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
Gelneren [198K]
3 years ago
10

Find the value of x (really need help with this)

Mathematics
1 answer:
qwelly [4]3 years ago
4 0

Answer:

x=-7

Step-by-step explanation:

The sum of the angles of a triangle are 180 degrees

40 + x+57 + 90 =180

Combine like terms

187 +x = 180

Subtract 187 from each side

187-187 +x = 180-187

x = -7

You might be interested in
Which word best describes the degree of overlap between the two data sets?
Stells [14]
C. Low

The data sets barely overlap at all except on two occurrences.
7 0
3 years ago
can someone help me pls?
riadik2000 [5.3K]

Answer:

<h2> decreasing:   (-2, -1)∪(-1, 0) </h2>

Step-by-step explanation:

From  x = -2 to x = 0 function is decreasing, but for x= -1 function doesn't exist, so we need to exclude x = -1 from (-2, 0)

8 0
3 years ago
A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 678 babies were​ born, a
suter [353]

Answer:

We are 99% confident that the true proportion of female babies is captured by the interval from

0.8001

to

0.8999

.

Step-by-step explanation:

7 0
3 years ago
Find the next two terms in this sequence.<br><br> 4,8,-16,-32,64, [??],[??]
lubasha [3.4K]
I’m pretty sure this is the answer
128, -256
4 0
2 years ago
How is the quotient 5 to the 8th power expressed as a power of 5
Sauron [17]

Answer:

5^4

Step-by-step explanation:

When dividing exponents with the same base, you subtract their exponents.

8-4=4

This means that 5^8 / 5^4 is equal to:

5^4

6 0
3 years ago
Other questions:
  • HELP ASAP ASAP!!!!!!!!!!!!!!!!! HELP NOWWWWWWWWWW!
    6·2 answers
  • PLEASE PLEASE HELP ME I NEED THE ANSWER ASAP!
    7·2 answers
  • What are the names of three equal sides and all acute angles
    14·1 answer
  • Divide. Express your answer in lowest terms. - 7/10 divide by (- 4/5)
    6·2 answers
  • Write the following roots as pure imaginary numbers:
    10·2 answers
  • What is 4.50 15% of?
    8·2 answers
  • Evaluate <br> lim x --&gt; 1 [(x^1000)-1]/[x-1]
    12·1 answer
  • F(x) = -5x2 + 10x + 7 what is the Value and is it minimum or maximum
    15·1 answer
  • Use the following situation for #21 - 22
    9·2 answers
  • Please help me with this
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!