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3 years ago

100 POINTS+ BRAINLYEST❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️

Mathematics

1 answer:

Karo-lina-s [1.5K]3 years ago

7 0

Step-by-step explanation:

The vertex form of a parabola can be written as

$y = {a(x - h)}^{2} + k$

where (h, k) are the coordinates of the parabola's vertex. The vertices of the functions are as follows:

a) (3, 5)

b) (-7, 3)

c) (4, 0)

d) (0, -1)

e) (-1, -5)

f) (-1, -5)

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Use scientific notation to estimate the number of inches in 1,225 miles. Include all calculations in your final answer.

valentinak56 [21]

Answer:

1,225 miles = 77616000 inches

Step-by-step explanation:

It is asked to find the number of inches in 1,225 miles

Given

1 inch ≈ 1.578 × 10^-5 miles

Therefore, 1 mile = 63360 inches

Therefore, 1,225 miles = 1225 x 63360 inches

1,225 miles = 77616000 inches

or 1,225 miles = 7.7 x $10^{7}$ inches

Therefore the final answer is

1,225 miles = 77616000 inches

or 1,225 miles = 7.7 x $10^{7}$ inches

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3 years ago

Help please ............ solve Solve X-3y=z -x+2y=-3

Alenkasestr [34]

You don't need 3 equations to get a general solution. To do this use the equations x-3y-z=0 and -x+2y+0z= -3. Start out by letting z = t. Then solving those 2 equations simultaneously, your x's cancel out leaving you with -y-z=-3. But since z=t, then -y=-3+t or y=3-t. Now sub that in for y in the first equation, along with the fact that z=t to get x-3(3-t)-t = 0 and solve for x. x=9-2t. So a general solution for this would be (9-2t, 3-t, t)

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3 years ago

Ft? 1(907)-952-9189

Alex_Xolod [135]

Answer:

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3 years ago

Three friends each have some ribbon. Carol has 54 inches of ribbon, Tino has 10.5 feet of ribbon, and

zzz [600]

Answer:

1800 inches, 150 feet, and 50 yards

Step-by-step explanation:

First, lets start in inches. multiply 45 by 3, to get 135 feet, and add that with 10.5 to get 145.5 feet. multiply that by 12 to get 1746 inches, and add 54 to that to get 1800 inches. divided that by 12 to get 150, and divided 150 by 3 to get 50.

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3 years ago

A small can if cat food weights 0.5 pounds . Millie's cat ate 0.3 can of food. How much food did mollies cat eat?

Alex

68.04 grams
Since it's half a pound you would need to find thirty percent of half a pound

6 0

3 years ago