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zheka24 [161]
1 year ago
5

9х2 - 2x – 1 = 0

="2x { }^{2} - 2x - 1 = 0" alt="2x { }^{2} - 2x - 1 = 0" align="absmiddle" class="latex-formula">

Mathematics
1 answer:
skad [1K]1 year ago
7 0

Evaluate the value of x by using the quadratic formula.

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boeing plans to increase its price for jetliners. with a selling price $201.5 million and a cost of $190.1 million, what was the
scoray [572]

so from 190.1 to 201.5 is 201.5 - 190.1 = 11.4.

now, if we take 190.1 as the 100%, what is 11.4 off of it in percentage?

\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 190.1&100\\ 11.4&x \end{array}\implies \cfrac{190.1}{11.4}=\cfrac{100}{x}\implies 190.1x=1140 \\\\\\ x=\cfrac{1140}{190.1}\implies x\approx 5.99684

3 0
3 years ago
Read 2 more answers
Does this image have a set of inputs to a set of possible outputs where each input is related to exactly one outputs Yes or No?
borishaifa [10]

Answer: Yes

This graph passes the vertical line test. This is a test where we try to draw a single vertical line through more than one point on the curve. In this case, such a thing is not possible. Any input x leads to exactly one output y. This graph is a function.

3 0
3 years ago
3 hrs 20 minutes- 1 hr 48 minutes
Nana76 [90]

You first convert everything to minutes

3hrs= 60x3=180mins

1hr= 60x1=60mins

then you add 20 to 180

200

and you also add 48 to 60

104

200-104=

96

Then you convert to hrs and mins

96-60=36

1hr 36mins

5 0
3 years ago
Use the distributive property for 4*29=
Bezzdna [24]
(4×20)+(4×9)=80+36=116
this is the <span>distributive property

I hope this helped!!!:)</span>
3 0
3 years ago
For f(x) = 2x +1 and g(x) = x^2-7, find (f/g) (x)
Rashid [163]
the answer is (f/g)(x) = 2(x^2 - 7) + 1
= 2x^2 - 14 + 1
= 2x^2 - 13
5 0
2 years ago
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