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Neko [114]
2 years ago
11

How do I put these equations into vertex form?

Mathematics
1 answer:
kenny6666 [7]2 years ago
4 0
I found my notes for this exact paper and I have that first problem written. hopefully this helps

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Brainliest to correct answer
qwelly [4]

Answer:

  • y = 0.35x

Step-by-step explanation:

<u>Janet ⇒ 3 postcards ⇒ $1.05 </u>

  • Cost of postcard: 1.05/3 = $0.35

<u>Rosi ⇒ 5 postcards ⇒ $1.75 </u>

  • Cost of postcard: 1.75/5 = $0.35

<u>Tanya ⇒ 8 postcards ⇒ $2.80</u>

  • Cost of postcard: $2.80/8 = $0.35

<u>We see in all 3 cases cost of postcard is same, the cost and numbers are proportional and the relationship is:</u>

  • y = 0.35x

8 0
3 years ago
Read 2 more answers
How to write seventeen thousand and one hundred six thousandths in standard form
WINSTONCH [101]
Seventeen-thousand and one hundred 6 thousandths written in standard form would be 17,000.106

Hope this helped =)
3 0
3 years ago
Read 2 more answers
Find the surface area of each solid.
Andre45 [30]

Answer:

232 in^2

Step-by-step explanation:

80 + 80 + 20 + 20 + 16 + 16 = 232

Check previous answer for better explanation!

7 0
2 years ago
If ( 43.65 ) ( 8.79 ) / x = ( 0.4365 ) ( 87.9 ) then value of x is:
strojnjashka [21]

Answer:

  (d)  10

Step-by-step explanation:

Multiply by x and divide by its coefficient:

  (43.65)(8.79) = (0.4365)(87.9)x

  (43.65)(8.79)/((0.4365)(87.9)) = x

At this point, any calculator can give you the answer. It is, perhaps, more satisfying to work out the answer without a calculator.

  x = (43.65)/(0.4365) × (8.79)/(87.9)

In the first quotient, the numerator is 100 times the denominator; in the second, the denominator is 10 times the numerator.

  x = (100) × (1/10) = 100/10

  x = 10

_____

Moving the decimal point to the right 1 place multiplies the numerical value by 10.

5 0
3 years ago
CAN SOMEONE HELP ME WITH THIS PLZ! &lt;3
coldgirl [10]

Answer:

D. A = πr^2

Step-by-step explanation:

The formula of the area of a circle is <u>A = πr^2</u>.

6 0
2 years ago
Read 2 more answers
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