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maria [59]
3 years ago
5

The Width of a rectangle is 2w+3. The length is equal to 4 times its width. Write an expression to represent the perimeter of th

e rectangle. Show how you determined your expression.

Mathematics
1 answer:
kupik [55]3 years ago
4 0
Since the perimeter is the sum of the length of all sides we multiply width and length by 2 and then add them together

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Y = 2X + 1 has a gradient of 2 write the equation of a line parallel to it?
nikdorinn [45]
If the gradient is the same the line will be parallel. Your answer is <span>Y=2x + 3 </span>
3 0
3 years ago
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How many solutions does the following equation have? -9(x+6)=−9x+108
Aleksandr-060686 [28]

Answer:

2 or 3 im not sure but choes 2

Step-by-step explanation:

7 0
2 years ago
At winstead elementary school 10.2% of the 88 boys have blue eyes and 5.3% of the 75 girls have blue eyes. What percent of the s
IrinaK [193]

Answer: ≈ 8%

Step-by-step explanation:

Total number of students = total number of boys + total number of girls

Total number of students = 88 + 75

Total number of students =  163

10.2% of the boys have blue eyes , this means that 10.2% of 88 have blue eyes

\frac{10.2}{100} x 88 = 8.976

Since we are dealing with humans , therefore , this means that 9 boys have blue eyes.

Also , 5.3% of the girls have blue eyes means that 5.3% of 75 have blue eyes. That is

\frac{5.3}{100} x 75 = 3.975 , therefore : 4 girls have blue eyes.

In total , 13 students have blue eyes

Therefore , to calculate the % of students that have blue eyes , we have :

13/163 x 100 = 7.975460123

Therefore : ≈ 8% of the students have blue eyes

7 0
3 years ago
Explain how this model represents the Pythagorean Theorem.
luda_lava [24]

Answer:

Phythagorean Theorem - a^2 + b^2 = c^2

Step-by-step explanation:

It represents the Pythagorean Theorem because in the model there is a right triangle and you can use the phythagoren theorem with any right triangle that has at least two known sides.

Since you know all the sides in this diagram, this would be true:


6^2 + 8^2 = 10^2

3 0
2 years ago
I need help with this question?????
inn [45]
(5 cases)/(2 3/8 hour)
(5 cases)/(19/8 hours)
(5*8/19) cases/hour....invert the fraction and multiply 1/(19/8 hour)=(8/19)/hour
40/19 cases/hour
2 2/19 cases/hour
3 0
3 years ago
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