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andriy [413]
3 years ago
13

Please help me with this.

Mathematics
1 answer:
pshichka [43]3 years ago
6 0

Given:

The quadratic equation is:

3x^2-5x-2=0

To find:

Point that is the solution of given equation.

Solution:

We have,

3x^2-5x-2=0

The quadratic function of the above equation is:

y=3x^2-5x-2

Putting x=1, we get

y=3(1)^2-5(1)-2

y=3-5-2

y=-4

The function passes through the point (1,-4). It means (1,-4) is the solution of given equation but (1,5) is not a solution of given equation.

Therefore, the correct option is A.

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PLS HELPS ASAP 2/18/20
wel

Answer:

Each bracelet has 12 small charms and 5 large charms

Each order also gets<em> </em>5 blank spacer charms to use to separate charms or fill in the bracelet.

(a) 17x + 5 = y  

17 charms are needed for each bracelet plus 5 blank spacer charms that come with each order.

(b) the order she is filling needs 158 charms. How many bracelets were purchased in this order?

17x + 5 = 158

Let's solve your equation

17x+5=158

Subtract 5 from both sides.

17x+5−5=158−5

17x=153

Divide both sides by 17.

17x  / 17  =  153  / 17

x=9

9 bracelets were purchased in this order.

(c) Toby says they don’t have enough charms to fill an order that needs 264 charms. Sarah says it’s not possible for an order to need 264 charms.

 17x + 5 = y  

17x + 5 = 264

Subtract 5 from both sides.

17x + 5 -5 = 264-5

17x = 259

Divide both sides by 17.

17x / 17 = 259 / 17

x = 15.235

Sarah is wrong because 264 charms can make about 15 bracelets.

Step-by-step explanation:

I hope this helps

Have a nice day!!

3 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point (-6,-7)  and has a slope of 0?
Setler [38]
The equation of the line is y = -7. If the slope is zero, the line is flat.
7 0
3 years ago
Choose what the expressions below best represent within the context of the word problem. If Sarah is 24 years younger than her m
KIM [24]
Hello Kiddo. 

This question is a bit confusing to me, but I think I grasped the concept. 
1. x best represents Sarah's mom's age. 
2. x - 24 best represents Sarah's mom's age minus how much younger Sarah is than her mom. 
3. The expression would look a little like this:
2x-24 = 68
    + 24  +24
2x = 92 
/2     /2
x = 46.

Which means, Sarah is 22 and her mom is 46 years of age. 
If you need more clarification, I'd be more than happy to elaborate further. 
5 0
3 years ago
Read 2 more answers
I will make brainliest for whoever helps
ruslelena [56]

Answer:

s \leq 14

Step-by-step explanation:

divide both sides by 7

4 0
3 years ago
Read 2 more answers
How do you do these kind of problems? could someone please provide me steps?
DerKrebs [107]
1/5×m+2/3-2=m-2/5
Multiply both sides by 15:
3m+10-30=15m-6
12m=14
m=14/12
m=1.16
7 0
3 years ago
Read 2 more answers
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