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
Semmy [17]
3 years ago
10

3-(x-1)=-1-(5-x) pls help

Mathematics
1 answer:
Alika [10]3 years ago
3 0

Answer:

- 3(x - 1) =  - 1(5 - x) \\  \\ 3 - x + 1 =  - 5 + x \\  \\  - x - x =  - 5 - 3 - 1 \\  \\  - 2x =  - 5 - 3 - 1 \\  \\  - 2x =   - 9 \\  \\ x =  \frac{ - 9}{ - 2}  \\  \\ x = 4.5

You might be interested in
A construction crew built 1/2 miles of road in 1/6 days. What is the unit rate in miles per day? Write your answer in simplest f
ANTONII [103]

Answer:

Unit rate miles per day is, 3

Step-by-step explanation:

Unit rate are defined as the rate are expressed as quantity of 1 such that 2 miles per hour or 5 km per hour.

As per the given statement: A construction crew built 1/2 miles of road in 1/6 days

by unit rate definition;

\text{Unit rate per day} =\frac{\text{Number of miles}}{\text{Number of days}}

After substituting the given values we have

⇒ \text{Unit rate per day} = \frac{\frac{1}{2} }{\frac{1}{6} }

or

\text{Unit rate per day} = \frac{1}{2} \times 6 = \frac{6}{2} = 3

Therefore, unit rate miles per day is, 3

5 0
3 years ago
Five times a number is the same as 30 more than 8 times the number. Find the number.
allsm [11]

5x = 8x+30

5x-8x+30 = 0

-3x=-30

x=-10

5 0
3 years ago
What is the missing value in this table of equivalent ratios?
kari74 [83]
The ratio is 5:9.
? = 45.
4 0
3 years ago
The water diet requires you to drink two cups of water every half hour from the time you get up until you go to bed, but otherwi
Elan Coil [88]

Answer:

7-3.182 \frac{13.638}{\sqrt{4}}= -14.698

7+3.182 \frac{13.638}{\sqrt{4}}= 28.698

Step-by-step explanation:

For this case we have the following info given:

Weight before diet 180 125 240 150  

Weight after diet 170 130 215 152

We define the random variable D = before-after and we can calculate the inidividual values:

D: 10, -5, 25, -2

And we can calculate the mean with this formula:

\bar X= \frac{\sum_{i=1}^n X_i}{n}

And the deviation with:

s= \sqrt{\frac{\sum_{i=1}^n (X_i- \bar X)^2}{n-1}}

And after replace we got:

\bar D= 7, s_d = 13.638

And the confidence interval for this case would be given by:

\bar D \pm t_{\alpha/2} \frac{s_d}{\sqrt{n}}

The degrees of freedom are given by:

df = n-1= 4-1=3

For the 95% of confidence the value for the significance is \alpha=0.05 and the critical value would be t_{\alpha/2}= 3.182. And replacing we got:

7-3.182 \frac{13.638}{\sqrt{4}}= -14.698

7+3.182 \frac{13.638}{\sqrt{4}}= 28.698

6 0
3 years ago
5/9*18/25<br><br> i need help
Akimi4 [234]

Answer:

\frac{2}{5}

Step-by-step explanation:

\frac{5}{9} * \frac{18}{25} = \frac{5 * 18}{9 * 25} = \frac{90}{225} = \frac{45 * 2}{45 * 5} = \frac{2}{5}

4 0
3 years ago
Other questions:
  • Identify the following series as arithmetic, geometric, both, or neither.
    15·2 answers
  • The three vectors a b c point from the origin o to the three corners of a triangle use results of problem 1.18 to show that the
    12·1 answer
  • What is surface area of a cube with 4 cm 3 cm 2 cm
    12·2 answers
  • Without actually calculating,how much greater is the product of 98×50 than the product of 97×50?
    14·1 answer
  • Grant is a member of a book club. He pays a $10 yearly membership fee and can purchase books through the club for $2.75 each. Hi
    7·1 answer
  • What is the remainder when f(x) = x^4 -8x^2 + 10x + 22 is divided by x + 3
    9·1 answer
  • What is the value of x?<br> x =
    7·1 answer
  • Ming has $7:35 in quarters and nickels. She had a total of 79 coins. How many quarters and how many nickels does she have
    8·2 answers
  • Can someone help me with this math homework please!
    10·1 answer
  • If it takes 6 men 4 days to dig a hole 3 metres deep, how long will it take 10 men to dig same hole 7 metres deep?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!