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Irina-Kira [14]
3 years ago
9

Who can converte y=x^2-8x+15 from standard form to vertex form

Mathematics
1 answer:
GuDViN [60]3 years ago
5 0
The vertex form is y=(x-4)^2-1
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David weighs 20 pounds more than katie while jonathan weighs 120 pounds less than three times katie's weight if david and jonoth
ladessa [460]
D = k + 20
j = 3k - 120
d = j

k + 20 = 3k - 120
20 + 120 = 3k - k
140 = 2k
140/2 = k
70 = k.....so Katie weighs 70 lbs

David and Johnathan each weigh 90 lbs
3 0
3 years ago
Multiply and Simplify. 4x+4/x^2 × (x+2)(x-1)/x+1
NARA [144]

Answer:


Step-by-step explanation:

(x^2 - 4)(x^2 - 4)

Simplifying

(x2 + -4)(x2 + -4)

Reorder the terms:

(-4 + x2)(x2 + -4)

Reorder the terms:

(-4 + x2)(-4 + x2)

Multiply (-4 + x2) * (-4 + x2)

(-4(-4 + x2) + x2(-4 + x2))

((-4 * -4 + x2 * -4) + x2(-4 + x2))

((16 + -4x2) + x2(-4 + x2))

(16 + -4x2 + (-4 * x2 + x2 * x2))

(16 + -4x2 + (-4x2 + x4))

Combine like terms: -4x2 + -4x2 = -8x2

(16 + -8x2 + x4)

5 0
3 years ago
9 times a number of 390
maxonik [38]

Answer:

5667

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
⚠️⚠️⚠️GIVING AWAY HUGE POINTS FOR ANYONE WHO COMPLETES THIS AND GETS THEM RIGHT!!!!!!!⚠️⚠️⚠️
Firlakuza [10]
1st picture

The average speed for his journey from York to Blackpool is 61.4 KM/H



5 0
3 years ago
A pack of cinnamon-scented pencils sells for $6.00. What is the sales tax rate if the total cost of the pencils is $6.48?
snow_tiger [21]
$6.48- $6.00= $.48
.48÷ 6.0= 0.08
0.08 = 8%
tax rate is 8%
6 0
2 years ago
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