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vitfil [10]
3 years ago
15

alt="25x^{2} + 30x + 9 = 0" align="absmiddle" class="latex-formula">
I'm supposed to solve this using the zero-factor property. How do I factor these numbers?
Mathematics
2 answers:
dexar [7]3 years ago
8 0
(5x+3)(5x+3) then solve, x equals -3/5
lana66690 [7]3 years ago
7 0

Answer:

Good Luck!

Step-by-step explanation:

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Jar B has 20% more marbles than jar A. What percent of the marbles in jar B have to be moved to jar A, in order for the number o
laiz [17]
<span>Lets see if the next procedure can explain what you need:
Try have A contain, for example, 100
B has 20% more: 20% is 20/100 or 0.20
20% of 100 = 0.02*100= 20
 so B has 100+20 = 120 to make the number equal you want to move 10 from B to A so both have 110
I Hope this can help you</span>
4 0
3 years ago
2z + 3/8 =3 7/8<br> How do I work out this problem.
poizon [28]

Answer:

z = 1.75

Step-by-step explanation:

2z + 3/8 = 3 7/8

2z = 3 7/8 - 3/8

2z = 3 4/8 or 2z = 3 1/2

z = 3 1/2 / 2 or 3.5 / 2

z = 1.75

8 0
3 years ago
Pls help with 7,8,9 i will say thx for it
baherus [9]
Let's do this.

7. 2880 ÷ 12 = $240 per month are put into his savings. 240 ÷ 3 = 80, and 80 × 20 = 1600. Ryan gets paid $1600 a month.

8. 318.50 × .3 = 95.4, so $95.40 gets taken off, making them pay $223.10.
With their other coupon, another $33.47 will be taken off, making the final price $189.63.

9. 41.2218649697%, which can be rounded up to 41.22%

Hope this helped.
7 0
4 years ago
Amanda makes $40,000 and gets an annual raise of $3,000. Marie makes $45,000 and gets an annual raise of $2,500. How many years
pychu [463]

Answer:

Six years

Step-by-step explanation:

because it will divided the twoo digit and mutiple it self

7 0
2 years ago
The amount of a chemical solution is measured to be 2 liters. What is the percent error of the measurement? 2.55% 25% 50%
Novay_Z [31]

Answer:

2.55 percent

Step-by-step explanation:

4 0
4 years ago
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