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navik [9.2K]
3 years ago
15

Y=-3x + 7? what is slope of line y

Mathematics
1 answer:
ipn [44]3 years ago
4 0

Answer:

-3

Step-by-step explanation:

coefficent of x enough to understand slope

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If y is proportional to x and y = -15 when x = -20, what is the value of x when y = 12?
alexandr402 [8]
Maybe i have that you wanted We can represent the situation like that: Y=-15 and x=-20 Then When y=12 x=? We make x(The unknown) *-15=12*(-20) We have an simple équation to solve Thus x=(12*(-20))/-15 X=16
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3 years ago
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Whats the value of x
fiasKO [112]

Answer:

x=14

Step-by-step explanation:

you should set up your problem like this:

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8 0
2 years ago
Ashley mixes two types of soft drinks with different types of concentration: one soft drink has 20% sugar and the other drink ha
ICE Princess25 [194]

Answer:

Sugar concentration of the mixed soft drink will be <em>32.5%.</em>

<em></em>

Step-by-step explanation:

Sugar concentration of first drink = 20%

Volume of first soda = 250 ml

Sugar in first soda = 20% of 250 ...... (1)

Sugar concentration of second drink = 45%

Volume of second soda = 250 ml

Sugar in second soda = 45% of 250 ...... (2)

Let x\% be the sugar concentration in resultant mixture.

Volume of mixture = 250 + 250 = 500 ml

Sugar in mixture = x\% of 500 ml ...... (3)

Total sugar concentration (Adding (1) and (2)) and equating it to equation (3):

20% of 250 + 45% of 250 = x\% of 500

\Rightarrow \dfrac{20}{100} \times 250 + \dfrac{45}{100} \times 250 =  \dfrac{x}{100} \times 500\\\Rightarrow 2 \times x = 65\\\Rightarrow x = 32.5\%

Hence, Sugar concentration of the mixed soft drink will be <em>32.5%.</em>

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3 years ago
Point P' is the image of the point P after a counterclockwise rotation of 90 degress about the origin. If the coordinates of poi
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Ok I will give brainliest the answer I can give her a
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I need your help pls. And if your not oo busy I have another one I need help with thx &lt;3
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Hi I’m not rlly good at math but there are apps that scan the question and it gives you the answer right away!
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