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irga5000 [103]
3 years ago
9

PLZZZ HELP FAST What is the product of Three-fourths and Negative StartFraction 6 over 7 EndFraction? Negative StartFraction 7 o

ver 8 EndFraction Negative StartFraction 9 over 14 EndFraction StartFraction 9 over 14 EndFraction StartFraction 7 over 8 EndFraction
Mathematics
1 answer:
8_murik_8 [283]3 years ago
8 0

Answer:

-9/14 so the answer is B

Step-by-step explanation:

Hope this helps

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HELP PLSSS
Gwar [14]

Answer:

LINE D

Step-by-step explanation:

4 0
3 years ago
A coin collector is able to collect five coins each day. The collector has five coins on the first day, 10 on the second, 15 on
slavikrds [6]
5 X (number) would be it
7 0
3 years ago
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One hundred coins weigh 346 grams. How many grams does 1 coin weigh?
Pani-rosa [81]

Answer:

3.46 grams

Step-by-step explanation:

346/100 - 3.46

3 0
3 years ago
A small company manufacturers a certain item and sells it online. The company has business model where the cost C, in dollars, t
Mars2501 [29]

Answer:

Step-by-step explanation:

We know that the break even point is the point where the cost and the revenue equations intersect.  So the break even point in this situation is:

C= R

<=> 20/3x+50 = 10x (with x > 0 and x is a whole number)

<=> 10x^{2} -50x -20 = 0

<=> x ≈ 5

If the company sells more than 5 items, it will have benefit

If the company sells less than 5 items, it will lose

8 0
3 years ago
Could someone do all the problems and/or check my work?
MArishka [77]
11. You’ve done it correctly

12. Let x^2=y
y^2+13y+40=0
(y+8)(y+5)=0
y=8, 5
Since y=x^2
x^2=8 x^2=5
x=+/-√5 x= +/-2√2

13. x^4-x^2-x^2-8=0
x^4-2x^2-8=0
let x^2=y
Y^2-2y-8=0
(y-4)(y+2)=0
y=4, -2
Since y=x^2
X^2=4 X^2=-2
X= +/- 2 This wouldn’t be a real solution

14. It’s pretty much the same process, just substitute y in for x^2. If you’re confused feel free to ask and I can do it, or you can put it through Photomath

15. You’re on the right track so I’m just going to continue from where you left off
x^2(4x+5)-4(x+5)=0
(x^2-4)(4x+5)=0
x= +/- 2 4x=5
x=5/4 or 1 1/4

Hope this helped :)
8 0
3 years ago
Read 2 more answers
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