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Alik [6]
2 years ago
10

Right and solve multiplication equations

Mathematics
2 answers:
IgorLugansk [536]2 years ago
7 0

Answer:

45

Step-by-step explanation:

15 =  \frac{1}{3} x \\ 15 \times 3 = x \\ x = 45

WITCHER [35]2 years ago
6 0

Answer:

45

Step-by-step explanation:

Divide both sides by 3

then it will be X=15×3

. =45

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8. myles had 103 coins in a jar - all nickels, dimes, and quarters. if the total value of the coins is $15
Ivanshal [37]

If the total value of the coins is $15. The number of each type of coin is: 31 quarters, 72 dimes.

<h3>Number of each type of coin</h3>

Let D = number of dimes

Let Q = the number of quarters

Equations

d + q = 103

0.10d + 0.25q = 15  

d = 103 -q

0.10(103 -q) + 0.25q = 15

10.3 - 0.10q + 0.25q = 15

0.15q = 4.7

q=4.7/0.15

q=31 quarters

Substitute q into second equation

D+31=103

D=72 dimes

Therefore the number of each type of coin is: 31 quarters, 72 dimes.

Learn more number of each coin here:brainly.com/question/13934075

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5 0
2 years ago
Please help me asap!
bazaltina [42]

Answer:

Value of A is -1

Value of B is 1

7 0
2 years ago
What is the f(n) runtime of the following pseudocode: sum = 0 for A = N/2 downto 1 for B = 1 to 4N increment sum by B
nikitadnepr [17]

Answer:

f(N) = 2+ N/2 + 6N² units of time.

Step-by-step explanation:

Assigning 0 to the variable sum takes one unit of time.

Each time you increment sum by B, you need to call the value of sum, sum it to B and assign it to sum, which takes three units of time in total. You are repeating this process for each value of B which ranges from 1 to 4n and for each value of A which ranges from 1 to n/2. Opening the FOR takes also another unit of time, so, as a result, we have

f(N) 1 + 1 (open the FOR in A)+ N/2*(1 (open the FOR in B) + 4N*3) = 2+ N/2 + 6N² units of time. It has order complexity O(N²).

5 0
3 years ago
In math :
gizmo_the_mogwai [7]
1)how calendar relate to math? 
<span>The numbers.
You need to be able to know the date, how many days till this, so you add, how many more till this, add again, and more.
2) how cooking relate to math? 
Measurements.
For example:
2 eggs
1/4 cup of flour
and 
2/4 cup of milk.
You need to be able to calculate and know your measurements. Which math helps you with/
</span><span>3)how time / weather /money relate to math? 
</span>Time: Numbers.
Weather: Patterns and time. 
Money: Lots and lots of math.
Adding subtracting dividing multiplying and so much more.


8 0
3 years ago
Read 2 more answers
Thirty-five sophomores, 69 juniors and 24 seniors are randomly selected from 461 sophomores, 328 juniors and 558 seniors at a ce
LekaFEV [45]

Answer:

Stratified sampling technique(A)

Step-by-step explanation:

From the question, the population of an high school from which selection was made equals 461 sophomores, 328 juniors and 558 seniors.

35 sophomores, 69 juniors and 24 seniors are randomly selected. The technique used in selecting is Stratified sampling technique. This is because stratified sampling involves dividing the entire population into stratas and then selects a final sample randomly from the different strata. This means that a smaller part of the entire population is used as a sample in drawing conclusions for the entire population.

7 0
3 years ago
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