1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sauron [17]
3 years ago
8

Can somebody plz help answer this question correctly (only if u know how to do it) thanks lol :)

Mathematics
1 answer:
lana66690 [7]3 years ago
7 0

Answer:

Multiple answers in Step-by-step explanation

Step-by-step explanation:

x+y = 10

1 + 9 = 10

2 + 8 = 10

3 + 7 = 10

4 + 6 =10

5 + 5 = 10

x - y = 2

4 - 2 = 2

8 - 6 = 2

10 - 8 = 2

12 - 10 = 2

22 - 20 = 2  

You might be interested in
What is the unit rate for 4 gallons
svet-max [94.6K]

Answer:

completing the division operation: numerator divided by denominator.

Step-by-step explanation:

If you have a rate, such as price per some number of items, and the quantity in the denominator is not 1, you can calculate unit rate or price per unit by completing the division operation: numerator divided by denominator.

3 0
2 years ago
The sum of an unknown and eight is twenty. What is the unknown?<br>​
Zarrin [17]

indicates subtraction

20 - 8 = 12

4 0
2 years ago
Read 2 more answers
If the unit selling price is $2.50 and the unit cost is $1.00, what action is needed to maintain the gross margin percentage whe
REY [17]
Get the gross margin percentage of cost and multiply it to the new unit cost to get maintain the same gross margin percentage of cost.

Units Selling Price :  2.50    
Unit Cost                - <u>1.00</u>
Profit Margin          :  1.50

Gross profit margin % on sales: 1.50 / 2.50 = 0.60 x 100% = 60%
Gross profit margin % on cost : 1.50 / 1.00 = 1.50 x 100% = 150%

If the cost increase by $0.25 
Unit cost : 1.00 + 0.25 = 1.25

1.25 * 150% = 1.875 gross margin.

Gross margin + Unit Cost = Unit Price
1.875             + 1.25        = 3.125

Gross margin % on sales : 1.875 / 3.125 = 0.60 x 100% = 60%
Gross margin % on cost   : 1.875 / 1.25   = 1.50 x 100% = 150%


8 0
4 years ago
A cube with a side length of 1008 units is dropped and completely submerged in a cube-shaped container. If the water level in th
Anni [7]

Answer:

The length of a side of the cube-shaped container is 2,016 units

Step-by-step explanation:

step 1

Find the volume of a cube with a side length of 1008 units

The volume of a cube is equal to

V=b^3

where

b is the length side of the cube

we have

b=1,008\ units

substitute

V=(1,008)^3\ units^3

step 2

Find the length side of the cube-shaped container  

Let    

x-----> the length side of the cube-shaped container in units

we know that

The area of the base of the cube-shaped container multiplied by 252 units must be equal to the volume of the cube with a side length of 1008 units

so

x^{2} (252)=(1,008)^3

solve for x

x^{2} =\frac{(1,008)^3}{252}

x^2=4,064,256

x=\sqrt{4,064,256}

x=2,016\ units

therefore

The length of a side of the cube-shaped container is 2,016 units

5 0
3 years ago
A population of values has a normal distribution with μ = 247 and σ = 62.2. You intend to draw a random sample of size n = 16. (
nadya68 [22]

Answer:

a) z = \frac{295.2-247}{62.2}=0.772

And using the normal distribution table or excel we got:

P(Z>0.772) = 1-P(Z

b) z = \frac{295.5 -247}{\frac{62.2}{\sqrt{16}}}= 3.119

And we can use the normal standard table or excel in order to find the probability and we got:

P(z>3.119) =1-P(Z

Step-by-step explanation:

For this case we know that the random variable of interest is normally distributed with the following parameters:

X \sim N (\mu = 247, \sigma =62.2)

Part a

We want to find this probability:

P(X>295.2)

And we can use the z score formula given by:

z = \frac{X-\mu}{\sigma}

Replacing we got:

z = \frac{295.2-247}{62.2}=0.772

And using the normal distribution table or excel we got:

P(Z>0.772) = 1-P(Z

Part b

We select a random sample of size n = 16 and we try to find this probability:

P(\bar X >295.2)

And we can use the z score formula given by:

z = \frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}

And replacing we got:

z = \frac{295.5 -247}{\frac{62.2}{\sqrt{16}}}= 3.119

And we can use the normal standard table or excel in order to find the probability and we got:

P(z>3.119) =1-P(Z

8 0
3 years ago
Other questions:
  • Will give brainiest to the right answer
    11·2 answers
  • As a project for a psychology course, a student correlated weight and intelligence scores for 250 students. the computed correla
    10·1 answer
  • What is the product of 10/2x300
    12·1 answer
  • I neeed help again fast plss
    11·2 answers
  • Jerome works as a waiter. He earns 80$ each weekend plus 15 percent in tips on meals served. Jerome served 725$ worth of meals l
    9·1 answer
  • Is this question a statistical question Which student spends the most time playing musical instruments? explain why or why not
    14·1 answer
  • Find the equation of the axis of symmetry for the parabola y=x^2-5x+1/2
    8·1 answer
  • The table represents a linear function. The rate of change between the points (–5, 10) and (–4, 5) is –5. What is the rate of ch
    8·2 answers
  • How do you put in the square root symbol on the computer
    12·1 answer
  • I dont get this please help
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!