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GuDViN [60]
3 years ago
6

Which of the following equations is equivalent to 30 = 2 ( -2x + 6

Mathematics
1 answer:
sukhopar [10]3 years ago
8 0

Answer:

30=-4x+12

Step-by-step explanation:

they both equal -9/2

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Chef Daniel had 431 ounces of chocolate frosting in his refrigerator. It takes 8 ounces of frosting to frost one cupcake. How ma
Alex

Answer:

53 cupcakes

Step-by-step explanation:

Take the amount of frosting and divide by the amount needed per cupcake

431/8

53.875

We round down since we cannot frost part of a cupcake

53 cupcakes

7 0
3 years ago
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The letters for the word SCHOOL are placed in a hat. What is the probability of drawing the letter o out of the hat?
Cerrena [4.2K]

Answer: 2/6 or 1/3

Step-by-step explanation:

SCHOOL has 6 letters in it and two O's. Therefore, it would be 2/6 or simplified it would be 1/3.

That was FUN!

8 0
3 years ago
PLZ HELP I WILL GIVE BRAINLESS
laila [671]

Answer: try b , c , and f

Step-by-step explanation:

3 0
3 years ago
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an ornithologist studying the flight of birds measured the efficiency for parakeets flying at various speed in a descending flig
borishaifa [10]

Step-by-step explanation:

Given:

  1. when s = 12 mph     t =0.18  let   (s,t) or (a,b) = (12,0.18)
  2. when s = 22 mph    t = 0.23 s     (s,t) or (a,b) =(22,0.23)
  3. when s = 30 mph     t = 0.15 s     (s,t) or (a,b) =(30,0.15)

<u>we know the general format of Quadratic equation to be </u>

<u>= </u><u>ax²+bx+c=0</u>

<u></u>

<u>Step 1</u> :

when the birds pass through a,b (12,0.18) we cane give the expression as

= ax²+bx+c=0

= 12x² + 0.18x + c= 0

it can also be written as

<u>s = ut + 1/2 at²</u>  = 0.18t +( 1/2) a(0.18)²

<u></u>

<u>step 2 :</u>

through points (22,0.23)

= 22x² + 0.23x + c = 0

<u>s = ut + 1/2 at²</u>  = 0.23t + (1/2) a(0.23)²

<u>Step 3 :</u>

through points (30,0.15)

= 30x² + 0.15x + c = 0

<u>s = ut + 1/2 at²</u>    

= 0.15 u +(1/2)  a(0.15)²

7 0
3 years ago
The table shows a linear function.
dem82 [27]

Answer:

see explanation

Step-by-step explanation:

A linear equation in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula using any 2 points from the table.

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (10, - 1) and (x₂, y₂ ) = (5,2)

m = \frac{2+1}{5-10} = \frac{3}{-5} = - \frac{3}{5}

Note the point (0, 5) is on the y- axis → c = 5

y = - \frac{3}{5} x + 5 ← equation representing the function

3 0
4 years ago
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