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
Lilit [14]
3 years ago
12

Solve for please :):)

Mathematics
1 answer:
Debora [2.8K]3 years ago
7 0

Answer:

x=20

Step-by-step explanation:

x+2x+x+10=90

4x+10=90

4x=90-10

4x=80

x=80/4

x=20

You might be interested in
Please help anybody! shoutout to
kirza4 [7]

Answer:

1/4 or 25%

Step-by-step explanation:

Only 1 whisker earned 25 or less so it's 1/4

6 0
2 years ago
Read 2 more answers
A) give stating reasons five other angles each equal to x<br>b) prove that AECF is a parallelogram ​
Gennadij [26K]

Simple Proof:

a) In the image, we know that ABCD is a parallelogram and that means opposite angel measures should be the same. We know that angel DCB is made up by angel 1 and 2, and angel DAB and DCB are equal and angel DAB is made up by angel 1 and <em>x</em>. So now we can conclude that angel <em>x</em> is equal to angel 2.

b) According to the definitions of a parallelogram, opposite angel measures have to be the same, while AECF have angle 1 to angel 1 and angel 2 to angel 1. We can conclude that AECF is <u>NOT</u> a parallelogram. (Sorry, you didn't give me the full question so some information remains unclear. )

7 0
3 years ago
A survey found 195 of 250 randomly selected Internet users have high-speed Internet access at home. Construct a 90% confidence i
Andrej [43]

Answer:

d. (0.737, 0.823)

The 90% confidence interval is = (0.737, 0.823)

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

p+/-z√(p(1-p)/n)

Given that;

Proportion p = 195/250 = 0.78

Number of samples n = 250

Confidence interval = 90%

z value(at 90% confidence) = 1.645

Substituting the values we have;

0.78 +/- 1.645√(0.78(1-0.78)/250)

0.78 +/- 1.645√(0.0006864)

0.78 +/- 1.645(0.026199236630)

0.78 +/- 0.043097744256

0.78 +/- 0.043

(0.737, 0.823)

The 90% confidence interval is = (0.737, 0.823)

8 0
3 years ago
Divided 1.4 from 100
kkurt [141]

Step-by-step explanation:

\frac{1.4}{100}  \\  0.014

Whenever you divide any number with 10,100,1000,10000 ....

then move the decimal point of the given number toward left side as the number of zero in dividing number,

1.4/100

here in 100 there is 2 zeros , so we should shift the decimal 2 point left of 1.4

6 0
3 years ago
Read 2 more answers
What is the answer to 4+2(x-3)=-8
Afina-wow [57]

Answer: x= -3

Step By Step Explanation:

3 0
3 years ago
Other questions:
  • Solve the following system of equations. Express your answer as an ordered pair in the format (a,b), with no spaces between the
    11·2 answers
  • Help plz ASAP Find the value of x
    7·1 answer
  • Use cylindrical coordinates. find the volume of the solid that lies within both the cylinder x2 y2 = 9 and the sphere x2 y2 z2 =
    10·1 answer
  • How many miles did a plane travel if it flew 455 miles per hour in 3 hours and what formula did you have to use
    9·1 answer
  • What is the answer to A+5b=c for b? Im stuck
    8·2 answers
  • ∠1 and ∠2 are complementary angles. If ∠1 measures 35º, what is the measure of ∠2?​
    15·1 answer
  • Find B U C.<br><br><br> I need help
    12·1 answer
  • Pls help I'm confused on this!!!!
    13·1 answer
  • Please help with one of my questions !! i’m stuck
    14·1 answer
  • What is modeled by the graph segmenſ between B and C?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!