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wel
4 years ago
10

Please!! Can also show me your work?

Mathematics
1 answer:
ycow [4]4 years ago
8 0

Multiply the total hours by each portion:

Ally = 60 hours x 0.4 = 24 hours.

Megan = 60 x 1/4 = 60 x 0.25 = 15 hours.

Rachel and Liz = 60 hours - 24 hours - 15 hours = 21 hours total.

Rachel and Liz shared equally so 21 / 2 = 10.5 hours each.

Liz babysat 10.5 hours ( 10 and 1/2 hours).

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Atoms contain charged particles called protons and electrons. Each proton has a charge of +1, and each electron has a charge of
pav-90 [236]
-2 
16 positive protons + 18 negative electrons
7 0
3 years ago
Read 2 more answers
Anyone please help !!
yuradex [85]

Answer:

The answer for the first problem is B. The answer to the second problem is A.

Step-by-step explanation:

Explanation for first problem: Factor the equation and get (w+5)(w-4). Then multiply the numerator of the equation (w-3) by (w-4) and get w²-7w+12.

Explanation for second problem: Plug in the values of choice A., -2 and 4, and they cause the denominators to equal 0 which is against the rules or considered illegal.

8 0
3 years ago
What is the area of the triangle?
liberstina [14]

Answer:

48

Step-by-step explanation:

A = bh/2

A= 8 x 12 / 2

A= 96 / 2

A = 48

3 0
3 years ago
43214568•19876555<br><br> Please help me!!!!!!!!
Bess [88]

Answer:

8.5895674e+14

Step-by-step explanation:

Use a calculator.

3 0
4 years ago
Flying fish use their pectoral fins like airplane wings to glide through the air. Suppose a flying fish reaches a maximum height
GrogVix [38]

The flight is in the shape of a parabola with a vertex 5 feet above the water and  1/2 * 33 = 16.5 feet horizontally from the point of leaving the water

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

where  (h,k)  is the vertex of the  parabola and here it is (5 , 16.5), so we have the function:-

y = a(x - 16.5)^2 + 5

when x = 0 y = 0  so

0 = a(-16.5)^2 + 5

which gives a = -0.018365

So our function for the flight path is

y = -0.018365(x - 16.5)^2 + 5     Answer



7 0
3 years ago
Read 2 more answers
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