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lapo4ka [179]
3 years ago
15

Can someone please help me , I really need it

Mathematics
1 answer:
Nikitich [7]3 years ago
6 0
((1/3 + 1)/(3))/(4)
((1/3 + 1)/(3))/(4) = (1/3 + 1)/(3×4):
(1/3 + 1)/(3×4)
Put 1 + 1/3 over the common denominator 3. 1 + 1/3 = 3/3 + 1/3:
(3/3 + 1/3)/(3×4)
3/3 + 1/3 = (3 + 1)/3:
((3 + 1)/3)/(3×4)
3 + 1 = 4:
(4/3)/(3×4)
4/(3×3×4) = 4/(3×4×3):
4/(3×4×3)
4/(3×4×3) = 4/4×1/(3×3) = 1/(3×3):
1/(3×3)
3×3 = 9:
Answer:  1/9 gallons of yellow paint

((1/4 + 1)/(4))/(3)
Put 1 + 1/4 over the common denominator 4. 1 + 1/4 = 4/4 + 1/4:
((4/4 + 1/4)/(4))/(3)
4/4 + 1/4 = (4 + 1)/4:
(((4 + 1)/4)/(4))/(3)
4 + 1 = 5:
((5/4)/4)/3
4×4 = 16:
5/(16×3)
16×3 = 48:
Answer:  5/48  Gallons of green paint

(7/3×1/4)/8
(7/3×1/4)/8 = 7/(3×4×8):
7/(3×4×8)
3×4 = 12:
7/(12×8)
12×8 = 96:
<span>Answer:  7/96 Gallons of blue paint

Combine:

1/9 + 5/48 + 7/96
Put 1/9 + 5/48 + 7/96 over the common denominator 288. 1/9 + 5/48 + 7/96 = 32/288 + (6×5)/288 + (3×7)/288:
32/288 + (6×5)/288 + (3×7)/288
6×5 = 30:
32/288 + 30/288 + (3×7)/288
3×7 = 21:
32/288 + 30/288 + 21/288
32/288 + 30/288 + 21/288 = (32 + 30 + 21)/288:
(32 + 30 + 21)/288
 | 3 | 2
 | 3 | 0
+ | 2 | 1
 | 8 | 3:<span>Answer:  83/288  or </span><span>0.2881944... </span>Gallons are left over</span>

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7 0
3 years ago
A student needed to prepare 500mL of 1X TAE buffer to run a QC gel. The stock solution in the lab is 5X TAE. What volumes of sto
Xelga [282]

Answer:

you need 100ml of 5X TAE and 400ml of water.

Step-by-step explanation:

You need to use a rule of three:

C_1V_1=C_2V_2

where:

\left \{ {{C_1= 5X} \atop {C_2=1X}} \right.

and

\left \{ {{V_1 = V_{TAE}} \atop {V_2=500ml}} \right.

Therefore:

V_{TAE} = \frac{V_2*C_2}{C_1}

V_{TAE} = 100ml

Then just rest the TAE volume to the final Volume and you get the amount of water that you need to reduce the concentration.

3 0
3 years ago
Read 2 more answers
What is the domain of the function F(x) = 4 cos(2x+1)?
Veseljchak [2.6K]

Answer:

Domain: (-inf, inf)

Range: [-4,4]

6 0
3 years ago
Imagine the center of the Singapore Flyer ferris wheel is located at (0, 0) on a coordinate grid, and the radius lies on the x-a
stealth61 [152]

The equation of the circle is x² + y² = 25 and the transformation equation of the circle is x² + y² = 100.

<h3>What is the equation of the circle?</h3>

The following parameters are derived from the question:

(x - a)² + (y - b)² = r²

Center (a, b) = (0, 0)

Radius (r) = 5

Then the equation of the circle will be

x² + y² = 5²

x² + y² = 25

Then the transformation of the circle will be

Center (a, b) = (0, 0)

Radius (r) = 10

Then the equation of the circle will be

x² + y² = 10²

x² + y² = 100

More about the equation of circle link is given below.

brainly.com/question/10618691

#SPJ1

6 0
2 years ago
Eva is going to the amusement park, where she has to pay a set price of admission and another price for tickets to go on each of
lyudmila [28]

Answer:

B. The change in the total amount if money for every one additional ride she goes on

Step-by-step explanation:

Given,

y = 26 + 1.5x, where,

y = total amount of money Eva will spend

x = number of rides Eva rides on

Thus,

Set price of admission into the amusement park = $26

Price per ride = $1.5

Therefore, the 1.5 I'm the equation can be said to be "the change in the total amount if money for every one additional ride she goes on".

4 0
3 years ago
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