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lara31 [8.8K]
3 years ago
10

Help me on this question ❤️❤️❤️

Mathematics
2 answers:
3241004551 [841]3 years ago
8 0

Answer:

the answer would be -4

Step-by-step explanation:

y = (3) - 7

y = -4

solong [7]3 years ago
3 0
<h2>Answer: y = -4</h2>

Step-by-step explanation: To substitute 3 for x in the equation, we just need to plug the number 3 whereever we see an x.

y = x - 7

y = 3 - 7

Now we need to solve for y. To do so, we just need to solve everything that is on the opposite side of the equal sign.

y = 3 - 7

y = -4

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PLEASE HELP!!
IRISSAK [1]

Step-by-step explanation:

a + b = 6

ab = 1 \times 5 = 5

a = 1  \:  \:  \:  \:  \:  \:  \:  \: b = 5

( {x}^{2}  + x) + (5x + 5)

x(x + 1) + 5(x + 1)

(x + 1)(x + 5)

Hope this is correct and helpful

HAVE A GOOD DAY!

8 0
4 years ago
Solve the equation for all real solutions.<br> 15r2 – 6r – 3 = -2r
Solnce55 [7]

Answer:

Step-by-step explanation:

hello :

15r² – 6r – 3 = -2r

15r² – 6r – 3 +2r =0

15r²-4r -3 =0

delta =b² -4ac     a=15   b=-4   c=-3

delta =(-4)² - 4(15)(-3)=196 = 14²

r1 = (-b - √delta ) /2a = (4-14)/30 = -10/30 = -2/6 = -1/3

r2 = (-b + √delta ) /2a = (4+14)/30 = 18/30 = 3/5

4 0
3 years ago
For the given quadratic equation convert into vertex form, find the vertex, and find the value for x = 6. Show your work. y = -2
telo118 [61]
Y= -2(x²-x)+2= -2(x-1/2)²+2+1/2= -2(x-1/2)²+5/2 
<span>x=6, y= -2(11/2)²+5/2= -121/2+5/2= -58

I hope this helps</span>
7 0
3 years ago
Answer PLS
Zolol [24]

Answer:

yes, your score is good for a seventh grader.

keep it up and you can score more.

8 0
2 years ago
Read 2 more answers
You go to Sandy's and want to order a pizza. You can choose from thin or thick crust; white sauce or red sauce; and pepperoni, s
RSB [31]

Answer:

2 crusts

2 sauces

4 toppings

2x2x4= 16 combinations

4 0
3 years ago
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