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creativ13 [48]
3 years ago
15

PLEASE HELP!

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
6 0
See photo for solution and mark me as brainliest if you think i helped!

Anika [276]3 years ago
3 0

Answer:

k=-7/5

Step-by-step explanation:

you have the point A(5,6)

from this point we know that: x=5 and y=6

so we must substitute this into the equation 2y+kx=5, and this is how we will find which value of k makes true that the point (5,6) belongs to the graph.

So substituting x=5 and y=6:

2y+kx=5\\2(6)+k(5)=5\\12+5k=5\\

and we clear for the variable k:

5k=5-12\\5k=-7

and thus, k is:

k=-7/5

the value for k must be -7/5.

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Is there a solution to 0.21 (3x + 3) + 4 <br> =26
bonufazy [111]

Answer:

x = 33.92.

Step-by-step explanation:

0.21 (3x + 3) + 4 = 26

Distribute the 0.21 over the parentheses:

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x = 21.37 / 0.63

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3 0
2 years ago
The length of a rectangle is 1 less than twice the width. Write the equation that could represent the area of the rectangle in t
Ipatiy [6.2K]

Answer:

(W2-1)xW

Step-by-step explanation:

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8 0
3 years ago
| 1. Write the list of numbers in ascending order.<br> &amp;, 12%, 0.13, 1/8, )<br> 128/1,000)
Aleks04 [339]

Answer:

12%, 1/8, 128/1,000, 0.13

Step-by-step explanation:

12% = .12

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0.13

8 0
3 years ago
A hog producer is feeding soybean meal and corn to his pigs. He needs to know how many pounds he needs to feed of each in order
Mazyrski [523]

Answer:

Feed 1, Soybean meal required =  \dfrac{2000}{3} \text{ lbs.}

Feed 2, Corn meal required = \dfrac{4000}{3} \text{ lbs.}

Step-by-step explanation:

Total feed is <em>1 ton</em> i.e. <em>2000 lbs</em>.

Let <em>x</em> be the amount of Feed 1 required.

Feed 1 has 45\% of protein.

\text{Protein in Feed 1 = }x \times \dfrac{45}{100} ..... (1)

Then, amount of Feed 2 required = (2000 - x) \text{ lbs.}

Feed 2 has 15\% of protein.

\text{Protein in Feed 2 = }(2000 - x) \times \dfrac{15}{100} ..... (2)

As per question, total protein required is 25\% of 2000 lbs .

Adding (1) and (2) and putting it equal to total protein required.

\Rightarrow x \times \dfrac{45}{100} + (2000 - x) \times \dfrac{15}{100} = 2000 \times \dfrac{25}{100}\\\Rightarrow 45x + 30000 - 15x = 50000\\\Rightarrow 30x = 20000\\\Rightarrow x = \dfrac{2000}{3}

Feed 1 required = \dfrac{2000}{3}\text{ lbs .}

Feed 2 required = 2000 - \dfrac{2000}{3}\\

\Rightarrow \dfrac{4000}{3}\text{ lbs.}

7 0
3 years ago
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