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
Temka [501]
3 years ago
13

Find the value of x.

Mathematics
1 answer:
Firdavs [7]3 years ago
8 0

Step-by-step explanation:

DC is equal to 180°, so subtract 105 from 180.

180-105=75

180 is the total of the the angles when added together.

67°+75°=142

180-142=38

x=38

You might be interested in
A chef plans to mix 100% vinegar with Italian dressing. The Italian dressing contains 12%
Hitman42 [59]

Answer:

Amount of  vinegar. 100% : 20 milliliters

Amount of  Italian dressing: 140 milliliters

Step-by-step explanation:

Let's call A the amount of  vinegar. 100%

Let's call B the amount of  Italian dressing . 12% vinegar

The resulting mixture should have 23%  vinegar, and 160 milliliters.

Then we know that the total amount of mixture will be:

A + B = 160

Then the total amount of pure antifreeze in the mixture will be:

A + 0.12B = 0.23 * 160

A + 0.12B = 36.8

Then we have two equations and two unknowns so we solve the system of equations. Multiply the first equation by -1 and add it to the second equation:

-A -B = -160

-A -B = -160

               +

A + 0.12B = 36.8

--------------------------------------

-0.88B = -123.2

B = \frac{-123.2}{-0.88}

B = 140\ milliliters

We substitute the value of B into one of the two equations and solve for A.

A + 140 = 160

A = 20\ milliliters

7 0
3 years ago
If ab = 14 and cd = 14 then ab=cd
gogolik [260]
Yes because is we replace both numbers it would end as...
ab=cd
14=14
8 0
3 years ago
Read 2 more answers
The perimeter of the rectangle below is 174 units. Find the length of side BC. Write your answer without variables.
hodyreva [135]
BC= 39



Explanation:


4z+4z+3z+3+3z+3=174

8z+6z+6=174

14z+6=174

Subtract 6 from both sides

14z=168

Z=12


So then 3*12+3=39


And you can check by doing 39+39+48+48
And it equals 174
4 0
3 years ago
Figure
ludmilkaskok [199]

Answer:

  • a rotation, followed by a translation
  • a translation, followed by two reflections

Step-by-step explanation:

The rigid motions are the transformations that produce congruent images.

There are three main kinds of rigid motions  :

  • Reflections : Flips a figure across a line of reflection.
  • Rotations : Rotates a figure about some degrees around a center point.
  • Translations : Moves figure on a plane about some distance in a certain direction.

But dilation is not a rigid transformation because it may change the size of the image. It is usually used to shrink or enlarge a shape.

So, the options having dilation and term "stretch" cannot produce congruent figures.

Hence, the correct options are :

  • a rotation, followed by a translation
  • a translation, followed by two reflections
5 0
3 years ago
How is "y more than 4 is -36" written and what is the answer ​
Crazy boy [7]

Answer:

y+4=-36 and the answer is y=-40

Step-by-step explanation:

So the word is means equals, meaning we can change it to say

"y more than 4 = -36

and more than means addition so we can put a plus sign there and we get

y+4=-36

then to solve this equation we need to get y by itself on one side and to do that we can move the 4 to the other side by subtracting it on both sides to cancel out the addition and we get y=-40

I hope this helps and please don't hesitate to ask if there is anything still unclear!

8 0
3 years ago
Other questions:
  • Which fraction is equivalent to 6 over -8 <br> -8/6<br> -6/8<br> -6 over -8<br> 8/6
    12·2 answers
  • A plant's length (in centimeters) as a function of
    5·1 answer
  • What is the justification for step 1 in the solution process?
    11·1 answer
  • Mary buys a 10-meter spool of thread for sewing. She uses 210 centimeters. How much is left on the spool in centimeters?
    9·1 answer
  • If the perimeter of the semicircle is 10.28mm. What is the semicircles radius?
    11·1 answer
  • 2,500 centimeters are equal to how many meters
    10·1 answer
  • Pls help!! Which is correct???
    10·1 answer
  • In a group of 60 students, 12 students take Algebra I, 18 students take
    6·2 answers
  • a triangle garden is being formed with stones. the three sides measure 4 meters by 6 meters by 7 meters. which of the following
    9·1 answer
  • 1. Lily wants to buy 4 pounds of cereal for her camping trip. The boxes are each 18 ounces. According to the number line, how ma
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!