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anzhelika [568]
3 years ago
9

Pls, help with this!!!

Mathematics
2 answers:
Solnce55 [7]3 years ago
7 0

Answer:

The first one is 8/12.

Step-by-step explanation:Add numerator and keep denominator same.

wolverine [178]3 years ago
7 0

Answer:

5/12 + 3/12

Step-by-step explanation:

\frac{5}{12} + \frac{3}{12} = \frac{8}{12}

This is because when adding fractions with the same denominator, you just add the numerators.

The other answer choices do not equal 8/12...

\frac{2}{4} + \frac{3}{4} + \frac{3}{4} = \frac{8}{4} = 2

\frac{2}{3} + \frac{3}{4} + \frac{3}{5} = \frac{40}{60} + \frac{45}{60} + \frac{36}{60} = \frac{121}{60} = 2 \frac{1}{60}

\frac{4}{6} + \frac{4}{6} = \frac{8}{6} = \frac{4}{3} = 1 \frac{1}{3}

I hope this helps!

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A study showed that low intensity shock therapy reduces pain levels in patients with lupus.  during each session electrodes ar
Irina18 [472]

Answer:

it would be answer a

Step-by-step explanation:

that's all i have

4 0
3 years ago
Solve x^2 + x - 12 = 0
bogdanovich [222]

Answer:

x₁ = -4

x₂ = 3

Step-by-step explanation:

x²+ x + 12 = 0

x = {-1±√((1²)-(4*1*-12))} / (2*1)

x = {-1±√(1+48)} / 2

x = {-1±√49} / 2

x = {-1±7} / 2

x₁ = {-1-7} / 2 = -8/2 = -4

x₂ = {-1+7} / 2 = 6/2 = 3

Check:

x₁

-4² + (-4) - 12 = 0

16 - 4 - 12 = 0

x₂

3² + 3 - 12 = 0

9 + 3 - 12 = 0

6 0
1 year ago
In “Socialism vs. Capitalism: Which is the Moral System”, author C. Bradley Thompson refers to _____ as the only moral and just
frosja888 [35]

Answer:   B. Capitalism

Step-by-step explanation:

7 0
3 years ago
PLEASE HELP FIRST ANSWER IS THE BRAINLIEST ANSWER!!!
motikmotik

Step-by-step explanation:

There are no choices available, so here is a graph of that equation.  Simply compare it to the answer.

6 0
3 years ago
A farmer has 1,200 feet of fencing and wants to fence off a rectangular field that borders a straight river. He needs no fence a
iVinArrow [24]
Yay, derivitives
I'mma ignore that x is the shorter side because I don't know which one has to be shorter yet


we need to find the max area
but with 3 sides

area=LW
let's say the sides are z and y
zy=area

and the relatiionship between them is
hmm,
z+2y=1200
because one side has no fencing
so
z+2y=1200
solve for z
z=1200-2y
sub for z in other

(1200-2y)(y)=area
expand
1200y-2y²=area
take derivitive
1200-4y=dy/dx area
max is where dy/dx goes from positive to negative
solve for where dy/dx=0
1200-4y=0
1200=4y
300=y

at y<300, dy/dx<0
at y>300, dy/dx>0
so at y=300, that is the max

then
z=1200-2y
z=1200-2(300)
z=1200-600
z=600

so then
z=600
y=300
300<600

so the shorter side would be y

so then we see our choices and noticed that
erm
I think it is f(x)=1200x-2x²
takind the derivitive yeilds none of the others


so ya, you are right
6 0
3 years ago
Read 2 more answers
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