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3 years ago

0.5y+4=7 can some one please help me with this problem it will be great.

Mathematics

2 answers:

Brut [27]3 years ago

7 0

Answer:

If u have to find the value of y it is y=6

Step-by-step explanation:

Rainbow [258]3 years ago

5 0

Answer:

Step-by-step explanation:

0.5y+4=7

0.5y=7-4

0.5÷0.5y=3÷0.5

y=6

( if they want tha value of y)

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The teacher asked 4 students to measure 4 different objects. The table shown represents their measurements. Which student had th

Maru [420]

Student 4 has the largest percent error.

Step-by-step explanation:

The percent error of a measurement is given by

$p=\frac{|x-x_{true}|}{x_{true}}\cdot 100$

where

x is the value of the measurement

$x_{true}$ is the actual value

For student 1:

$x=49\\x_{true}=50$

Percent error:

$p=\frac{|49-50|}{50}\cdot 100=0.02\cdot 100=2\%$

For student 2:

$x=25.5\\x_{true}=25$

Percent error:

$p=\frac{|25.5-25|}{25.5}\cdot 100=0.0196\cdot 100 = 1.96\%$

For student 3:

$x=7.5\\x_{true}=8$

Percent error:

$p=\frac{|7.5-8|}{8}\cdot 100=0.0625\cdot 100 = 6.25\%$

For student 4:

$x=2.1\\x_{true}=1.6$

Percent error:

$p=\frac{|2.1-1.6|}{1.6}\cdot 100=0.3125\cdot 100 = 31.25\%$

So, student 4 has the largest percent error.

Learn more about errors:

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4 0

4 years ago

1 27 points from 35 points.

pishuonlain [190]

Answer:

127 from 35

127 - 35

Step-by-step explanation:

6 0

3 years ago

Simplify 0.3 + 1 3/4

timama [110]

The answer would be 1.2/7

6 0

3 years ago

a parallelogram has vertices E(-3,1) F(0,2) G(-5,5) and H(-2,6) what are the coordinates of te midpoint of each diagonal

sesenic [268]

in parallelogram EFGH

the mid point of diagonal EG is

(-3-5)/2,(1+5)/2=(-4,3)

similarly the midpoint of diagonal FH is

(0-2)/2,(2+6)/2=(-1,4)

4 0

3 years ago

Y=7x-3. y=-7x+3<br><br> What type of solution is this?

aivan3 [116]

One solution: (3/7, 0)

6 0

3 years ago