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
suter [353]
3 years ago
13

Please help me on number 21

Mathematics
1 answer:
max2010maxim [7]3 years ago
5 0
21.   D. is the answer.  Angle Q is 75 degrees.  X=30.  The triangle is an isosceles angle so therefore there are 2 angles are congruent to each other, Angle R and Angle Q.   All three of the angles should add to 180 degrees.
You might be interested in
Which of the following is a step in evaluating: ∫ cos2 5x dx
Sav [38]
From the following choices, the correct step in evaluating: ∫ cos2 5x dx is 1 - cos 10x / 2dx.
4 0
3 years ago
A negative number plus a positive number is a negative number.
ipn [44]

Answer:

Sometimes

Step-by-step explanation:

Examples:

-5 + 10 = 5   FALSE

-10 + 5 = -5  TRUE

7 0
3 years ago
Read 2 more answers
Johanna receives a report that says her typing speed is 65 words per minute. She knows that she made 4 errors in the 5-minutes t
oksian1 [2.3K]

How many words did she type in 5 minutes ?

65x5 - 4 = 325 - 4 = 321 words

7 0
2 years ago
A white-tailed deer can sprint at speeds up to 30 miles per hour. American bison can run at speeds up to 3,520 feet per minute.
Sphinxa [80]
In 1 minute, bison runs 3520 feet
In 60 minutes, the bison would run
3520*60 feet
211200 feet per hour.
These are equivalent to;
40 miles per hour since 1 mile is equivalent to 5280 feet.
The bison is faster by 10 miles per hour
6 0
3 years ago
Read 2 more answers
Use table of square to evaluate 6250²÷0.1750²
Hunter-Best [27]

Answer:

1275510204.08

Step-by-step explanation:

please first take square and then division

3 0
3 years ago
Other questions:
  • 1<br> thanks for your help!
    9·1 answer
  • A painting, square in shape, is placed in a wooden frame with width of 10% of the length of the side of the paining. The paintin
    12·1 answer
  • What is 5% as a fraction
    8·2 answers
  • Can someone help me i will mark
    5·1 answer
  • Identify the figure formed by the net.
    9·1 answer
  • An expressions is shown. what is the value of the expression? 2315.5+(-3166.75)​
    8·1 answer
  • Can someone write me an explanation for this PLZZZZZZZZZZZ
    5·1 answer
  • Solve the equation algebraically:<br> 10<br> 1<br> X= 7<br> I<br> I need an explanation too
    6·1 answer
  • I am confused on what I need to do. someone please help?
    7·1 answer
  • Show that the equation x^3+7x-4=0 has a solution between x=0 and x=1
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!