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
DerKrebs [107]
3 years ago
15

What is the measurement of angle a?

Mathematics
1 answer:
Illusion [34]3 years ago
6 0
Assuming we have parallel lines, we can solve for x.
Since a = 3x - 10 (vertically opposite angles are equal),
3x - 10 = 2x + 15 (alternate angles are equal)
x = 25

Hence, angle a = 3(25) - 10 = 65°
You might be interested in
The perimeter of this isosceles triangle is 22 cm. If one side is 6 cm, what are the possible lengths of the other two sides? Pa
3241004551 [841]
We know that

<span>the isosceles triangle has two equal sides
</span>
<span>let's analyze two cases
</span>
first case
perimeter=22 cm
<span>let's suppose that the known side of 6 cm is one of the two equal sides
</span>perimeter=6+6+x
22=6+6+x-----> x=22-12----> x=10 cm

answer first case
<span>the possible lengths of the other two sides are
</span>6 cm 
10 cm

second case
let's suppose that the known side of 6 cm is the side that is not equal
perimeter=22 cm
perimeter=6+x+x
22=6+x+x----> 2x=22-6----> 2x=16-----> x=8 cm


answer second case
the possible lengths of the other two sides are
8 cm 
8 cm

4 0
3 years ago
Imagine you are painting a series of towers built from cubes. You are going to paint only the exposed faces of the cubes. What i
8_murik_8 [283]
A. Because the paint depends of the cubes
(I’m pretty sure)
3 0
3 years ago
Kory calculated several numbers in his calculator. The result displayed 1.3E-2 on the calculator screen. Which equivalent number
frosja888 [35]

Answer:

  • 0.013
  • 1.3×10^(-2)

Step-by-step explanation:

Many calculators use "E" to signify "×10^( )". Thus ...

... 1.3E-2 = 1.3×10^(-2)

This number in scientific notation is equivalent to the standard form number ...

... 1.3×0.01 = 0.013

5 0
3 years ago
Read 2 more answers
PLEASE ANSWER SOON<br> Has a picture of question
earnstyle [38]
The answer is 21 which comes from 7 * 3.

Draw the four points in a complex plane. From the drawing you can see that the lenght is 4i - (-3i) = 4i + 3i = 7i, and the width is 1 - (-2) = 1 + 2 = 3.

So, the area is 7 * 3 = 21.




8 0
3 years ago
Least to greastest awnsers
Eddi Din [679]
-60 -49 -40 9

-45 -18 80 82

-74 -23 14 85

-79 -68 21 46

-48 -21 27 54

-68 -13 4 32
3 0
4 years ago
Other questions:
  • Which of these is not a rule of binary addition? * 1+1 = 10 1 – 1 = 0 1 – 0 = 0 1 + 1 = 11
    14·1 answer
  • Factor and simplify: 4a^2c^2-(a^2-b^2+c^2)^2
    13·1 answer
  • Examine the graph. A bar graph titled Population of North American Cities. The x-axis is labeled cities. The y-axis is labeled P
    7·2 answers
  • *One half of two fifths of x.
    7·1 answer
  • All square roots of -196?
    6·2 answers
  • The area of a cross section perpendicular to the base of a rectangular prism is 45 square inches. If the length and width of the
    15·1 answer
  • What does X equal to?
    9·1 answer
  • At what point do the lines y= 2x + 3 and y = 5x - 9 intersect? ​
    12·1 answer
  • HELP LOL, i dont understand
    11·1 answer
  • Claudius took out an unsubsidized stafford loan at the beginning of his six-year college career. the loan had a principal of $4,
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!