What is the surface area of a rectangular prism with a length of 3 mm, a width of 5 mm, and a height of 8 mm?mm2

Answers

Answer 1
Answer: 158, because to solve this question we first need to know the formula for finding the surface area of a rectangular prism which is A=2(wl+hl+hw) then you just need to input the numbers like so A=2(5*3+8*3+8*5) then when you simplify this down you get A=2(79) then distribute like so so A=158

Enjoy!=)

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The products of 0.42 with 0.2 can be written in fraction?Yes or no and whats the right fraction i keep get it wrong​
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Find the sum of 137 and -354​

21z^2+85z-26=0
Please solve using factoring

Answers

trial and error
either
(z )(21z )
(3z )(7z  )
and ending with
( -1)( 26)
( -26)( 1)
( -2)( 13)
( 2)( -13)
trial enderor


after some times
(3x+13)(7x-2)=0

set to zero
3x+13=0
3x=-13
x=-13/3

7x-2=0
7x=2
x=2/7

x=-13/3 or 2/7
it would be easier to use quadratic formula though

Chang 0.83 into a fraction

Answers

answer: 83/100

there you go!!!!

Hope it helps

Create a “fraction” with 0.83 in the numerator and 1.0 in the denominator:

0.83/1.0

Move the decimal point in 0.83 two places to the right to turn it into a whole number; move the decimal point in the denominator the same number of places. Do this one decimal place at a time:

0.83/1.0=8.3/10.0=83/100

At this point, you can drop the decimal points and trailing zeros in both the numerator and denominator.

Find the quotient –88 ¸ 11.
a. –10
b. –7
c. –8
d. –3

Answers

-8 is the quotient of -88 and 11. 

For what value of θ, in degrees, is sin θ = cos 58°?

Answers

Answer:

The value of \theta is, 32 degree.

Step-by-step explanation:

Given the equation:

\sin \theta = \cos 58^(\circ)

We have to find the value of \theta

Using the rule:

\cos (90-\theta) = \sin \theta

then;

\cos (90-\theta) = \cos 58^(\circ)

Comparing both sides we have;

90^(\circ)-\theta = 58^(\circ)

Subtract 90 from both sides we have;

-\theta = -32^(\circ)

Simplify:

\theta = 32^(\circ)

Therefore, the value of \theta is, 32 degree.

Hope you can see and understand what I wrote

Two sides of a triangle have lengths 10 and 15. What must be true about the length of the third side? less than 25 / less than or equal to 25 /equal to 25/ more than 25

Answers

The length of the third side of a triangle is always less than the sum of the other two legs. Therefore if we add the two legs we obtain,

leg 1 + leg 2

10 + 15 = 25

Since the sum of the legs is 25, thus, the third leg should be less than 25. 

Answer:

A. Less than 25.

Step-by-step explanation:

Let x represent 3rd side of triangle.

We have been given hat two sides of a triangle have lengths 10 and 15.

We will use triangle inequality theorem to find the 3rd side of the triangle. Triangle inequality theorem states that 3rd side of a triangle must be less than the sum of other two sides of triangle.

Using triangle inequality theorem, we can set following inequalities:

x+10>15

x+10-10>15-10

x>5

Therefore, the length of third side should be greater than 5.

10+15>x

25>x

x<25

Therefore, the length of third side should be less than 25 and option A is the correct choice.

Dr. Jimand poses as a student in his study of Bosnian students who are adjusting to college life in the United States. Dr. Jimand lives in the dorm with the students and attends classes with them. What research method is he using?A. formal experimentation
B. survey method
C. clinical method
D. naturalistic observation

Answers

Answer:

D. naturalistic observation

Step-by-step explanation:

Naturalistic observation is a method of research that consists in observing subjects in their natural environment without any exterior interferences that could alter their behavior. By posing as a student, Dr. Jimand is inserting himself among the other students to observe their natural behavior. For instance, if they were told that there was a doctor observing them, the students' behavior could change and that wouldn't be a true naturalistic observation.