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Agata [3.3K]
3 years ago
6

Help please

Mathematics
1 answer:
Ratling [72]3 years ago
7 0

Answer:

B 12√7

Step-by-step explanation:

please mark brainliest! hope it helped!

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(Joel uses the incorrect expression 0.95(190)(0.8) to calculate his total. He finds that the tablet will cost him a total of $14
KengaRu [80]
Joel took OFF 5% to get 95%, or 0.95 instead of ADDING 5% to get 105%, or 1.05. 1.05(190)(0.8) = 159.60
4 0
3 years ago
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Svetach [21]

Answer:

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Step-by-step explanation:

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Which equation does NOT represent a proportional relationship between two variables with the constant of proportinality of? 1/2
Dimas [21]

Answer:

(D) y=x+\frac{1}{2}

Step-by-step explanation:

Two variables x and y are proportionally related  if they can be written in the form y=kx, where k is the constant of proportionality.

From the given options, if k=\frac{1}{2}

(B)y=\frac{1}{2}x is of the form y=kx

(C)y=\frac{3}{6}x is of the form y=kx with k=\frac{1}{2} as \frac{3}{6}=\frac{1}{2} in its lowest form.

(C)y=0.5x is of the form y=kx with k=\frac{1}{2} as 0.5=\frac{1}{2} in fractional form.

On the Contrary,

In Option D, y=x+\frac{1}{2} does not represent a proportional relationship between x and y. The constant of proportion is supposed to be a product of x.

6 0
4 years ago
Write a decimal that represents the value of one 1.00 bill and 5 quarters
oee [108]
$1.00

5 quarters=$1.25
5 0
3 years ago
WHAT IS THE SLOPE IF I HAVE (-3,5) AND (4,-5)
irina [24]

Answer:

-10/7

Step-by-step explanation:

Use slope formula

\frac{y2-y1} {x2-x1}

x1= -3

y1 = 5

x2 = 4

y2 = -5

\frac{-5-5}{4--3}

<h2>\frac{-5 + -5}{4 +3}</h2>

\frac{-10}{7}

4 0
3 years ago
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