ILL MARK YOU AS BRAINLIEST, RATE YOU A 5, AND THANK YOU! 70 POINTS!what is the surface area of this rectangular prism? i-ready
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Answers

Answer 1
Answer:

Answer:

290 in²

Step-by-step explanation:

From the net:

S.A. = 2(25 in²) + 4(60 in²) = 50 in² + 240 in² = 290 in²

From the model:

The formula of a Surface Area of a rectangular prism:

S.A. = 2(lw + lh + wh)

l - length

w - width

h - height

We have l = 5 in, w = 5 in, and h = 12 in. Substitute:

S.A. = 2(5 · 5 + 5 · 12 + 5 · 12) = 2(25 + 60 + 60) = 2(145) = 290 in²

Answer 2
Answer:

Answer: 290 in.^2

Step-by-step explanation: Just did on iready. Hope i helped! (:


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Justin is 2 years older than one third marcellas age. aimee is four years younger then 2 times Justins age.Define a variable and wrute an expression to represent justins age. The. Justins age and Aimees age if Marcella is 63 years old

Answers

j=justin
marcella=m
aimee=a

j is 2 older than 1/3 of m
'of' means multiply
j=2+1/3m

a is 4 younger than 2 times j
a=-4+2j

represent justin's age?
dunno



ok so I can solve if I know m=63
j=2+1/3m
j=2+1/3(63)
j=2+21
j=23
subsitute
a=-4+2j
a=-4+2(23)
a=-4+46
a=42

justin is 23 and aimee is 42 if marcella is 63

Slope = 4/3, (-2, 11)

Answers

Answer:

y = (4)/(3) x + (41)/(3)

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

here m = (4)/(3), hence

y = (4)/(3) x + c ← is the partial equation

to find c substitute (- 2, 11) into the partial equation

11 = - (8)/(3) + c ⇒ c = (41)/(3)

y = (4)/(3) x + (41)/(3) ← equation of line


I really need help on this one...ASAP!I will try to answer your questions if you answer this soon asap! PLZZZZ!!!

What would a equal if 4(a+12) was 32?

Answers

4(a+12)=32
4a+48=32
4a=-16
a=-4
4(a+12)=32\n a+12=8\n a=-4

Fine the area of a circle with a radius of 7 in. Write the formula, substitute, solve.

Answers

Formula: A=(pi)r^2

Substitution: A=3.14(7^2)

                     A=3.14(49)

Solve: A=153.86 in^2


*I personally like to use the pi sign on my calculator to multiply the radius squared by, but my keyboard did not have a pi sign.  Usually, the pi sign is more exact.  If you used the pi sign, your answer would be 153.94 inches^2.  Hope this helps!

You drop a pencil out of window that is 20ft above the ground. Use the formula V^2=64s, where V is speed and s is the distance fallen, to calculate the speed the pencil is traveling when it hits the ground.

Answers

first you substitute in the values so you have
V^2=(64)20
then you just simplify it
V^2=1280
V=the square root of 1280
V= about 35.7770876
or
V=the square root of 256 times the square root of 5
V=16 times 
the square root of 5

also V would typically be called velocity. it's very similar to speed but it is just easier to remember because it starts with a V

Final answer:

Substituting the distance of 20ft (converted to approximately 6.096 meters) into the equation V^2=64s, we calculate that the pencil would hit the ground with a speed of approximately 31.4 m/s.

Explanation:

In this physics problem, we utilize the formula V^2=64s, which connects the speed (V) and the distance traveled (s). The step we are interested in involves substituting known values into our equation. Given that s

is an altitude of 20ft (which we convert to approximately 6.096 meters for consistency in units), we substitute this into our equation and solve for V. This yields V = √(64*6.096). By carrying out this square root, we determine that the pencil hits the ground at approximately 31.4 m/s.

Learn more about Falling Object Velocity here:

brainly.com/question/33714846

#SPJ11

The test scores of 40 students are listed below. Find P85.30 35 43 44 47 48 54 55 56 57
59 62 63 65 66 68 69 69 71 72
72 73 74 76 77 77 78 79 80 81
81 82 83 85 89 92 93 94 97 98

89

87

85

34

Answers

Answer:

Option A (89).

Step-by-step explanation:

Percentile is a statistic in which the an element at a certain percentage position is determined. To calculate the percentiles accurately, it is important that the data is present in the ascending order. Percentile is an important concept in data analysis. Interestingly, 50th percentile is the median of the data. The difference between the 75th and the 25th percentile is the interquartile range. To find the 85th percentile of the data, calculate 85% of 40, which is the number of elements in the data set. 40 * 85/100 = 34. The number on the 34th position is the 85th percentile of the data. It can be observed that 89 is on the 34th position. Therefore, Option A is the answer!!!

Answer:

87

Step-by-step explanation:

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