How would u write three times a number x

Answers

Answer 1
Answer: Can write 3x or 3(x) or 3•x
Answer 2
Answer: Three Times A Number X Is The Same As Doing:
3X. 
However, If It Said:
Three Times A Number Plus X, It Would Be Something Like:
3Y+X.
I Hope This Helps!

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A square is always, sometimes, or never a rhombus?
Jackson weighed 6 pounds 3 ounces when he was born. When he was 4 weeks old, he weighed 128 ounces. How much weight did jacskon gain in those 4 weeks?
M∠LMJ = 162°; m∠JMI = 18°If ∠KMJ and ∠JMI are complementary angles, then what is the measure of ∠KMJ

What is the lateral area of a rectangular prism with a base length of 16 m, a base width of 8 m, and a height of 4 m? A.
48 m2

B.
192 m2

C.
52 m2

D.
512 m2

Answers

Answer:  B. 192\ m^2

Step-by-step explanation:

The lateral area of a rectangular prism is given by :-

\text{Lateral Area}=2h(l+w), where h is the height, l is the length and w is the width of the rectangular prism.

Now, using the given information, the lateral area of the rectangular prism will be :-

\text{Lateral Area}=2(4)(16+8)=8(24)=192\ m^2

B. because you do 16*2*h + 8*2*h and you get 128 + 64 = 192

Find the difference. express your answer in simplest form. (4r/s) - (r/s)

Answers

For this case we have the following expression:
 (4r / s) - (r / s)
 We observe that we have the term r / s in the whole expression.
 Therefore, we can draw common factor.
 Rewriting we have:
 (r / s) * (4-1)
 (r / s) * (3)
 3 (r / s)
 Answer:
 
the difference is:
 
3 (r / s)
your answer would be 4 because r/s - r/s would be 0 so you have 4 left hope this helps you!!!!

1.1. Kalvin always has cereal for breakfast. He likes Cocoa Blast cereal, but his mother wants him to eat Heath Nut Flakes at least some mornings.Kalvin and his mother agree to leave the cereal problem to chance. Each morning Kalvin tosses a coin. If the coin lands on heads, he will have Cocoa Blast. If the coin lands on tails, he will have Heath Nut Flakes.

1.2. Kalvin wants to find something else to toss that will give him a better chance of eating his favorite cereal each morning. He wonders if a paper cup would be a good thing to toss.

Because Kalvin wants to eat Cocoa Blast more of the time, he needs to determine if the cup lands in one position more often than another. If so, he will ask to toss a paper cup instead of a coin.

1. Kalvin tosses a paper cup once a day for a year to determine his breakfast cereal. Use your results from problem 1.2 to determine the following.

a. How many times do you expect the cup to land on its side? On one of its ends?

b. How many times do you expect Kalvin to eat Cocoa Blast in a month? In a year? Explain.

The cup lands on its side 80%(0.8) of the time, while it lands on its edges 20%(0.2) of the time, Heads on a coin would be equal to the cup landing on its side, and landing on its edges would be equal to a coin landing on tails.

Answers

A. 292 days on its side, 73 on its ends

B. 292 days of the year and depends on how many days are in the month

Find the area of an equilateral triangle of perimeter 30 cm

Answers

Answer:

43.30cm²

Step-by-step explanation:

Use Herons formula

S = (a+b+c)÷2

Where a, b, c is the sides of the triangle

If perimeter is 30cm

Since it's an equilateral triangle, all sides are equal.

Then

Perimeter = 3a = 30

a = 30/3 = 10cm

b = 10cm , c = 10cm

Therefore ,s=  (10+10+10)÷2 = 30÷2 = 15cm

From Herons formula

Area = square root of s(s-a)(s-b) (s - c)

Area = sq rt 15(15 - 10)(15 - 10)(15 - 10)

Area = sq rt 15.× 5 × 5 ×5

Area = sq rt 1875

Area = 43.30cm²

I hope this was helpful, please rate as brainliest

Answer:

≈ 43.3 cm²

Step-by-step explanation:

The area (A) of an equilateral triangle is calculated as

A = (s^2√(3) )/(4) (  s is the side length )

The 3 sides of an equilateral triangle are congruent, thus

s = 30 ÷ 3 = 10 cm

A = (10^2√(3) )/(4) = (100√(3) )/(4) = 25√(3) ≈ 43.3 cm²

If a full dose of medicine is 560mg,how much is 80% of a dose

Answers

560 X 0.8 = 448. 488 is 80% of a dose

at 3:00 am, the temperature was -13 degrees. in alaska. At 10:00 am, the temperature was 22 degrees, what was the average change in temperature per hour?

Answers

If you go from -13 to 0, you have an increase of 13 degrees. Then if you go from 0 to 22 you have an increase of 22 degrees. 13 + 22 = 35.
3:00 am to 10:00 am is 7 hours so:
35 degrees/7 hours = 5 degrees/hour
Also english is my second langauge so sorry if it's hard to understand
So,  there is a 7 hour span.  There is 35 degree change total.  So solve. Take 37/7=5
5 is the average