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artcher [175]
3 years ago
8

Helppppppp plz god bless u 10 points

Mathematics
1 answer:
wariber [46]3 years ago
7 0

I believe D). 5 is the answer. If you clearly think about it, it actually might make sense. You just count the lines pointing from up to down.

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A grocery store buys items and then applies a markup of 70%. What is the retail price of item that originally costs $10?
Art [367]
The answer you are looking for would be 3 dollars
3 0
2 years ago
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Identify the phase shift of each function. Describe each phase shift ( use a phrase like 3 units to the left):
Temka [501]
ANSWER

Phase shift: 2 units right.

EXPLANATION

The given sine function is

y = - \sin(x - 2)

In mathematics, a horizontal shift may also be referred to as the phase shift.

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3 years ago
Which value, when placed in the box, would result in a system of equations with infinitly many solutions? Y=2x - 5 2y-4x=
Nezavi [6.7K]

Given:

The system of equations is

y=2x-5

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The missing value for which the given system of equations have infinitely many solutions.

Solution:

Let the missing value be k.

We have,

y=2x-5

2y-4x=k

Taking all the terms on the left side, the given equations can be rewritten as

-2x+y+5=0

-4x+2y-k=0

The system of equations a_1x+b_1y+c_1=0 and a_2x+b_2y+c_2=0 have infinitely many solutions if

\dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}

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a_2=-4,b_2=2,c_2=-k

Now,

\dfrac{-2}{-4}=\dfrac{1}{2}=\dfrac{5}{-k}

\dfrac{1}{2}=\dfrac{1}{2}=\dfrac{5}{-k}

\dfrac{1}{2}=\dfrac{5}{-k}

On cross multiplication, we get

-k=10

k=-10

Therefore, the missing value is -10.

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3 years ago
Math help is needed ps how is your day going ?
PtichkaEL [24]

Answer:

good.......

Step-by-step explanation:

nothing much

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