3 years ago

What is the product for 3-7x

Mathematics

2 answers:

Arlecino [84]3 years ago

4 0

Answer:

=3/7 × -2/5

=-6 / 35

Step-by-step explanation:

zhannawk [14.2K]3 years ago

3 0

Answer:=3/7 × -2/5

=-6 / 35

Step-by-step explanation:

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3 years ago

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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

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For student 1:

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

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

For student 2:

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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.

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brainly.com/question/2764830

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4 years ago

A sailboat travels a distance of 2 1/2 miles in 1/6 of an hour. Which complex fraction represents the unit rate in miles per hou

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3 years ago

Which expression shows the correct multiplication of the following polynomilas? 3x(6x^2-3x+7)

snow_tiger [21]

Answer: 18x^3-9x^2+21x

Solution:

3x(6x^2-3x+7)=

Applying the distributive property in the multiplication to eliminate the parentheses:

(3x)(6x^2)+(3x)(-3x)+(3x)(7)=

(3*6)x^(1+2)+3*(-3)x^(1+1)+(3*7)x=

18x^3-9x^2+21x

8 0

3 years ago

What is the product for 3-7x​

What is the product for 3-7x