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Tanzania [10]
3 years ago
9

Find y if 3х + 4y = 1

Mathematics
2 answers:
olganol [36]3 years ago
7 0

Answer:

y = 1/4

Step-by-step explanation

Find Y set x=0

3(0)+4y = 1

        4y = 1

         y  = 1/4

const2013 [10]3 years ago
5 0

Answer:

y=1/4-3/4y

Step-by-step explanation:

rearrange the equation

4y=1-3x

divide both sides by 4 to get the value of y

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One container is filled with a mixture that is 30%acid a second container is filled with a mixture that is 50%acid the second co
julsineya [31]

Answer:

The amount of acid in third container is =42%

Step-by-step explanation:

Given , one container is filled with a mixture that is 30% acid a second container filled with a mixture that is 50% acid and the second container 50% larger than the first .

Let, the volume of first container is = x

Then , the volume of second container = (x+ x of 50%)

                                                                 = x + 0.5 x

                                                                 = 1.5 x

Therefore the amount of acid in first container =x \times \frac{30}{100} = 0.3 x

The amount of acid in second container =1.5x \times \frac{50}{100}  = 0.75x

Total amount of acid= 0.3x + 0.75x = 1.05 x

Total amount  of solution = x+1.5x = 2.5x

The amount of acid in third container is = \frac{1.05x}{2.5x} \times 100% %

                                                                     = 42%

4 0
3 years ago
In percent, the “whole” is 100. What is the “whole” in decimal form?
tekilochka [14]

1. You divide by 100 to find the decimal version of any percentage, and do the opposite for vise versa

8 0
3 years ago
Help me please I need this done by tomorrow!!!!
Reptile [31]
12) 12, 8

12 - 8 = 4

12 + 8 = 20

Answer: 4 < x <span>< 20

13) 11, 3

11 - 3 = 8

11 + 3 = 14

Answer: 8 </span>< x <span>< 14

Hope this helps :)</span>
3 0
3 years ago
A dog has a 25 ft leash attached to a corner where a garage and fence meet. When the dog pulls the leash tight and walks from th
dalvyx [7]

Answer: 170^{\circ}

Step-by-step explanation:

Given

The dog has a 25 ft leash

Arc length is 74.3 ft

Arc length is given by

l=\dfrac{\theta }{360^{\circ}}\times 2\pi r

here, r=25 ft

l=74.3 ft

Put the values

\Rightarrow 74.3=\dfrac{\theta }{360^{\circ}}\times 2\pi \times 25\\\\\Rightarrow \theta =170.2^{\circ} \approx 170^{\circ}

The measure of the angle is  170^{\circ}

7 0
2 years ago
You are an urban planner assessing the growth of a city. Ten years ago, the city's population was 250,823. Its current populatio
Tanzania [10]

Answer:

I just answered it

Step-by-step explanation:

6 0
3 years ago
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