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KIM [24]
2 years ago
11

Subtract 4x +5 from 2x-3​

Mathematics
2 answers:
SpyIntel [72]2 years ago
8 0

Answer:

\boxed{\bold{-2x-8}}

Step By Step Explanation:

[ Step One ] Remove Parenthesis: (a) = a

\bold{2x-3-\left(4x+5\right)}

[ Step Two ] Rewrite \bold{-\left(4x+5\right)}

\bold{-4x-5}

[ Step Three ] Rewrite Equation

\bold{2x-3-4x-5}

[ Step Four ] Simplify \bold{2x-3-4x-5}

\bold{-2x-8}

\boxed{\bold{Mordancy}}

Gnom [1K]2 years ago
3 0

Answer:

-2x-8

Step-by-step explanation:

2x-3 - (4x+5)

Distribute the minus sign

2x-3 -4x-5

Combine like terms

2x-4x-3-5

-2x-8

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A pharmacist wishes to mix a solution that is 6% Minoxidil. She has on hand 100 ml of a 2% solution and wishes to add some 8% so
son4ous [18]

Answer:

200 ml

Step-by-step explanation:

It's proportions basically.

frst off, 2% of 100 ml is 2 ml, so the 100 ml solution has 2 ml of Minoxidil.

Eventually we want 6/100 to be the porportion.  so the total is going to be 100 (from the initial 100 ml) plus however much is needed x.  And we want the amount of Minoxidil to be 2 + 8 percent of x.  so this gets us the equation

6/100 = (2 + .08x)/(100+x)  Then we solve

(100 + x) 6/100 = 2 + .08x

(100 + x) 6 = 200 + 8x

600 + 6x = 200 + 8x

400 = 2x

x = 200

so they should add 200 ml

You can check too.  there is 100 + 200 ml of solution total and 2 + 16 ml of Minoxidil so that's 18/300 = 6/100

6 0
3 years ago
A colony of ants carried away 14 of your muffins that was 2/3 of all of them how many are left
ZanzabumX [31]
If they took 2/3 away you have 1/3 left. you would have 7 left.
8 0
3 years ago
Read 2 more answers
suppose that a number written as a decimal has an infinite number of non- repeating digits after the decimal point. What is this
faltersainse [42]

Answer: Irrational number

If the decimal digits repeat forever, then the repeating decimal is considered rational.

For instance, 2/99 = 0.020202020202... where the "02" repeats forever

If we don't have such a pattern, then we cannot write the decimal as a fraction of two integers and the number is not rational. So it is irrational.

8 0
3 years ago
If f(x) = 5x + 40, what is f(x) when x = -5?<br> 0 -9<br> O-8<br> 07<br> 0 15
gogolik [260]

Good morning ☕️

______

Answer:

15

___________________

Step-by-step explanation:

f(x) = 5x + 40

then

f(-5) = 5(-5) + 40

= -25 + 40

= 40-25

= 15.

:)

3 0
3 years ago
The expression 3x^3-5x^2+3x-1 has ___ terms and a constant of ____.
Andrews [41]
<span>The expression 3x^3-5x^2+3x-1 has ___ terms and a constant of ____.
have four terms and 1 constant
</span>
5 0
3 years ago
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