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Salsk061 [2.6K]
4 years ago
13

What are the x-intercepts of the function f(x) = –2x2 – 3x + 20?

Mathematics
1 answer:
lesya [120]4 years ago
5 0

Answer:

F27

Step-by-step explanation:

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Lily has two times as much money invested in 8% stocks as she has in bonds paying 6%. How much she has invested in stocks if her
EleoNora [17]

Answer:

Final answer is $4440.

Step-by-step explanation:

Let amount of money invested in 8% stock = x

Let amount of money invested in 6% stock = y

then total money invested $325.6 gives equation

8% of x + 6% of y = 325.6

0.08x + 0.06y = 325.6

8x + 6y = 32560...(i)

other equation will be x=2y...(ii)

plug (ii) into (i)

8x + 6y = 32560

8(2y) + 6y = 32560

16y+ 6y = 32560

22y = 32560

y=\frac{32560}{22}

y=1480

plug y=1480 into (ii)

x=2y=2(1480)=2960

Then total money invested in stocks = x+y= 1480+2960=4440

Hence final answer is $4440.

5 0
3 years ago
Pleaseeeeeeee please help me i can’t get anymore wrong help save me please
agasfer [191]
The answer is 350 euros :)
Everyday, she spent 35 euros.
3 0
3 years ago
PLZ HELP NEED THIS REAL FAST DIS QUESTION HARD ILL GIVE 10 POINTS Jaquenline and her four friends went to the the fair. JaQuenli
ki77a [65]

Answer:

d.   5(x + 6) = 47.50

Step-by-step explanation:

First, determine the number of girls; (4 friends + Jacquenline) making a total of 5 girls.

If a ticket costs $6, then the the 5 girls' tickets would cost= 5*6

Also, if a funnel cake costs $x , then 5 girls' cakes would cost= 5* x

Total cost of funnel cake and entry tickets = $47.50

Now make the above three into an equation;

(5*x) + (5*6) = 47.50

5 is the common number on the left side so it becomes;

5( x +6) =47.50

6 0
3 years ago
PLEASE SHOW WORK!!<br><br> I WILL MARK YOU BRAINLIEST!! **ESPECIALLY IF YOU CAN EXPLAIN IT!
Svetradugi [14.3K]

Step-by-step explanation:

x^2=9/49

√x^2=√9/49

x=+or-3/7

4 0
3 years ago
Melissa reserves another rectangular patch in her vegetable garden for growing bell peppers. Since the space that she can reserv
Otrada [13]

Answer:

Quadratic, 16, 18, 6

Step-by-step explanation:

Did this assignment myself

7 0
3 years ago
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