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IrinaVladis [17]
3 years ago
7

The length of a rectangle is 4 times the width. the area is 256 square centimeters. find the length and width of the rectangle.

Mathematics
2 answers:
Stella [2.4K]3 years ago
8 0

Answer:

Width=8

Length=32

Look at the GCF of 256

Step-by-step explanation:

sukhopar [10]3 years ago
3 0
Width=8
Length=32

Look at the GCF of 256
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faust18 [17]

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2 years ago
Whats 1/10 of 6,000<br><br><br>​
Katen [24]

Answer:

600

Step-by-step explanation:

(1 / 10) * 6000

That's it!

6 0
3 years ago
Which equation represents the horizontal line passing through (5, 3)?
Viktor [21]

Step-by-step explanation:

General equation for horizontal line: y = a

Since the point (5, 3) has y-value 3,

the equation of the horizontal line is y = 3.

7 0
2 years ago
rock is thrown upward with a velocity of 27 meters per second from the top of a 23 meter high cliff and it misses the cliff on t
ahrayia [7]

the rock will be at 11 meters from the ground level after 5.92 seconds

Step-by-step explanation:

The motion of the rock is a free-fall motion, since the rock is acted upon the force of gravity only. Therefore, it is a uniformly accelerated motion, so its position at time t is given by the equation:

y=h+ut+\frac{1}{2}at^2

where

h = 23 m is the initial height

u = 27 m/s is the initial velocity, upward

a=g=-9.8 m/s^2 is the acceleration of gravity, downward

t is the time

We want to find the time t at which the position of the rock is

y = 11 m

Substituting and re-arranging the equation, we find

11=23+27t-4.9t^2\\4.9t^2-27t-12=0

This is a second-order equation, which has solutions:

t=\frac{27\pm \sqrt{(-27)^2-4(4.9)(-12)}}{2(4.9)}=\frac{27\pm \sqrt{964.2}}{9.8}

So

t_1 = -0.41 s

t_2=5.92 s

The first solution is negative so we neglect it: therefore, the rock will be at 11 meters from the ground level after 5.92 seconds.

Learn more about free fall:

brainly.com/question/1748290

brainly.com/question/11042118

brainly.com/question/2455974

brainly.com/question/2607086

#LearnwithBrainly

8 0
3 years ago
A 90% confidence interval for the average weight (in pounds) of Americans was found to be (185, 210). The point estimate for thi
Lynna [10]

Answer:

B. 12.5

Step-by-step explanation:

We have the lowe confidence interval = 185

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Mean of X = (lower confidence + upper confidence interval)/2

Mean of X = 185 + 210/2

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The margin of error = the upper confidence interval - mean of X

= 210-197.5

= 12.5

3 0
3 years ago
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