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
Nadusha1986 [10]
3 years ago
15

I really need help with this question

Mathematics
1 answer:
Rufina [12.5K]3 years ago
4 0
If you add up the angle measures and put them equal to 540, you end up with 160 as the x.
1/2x + 1/2x + x - 25 + 100 + x - 15 = 540
that simplifies to 3x + 60 = 540
thus, x = 160
You might be interested in
Help me please <br> Surds
kodGreya [7K]

Answer:

12\sqrt{6} + 8\sqrt{15} + 12 + 4\sqrt{10}

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

Given

(4\sqrt{3} + 2\sqrt{2} )(3\sqrt{2} + 2\sqrt{5} )

Each term in the second factor is multiplied by each term in the first factor, that is

4\sqrt{3} (3\sqrt{2} + 2\sqrt{5} ) + 2\sqrt{2} (3\sqrt{2} + 2\sqrt{5} ) ← distribute both parenthesis

= 12\sqrt{6} + 8\sqrt{15} + 12 + 4\sqrt{10}

7 0
4 years ago
__ FeC2O4 +__ CO2-&gt;__ Fe2 (C2O4)3
Mariana [72]
The coefficients in order are 2 2 1
8 0
4 years ago
Read 2 more answers
Find the mean of the following,-6,-10,-4,8,9,-2,5,6.​
andre [41]

mean =  \frac{sum \: of \: all \: observations}{number \: of \: observations}  \\  =  > mean =  \frac{( - 6) + ( - 10) + ( - 4) + 8 + 9 + ( - 2) + 5 + 6}{8}  \\  =  > mean =  \frac{6}{8}  \\  =  > mean = 0.75

This is the answer.

8 0
3 years ago
Which of the following systems of inequalities would produce the region
Debora [2.8K]

Answer:

Step-by-step explanation:

Neither blue plot line is dashed, so we eliminate any equation that contains the symbols "<" or ">". Remove A and C

B and D (actually all options) have y ≤ -x + 4 which is a line with slope -1 any y intercept 4. This represents the area below the line running from (0, 4) to (4, 0)

Which leaves us to select from y ≥ x + 2 for option B or y ≤ x + 2 for option D

As the shaded area is <em>below</em> the line we choose <u>option D</u>

<em />

4 0
3 years ago
A refrigerator at a home appliance store cost $540.00. What is the total cost of the refrigerator after a 6% sales tax is applie
Galina-37 [17]

Answer:

572.40

Step-by-step explanation:

First find the tax

540 * .06 = 32.4

Add this to the original cost

540+32.4 =572.40

8 0
3 years ago
Read 2 more answers
Other questions:
  • In the xy-plane, line h passes through the points
    12·1 answer
  • Express this ratio as a fraction in simplest form.
    10·2 answers
  • Ms groves has trays of paints for students in her art class. Each tray has 5 colors. One of the colors is purple. What fraction
    12·1 answer
  • For which pairs of functions is (f•g)(x)=x
    5·1 answer
  • Domain and range of f(x)= log7x
    10·1 answer
  • Recall the scenario about Eric’s weekly wages in the lesson practice section. Eric's boss has been very impressed with his work.
    12·1 answer
  • I need help finding Z
    5·2 answers
  • What is the exponential equation
    15·1 answer
  • Which is the volume of a sphere with diameter<br> 50 cm?
    6·2 answers
  • 7metros mas 9.40 metros​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!