Which is an irrational number?A.
1 14
B.
−51
C.
16/8
D.
15

Answers

Answer 1

Answer: The irrational number is -51 because it is negative and the There aren't. Hope this helped.

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What is 40% of $2.20...

Scientific notation of 0.000105

Answers

1.05 * 10^-4 is the answer. When you move the decimal to the right the power is negative. Also, there needs to be at least one number in front of the decimal to make it a scientific notation.

The volume of a cube is 27 cubic inches. What is thelength of one edge of the cube?
Type your answer below (do not include units). If your
answer is a decimal, round it to the nearest
thousandth.

PLEASE ANSWER ASAP! NEED FOR RIGHT NOW

Answers

Answer:

The length would be 3

Step-by-step explanation:

length x width x height = 27

3 x 3 x 3 = 27

5 less than 3 times a number z how would you write an algebraic expression

Answers

Answer:

3z-5

Step-by-step explanation:

3 times a number z = 3z

5 less than this is -5

3z-5

Your answer would be 3z-5

How many angle does a stop sign have

Answers

A stop sign has 8 angles.

A stop sign has eight angles

7 times as much as the sum of 1/3 and 4/5

Answers

First of all, you add 1/3 and 4/5, so you get:
$(1)/(3) + (4)/(5)$

To add 2 fractions, they need to have the same denominator. Since 3 and 5 don't have a common factor, so you multiply 1/3 by 5, and 4/5 by 3, so you get:
$(1*5)/(3*5) + (4*3)/(5*3)$
$(5)/(15) + (12)/(15)$

Now, the two fractions got the same denominator, and you can add them by adding the numerators over the same denominator. (You don't add denominators in addition) so you get:
$(5+12)/(15)$
$(17)/(15)$

That's the sum of 1/3 + 4/5.

Now, they want the sum of the 2 fractions 7 times. So you multiply 17/15 by 7. And as you know, 7 = 7/1. So you get:
$(17)/(15) * (7)/(1)$

In multiplication no need to have the same denominator. You multiply nominators by nominators and denominators by denominators. So you get:
$(17*7)/(15*1)$
$(119)/(15)$

Since 119 and 15 don't have a common factor, so they can't be simplified.
So, the answer is 119/15.

Hope this Helps! :D

What you have to do first is to add $(1)/(3)$ and $(4)/(5)$ ,

Further Explanation

Therefore we have:

= $(1)/(3)$ + $(4)/(5)$

= ( $(1)/(3)$ + $(4)/(5)$ ) / 15 (15 is the smallest number that divide both denominator also known as LCD)

= (5 x 1) + (3 x 4) / 15

= 5 + 12 / 15

= $(17)/(15)$

Therefore, the sum of $(1)/(3)$ + $(4)/(5)$ is $(17)/(15)$

But since the question says you should determine the sum of the 2 fractions, therefore you should multiply $(17)/(15)$ by 7. Therefore you should have:

$(17)/(15)$ X 7 (7 can also be expressed as $(7)/(1)$ )

= $(17)/(15)$ x $(7)/(1)$ (notably, in multiplication there is no need for the fraction to have the same denominator. You can multiply both numbers at the top together (numerator) and do same with the denominator.

= $(119)/(15)$

= $7(14)/(15)$

Therefore, 7 times as much as the sum of $(1)/(3)$ and $(4)/(5)$ is $7(14)/(15)$

LEARN MORE:

7 times as much as the sum of 1/3 and 4/5 brainly.com/question/1063624
7 times as much as the sum of 1/3 and 4/5 brainly.com/question/282415

KEYWORDS:

multiplication
addition
sum
denominator
numerator

19. Jessie is building a ramp for loading motorcyclesonto a trailer. The trailer is 2.8 feet off of the
ground. To avoid making it too difficult to push a
motorcycle up the ramp, Jessie decides to make the
angle between the ramp and the ground 159. To the
nearest hundredth of a foot, find the length of the
ramp.
A. 10.82 feet
B. 2.90 feet
C. 0.72 feet
D. 10.45 feet

Answers

Answer:

A. 10.82

Step-by-step explanation:

Final answer:

When using trigonometry to solve for the length of a ramp given the height of the trailer and the angle of the ramp, we use the sine of the angle, defined as the ratio of opposite side to the hypotenuse. The length of the ramp, or hypotenuse, was found to be approximately 0.72 feet.

Explanation:

This question is about trigonometry, a branch of mathematics that deals with the relationships between the sides and angles of triangles. In this case, we are given the height of the trailer (2.8 feet) and the angle between the ramp and the ground (159 degrees).

We are asked to find the length of the ramp, which is the hypotenuse of the triangle formed by the ramp, the ground, and the trailer. This can be found by using the sine of the angle, defined as the ratio of the opposite side (the height of the trailer) to the hypotenuse (the ramp length).

Using the equation sin(159) = 2.8 / ramp-length and solving for ramp-length by multiplying both sides by ramp-length and then dividing by sin(159), we find that the length of the ramp is approximately 0.72 feet.

So, the correct answer is C. 0.72 feet.