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Gnom [1K]
3 years ago
10

Y+5=_7x – 4) - Help !!

Mathematics
2 answers:
S_A_V [24]3 years ago
4 0

Answer:

so x = 0 and y = -9

Step-by-step explanation:

y +5 = -7 x - 4

Therefore y = -7 x -4 -5

  y = -7x -9

(-7 x - 9 )+5 = -7 x -4

-7 x + 7 x - 4 = -4

0x =-4 +4

0x = 0

so x = 0

y = 0 - 9

y = -9

so x = 0 and y = -9

artcher [175]3 years ago
4 0

Answer:

y=7x-9

Step-by-step explanation:

first you see if you can combine any like terms and in this case you can not so then you subtract 5 from the other side and end up with y=7x-9 and then you have the equation for slope intercept if that is what you are looking for if you need to find something else i do not know what to do sorry hope it helps a little

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However, since we have 3 sets of 4, what can we do with the two exponents to avoid expansion?
Anvisha [2.4K]

Answer:

To avoid expansion, you can just use the power of a power rule and multiply the two exponents from the start.

Step-by-step explanation:

(<em>x</em>^4)^3

= <em>x</em>^4×3

= <em>x</em>^12

4 0
3 years ago
A linear function contains the following points. X - 4 | 4 0 5 What are the slope and y-intercept of this function?
777dan777 [17]

Answer:

The answer is B.

Step-by-step explanation:

when x is 0, y is 5. So that is the yintercept and 4-5=-1 -4-0=-4 do 1/4

3 0
3 years ago
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Order these triangle with equal sides from least to greatest the triangles are equilateral scalene and isosceles
algol [13]

Answer:

equilateral

isosceles

scalene

7 0
3 years ago
Plz help me out :( I really can't fail this
sergey [27]

Answer:

99.37

Step-by-step explanation:

Brief Math lesson:

If you, for example, pay 10% of your income of $100 to charity and 5% of it goes to taxes,

The amount that goes to charity can be found by using:

10% * 100 = 0.1 * 100 = 10

And the amount for taxes is

5% * 100 = 0.05 * 100 = 5

So the total is 15 dollars. And then, subtract that from your salary, so you would earn 85 dollars

We can also just find it by finding how much of a total percentage is being taken and subtract that by 100. (because you would keep the rest of the money)

(100% - (10% + 5%)) * 100 = 85% * 100 = 85

Now, let's apply this information.

First, figure out how much you need to pay in taxes, social security, etc.

15% + 6.44% + 6.2% + 1.45% = 29.09% of your money is given away. So, you would keep 100% - 29.09%, which is 70.91% kept

10.01 dollars an hour at 14 hours is 10.01*14 = 140.14 dollars

Now, multiply the percent of salary you keep by your salary.

140.14 * 70.91% = 140.14 * 0.7091 = 99.373274

This is, rounded,

99.37

Hope this helps! Feel free to ask any questions!

7 0
3 years ago
What is the solution to the equation 2 (4 minus 3 x) + 5 (2 x minus 3) = 20 minus 5 x?
Zielflug [23.3K]

x = 3

Step-by-step explanation:

First we would simplify the left hand side of the equation by expanding the brackets

so 2(4-3x) = 8-6x and

5(2x-3) = 10x-15

This gives the left hand side as 8-6x+10x-15. So the overall equation becomes

8-6x+10x-15 = 20-5x.

Grouping the unknown values on one side and integers on one side of the equation gives us

8-15-20=6x-10x-5x (note the sign changes when numbers and unknown values are moved to the other side of the = sign

Solving further, -27 = -9x i.e x = -27/-9 = 3

Hence x = 3

7 0
4 years ago
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