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
mina [271]
3 years ago
7

4b+3x=30-3y find the value of (x+y/5)^2​

Mathematics
1 answer:
Helen [10]3 years ago
8 0

Answer:

x^2 + 2xy/5 + y^2/25

Step-by-step explanation:

You might be interested in
Assume that the readings on the thermometers are normally distributed with a mean of 0 degrees and standard deviation of 1.00deg
IrinaVladis [17]

Answer:

Step-by-step explanation:

Hello!

The variable of interest is the readings on thermometers. This variable is normally distributed with mean μ= 0 degrees C and standard deviation σ= 1.00 degrees C.

The objective is to find the readings that are in the top 3.3% of the distribution and the lowest 3.3% of the distribution.

Symbolically:

The lower value P(X≤a)=0.033

Top value P(X≥b)=0.033

(see attachment)

Lower value:

The accumulated probability until "a" is 0.03, since the variable has a normal distribution, to reach the value of temperature that has the lowest 3.3%, you have to work under the standard normal distribution.

First we look the Z value corresponding to 0.033 of probability:

Z= -1.838

Now you reverste the standardization using the formula Z= (a-μ)/δ

a= (Z*δ)+μ

a= (-1.838*1)+0

a= -1.838

Top value:

P(X≥b)=0.033

This value has 0.033 of the distribution above it then 1 - 0.033= 0.967

is below it.

You can rewrite the expression as:

P(X≤b)=0.967

Now you have to look the value of Z that corresponds to 0.967 of accumulated probability:

b= (Z*δ)+μ

b= (1.838*1)+0

b= 1.838

The cutoff values that separates rejected thermometers from the others are -1.838 and 1.838 degrees C.

I hope it helps!

5 0
3 years ago
Can someone do these? xD
Alenkinab [10]
16 = G + C
C = G - 6
16 = G + G - 6
16 = 2G - 6
22 = 2G
11 = G
G = 11


20 = B + K
B = 3K
20 = 3K + K
20 = 4K
5 = K
20 - 5 = 15
B = 15
3 0
3 years ago
Can I get help with these 2 problems?
Damm [24]

Answer:

answer is 456986973*'/96659

7 0
3 years ago
Read 2 more answers
What is 2x3y if x = -2y =4
Lilit [14]

Answer:

-48

Step-by-step explanation:

2x3y

\/

2(-2) * 3(4)

\/

-4 * 12

\/

-48

Have a nice day!

    I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

4 0
2 years ago
Read 2 more answers
Find the area of the figure.
seraphim [82]

\huge \bf༆ Answer ༄

At first Divide the figure into two rectangles, I and Il

Area of figure l is ~

  • \sf24 \times (40 - 30)

  • \sf24 \times 10

  • \sf240 \:  \: ft {}^{2}

Area of figure ll is ~

  • \sf 18 \times 30

  • \sf540 \: ft{}^{2}

Area of whole figure = Area ( l + ll )

that is equal to ~

  • \sf240 + 540

  • \sf780 \:  \: ft{}^{2}

7 0
2 years ago
Other questions:
  • I don’t know if this is correct !!!! Please answer correctly !!!!!!!! Will mark brainliest !!!!!!!!!!!
    5·1 answer
  • Matt has already sold $72 worth of tickets to the benefit concert. He had 6 tickets left to sell at $9 per ticket.
    9·2 answers
  • Don't call me square! While I have four right angles,
    8·1 answer
  • Is my answer right ?
    9·1 answer
  • Keisha is solving the equation 7 to the power of x equals 9. Which equation shows the first step she should take?
    12·1 answer
  • Given a gear bag with 3 bungee cords, 5 socket wrenches, and 2 hammers, what is the probability a person will randomly draw a so
    6·1 answer
  • HELP PLZ GIVE A BRAINLIST
    7·1 answer
  • Marie is thinking of a number. She subtracts 5 from the number and then multiplying the result is -2. The result is 18. What num
    13·1 answer
  • Sammy finds satellite images of a school and a museum. They put the images on a coordinate grid (shown
    7·2 answers
  • Find the area of each figure.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!