), and that may be there just to distract us, the important thing to do here is:

See what is the thing we want to find (in this case, the number of donuts in b boxes)

Find the relevant information to solve this. (ignore the irrelevant information)

Solve the question.

3 0
3 years ago
A restaurant is making hamburgers. The cooks use two thirds
Oksi-84 [34.3K]
36x 2/3= 24 so u would have to use 24lbs of beef
6 0
3 years ago
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