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
frutty [35]
3 years ago
14

Simplify the expression d + 11 - 8d.

Mathematics
2 answers:
7nadin3 [17]3 years ago
7 0
11-7d is the answer.
lutik1710 [3]3 years ago
6 0
The answer is -7d+11
You might be interested in
I would really appreciate it if someone helped answer these 4 questions. I will rate 5 stars. Thank you (:
ELEN [110]

Answer:

7. 13.6

8. 19.5

9. 6.5

10. 12.6

Step-by-step explanation:

Recall the three main trig functions

Sine = opposite / hypotenuse

Cosine = adjacent / hypotenuse

Tangent = opposite / adjacent

( remember hypotenuse = longest side length , opposite = side length opposite of angle , and adjacent = side length thats not the opposite or hypotenuse )

We will use these to solve each problem

7.

We are given :

  • An angle with a measure of 39 degrees
  • The angles opposite side length
  • The adjacent side as the unknown

When dealing with opposite and adjacent we use tangent

We have tan = opp / adj

==> plug in opp = 11 and adj = x as well as given angle 39

tan(39) = 11/x

==> multiply both sides by x

xtan(39) = 11

divide both sides by tan(39)

x = 11/tan(39)

plugging this into a calculator , we get x = 13.6 ( rounded )

8.

We are given :

  • an angle with a measure of 46 degrees
  • the hypotenuse which has a length of 28
  • and the adjacent as the unknown

When dealing with adjacent and hypotenuse we use cos

We have cos = adj / hyp

==> plug in given angle 46 , adj = x and hyp = 28

cos(46) = x/28

==> multiply both sides by 28

x = 28cos(46)

plugging this into a calculator we get  x = 19.5 ( rounded )

9.

We are given :

  • an angle with a measure of 51 degrees
  • its opposite side length with a length of 8
  • the adjacent side length as the unknown

When dealing with the opposite and adjacent we use tangent

We have tan = opp / adj

==> plug in 51 degrees for angle , opp = 8 and adj = x

tan(51) = 8/x

==> multiply both sides by x

xtan(51) = 8

==> divide both sides by tan(51)

x=8/tan51

plugging this into a calculator we get that x = 6.5 ( rounded )

10.

We are given:

  • an angle with a measure of 24 degrees
  • the hypotenuse which has a length of 31
  • the side length opposite of given angle as the unknown

When dealing with the opposite and hypotenuse we use sine

We have sin = opp / hyp

==> plug in angle as 24 , opp = x and hyp = 31

sin(24) = x / 31

==> multiply both sides by 31

31sin(24) = x

plugging this into a calculator we get that x = 12.6 ( rounded )

And we are done!

Let me know if you have any doubts in the comments ! : )

6 0
2 years ago
Give one example of when you would make a frequency table to solve the problem
RideAnS [48]

Answer:

Consider a class in which there are 40 students .There is a Mathematics test of 50 marks .Two students were absent.The Duration of test was for one and half an hour.

So Marks of students according to their roll number are 12,8,4,20,25,36,2,29,35,39,5,48,43,37,38,29,17,15,15,25,31,32,26,28,27,24,2,15,34,,50,46,48,37,28,26,45,49,24.

So in this case it would be better to prepare frequency polygon by selecting a class interval.

Class interval = 0-5,5-10,10-15,15-20,20-25,25-30,30-35,35-40,40-45,45-50.

Or 0-10,10-20,20-30,30-40,40-50.

or you can make class interval by yourself.





4 0
3 years ago
What is the solution to 0.3(12x - 16) = 0.4(12 - 3x)?
telo118 [61]

Step-by-step explanation:

The solution is one-solution

.3(12x-16)=.4(12-3x) (you do the distributive property)

3.6x-4.8=4.8-.12x (you add 1.2 to both sides)

3.6x-3.6=4.8 (You add 3.6 to both sides)

3.6x=8.4 ( You divide 3.6 both numbers)

x=0.4285...

Its a one-solution

5 0
2 years ago
Terry practices the same amount of time each day for his soccer tryouts. In 4 days, he has practiced for 360 minutes. Let x repr
n200080 [17]

Answer:

90

Step-by-step explanation:

390 ( 40; 6 )

7 0
2 years ago
7. What is the perimeter around this figure in feet?
Hoochie [10]

Answer:

20.667

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • Find the unknown angle
    7·2 answers
  • What is the weight of a 19 kg box on earth ?
    14·1 answer
  • If 150g of sugar is used for 5 cakes<br> How much is used for 7 cakes?:)
    15·2 answers
  • △BCD≅△GEF . If BC=10 , CD=3x+8 and EF=4x+6 , then what is the measure of CD ?
    8·2 answers
  • Write the slope intercept form of the equation of each line<br> y+5=-4/5(x-4)
    15·1 answer
  • One lap around the lake is 710 mile.
    7·1 answer
  • Fun Fact : You are so effing beautiful. And i love you. Hundreds of people do. Tell this to someone who needs it.
    9·1 answer
  • Find the points of intersection of the graphs involving the following pair of functions.
    6·1 answer
  • What is 903 divided by 72?<br> 33 POINTS FOR THIS QUESTION!!
    10·1 answer
  • (100 POINTS) Please help I'll give brainliest!<br> Image attached.
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!