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3 years ago

Is 45 ounces heavier than 3 pounds or is 3 pounds heavier than 45 ounces?

Mathematics

2 answers:

german3 years ago

5 0

1 pound = 16 ounces
3 pounds = 48 ounces

nikklg [1K]3 years ago

4 0

3 pounds is definitely greater than 45 ounces because 3 pounds is equivalent to 48 ounces

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The area of the triangle formed by x− and y− intercepts of the parabola y=0.5(x−3)(x+k) is equal to 1.5 square units. Find all p

jeka57 [31]

Answer:

K = -1 or -2

Step-by-step explanation:

Given the equation of parabola is, y = 0.5(x-3)(x+k).

Finding y-intercept, put x=0 and solve for y :-

y = 0.5(0-3)(0+k)

y = 0.5(-3)(k)

y = -1.5k

Finding x-intercepts, put y=0 and solve for x :-

0 = 0.5(x-3)(x+k)

(x-3)(x+k) = 0

x = 3 OR x = -k

So, the coordinates of triangle ABC are:-

A(0, -1.5k), B(3, 0), and C(-k, 0)

Assuming origin O(0,0), find the area of triangle ABC:-

Area = (1/2) * BC * OA

Area = (1/2) * (k+3) * (1.5k)

But given the area is 1.5 square units.

So, (1/2) * (-k-3) * (1.5k) = 1.5

(1/2) * (-k-3) * (k) = 1

k(-k-3) = 2

-k² -3k -2 = 0

k² +3k +2 = 0

k² +2k +k +2 = 0

(k+2)(k+1) = 0

So, k = -1 or k = -2

7 0

3 years ago

Read 2 more answers

Order this set of integers from greatest to least:

USPshnik [31]

Answer:

-3

-8

-19

-32

Step-by-step explanation:

3 0

3 years ago

Answer these maybe? I’m confused

Svetach [21]

Step-by-step explanation:

c) j = 95 degree (similar triangle)

d) jk/4 = 4.6/9.2

jk/4 = 1/2

jk = ?

7 0

3 years ago

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Image.......................

babunello [35]

Answer:

10.75

Step-by-step explanation:

The cost of an adult ticket is £6 more than that of a child ticket, so will be shown by c+6.

Now, we are told that the cost of four child tickets and two adult tickets is £40.50, so we can put this in an equation and solve for c:

(c+6)+(c+6)+c+c+c+c=40.50

6c+12=40.50

6c=28.50

c=4.75

so, a childs ticket is 4.75

now to find the cost of an adult ticket you add 6,

4.75 + 6

= 10.75

3 0

3 years ago

-2x-3y≤3 solve for y

Ivanshal [37]

The solution is y= $- \frac{2}{3}x$ - 1

-2x - 3y $\leq$ 3
-2x - 3y = 3
+2x =2x
--------------------
-3y = 2x + 3
----- -----------
-3 -3

y= $- \frac{2}{3}x$ - 1

8 0

3 years ago