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marissa [1.9K]
3 years ago
15

Quadratic Functions in Standard Form

Mathematics
1 answer:
Stels [109]3 years ago
5 0

Answer:

You just need to put the given value of x-input in function f(x)=2x²+6x-8 to get y-output

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[Precalculus] Find the area of this triangle:
Aleonysh [2.5K]

check the picture below.


notice, by drawing the altitude from C, we end up with a 30-60-90 and a 45-45-90 triangle, thus we use the 30-60-90 and 45-45-90 rules as you see there.


\bf \textit{area of a triangle}\\\\ A=\cfrac{1}{2}bh~~ \begin{cases} b=\stackrel{w}{6\sqrt{3}}+\stackrel{y}{6}\\ h=6 \end{cases}\implies A=\cfrac{1}{2}(6\sqrt{3}+6)(6) \\\\\\ A=18\sqrt{3}+18\implies A=18(1+\sqrt{3})

8 0
3 years ago
Read 2 more answers
Two cards are drawn in succession without replacement from a standard deck of 52 cards. What is the probability that the first c
san4es73 [151]

Answer:

Recheck your question

Step-by-step explanation:

I think your question should be what is the probability that the second card is a spade given that the first one was a club

6 0
2 years ago
7.5 meal; 6.5% tax<br><br><br> PLS HELP ME!!!!!!
malfutka [58]

Answer:

$7.99

Step-by-step explanation:

6.5% of 7.5 = 0.4875

7.5 + 0.4875 = 7.9875 or about 7.99

6 0
3 years ago
A storeowner orders 25 calculators that cost $32 each.The storeowner can sell each calculator for 40$ .the storeowner sold 22 ca
pantera1 [17]

Answer:

$74 is the store owners profit

Step-by-step explanation:

25 (caculators) × $32 ( calculator cost)=$800 [(how much they costed when the owner order them it costed him $800)]

22 ( calculator that he sold) × $40 ( calculator cost) = $880 [( how much he made when he old them)]

$880-$6 ( because he had to return three calculators that he could not sell and had to pay a $2 charge for every one he return 3 (calculator)= $6) =$874(how much he made after selling that calculators

$874 - $800= $74

( he bought the cacaulators for $800 and sold them for $874 so you have to subtract the $800 dollars that he had to buy the calculators for, he made $74 )

6 0
3 years ago
At a cafe, for every 5 sodas sold there are 9 teas sold. whay is the ratio of teas sold to sodas sold?
TiliK225 [7]
The ratio is 9:5

Hope this helps!
5 0
4 years ago
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