Mathematics High School

Solve for x in the diagram below.
(2x + 45)°

Solve For X In The Diagram Below.(2x + 45)

Answers

Answer 1

Answer:

x=45 (degrees)

Step-by-step explanation:

(2x+45)+x= 180 (linear pair)

3x+45=180

3x=180-45

3x=135

x=45 (degrees)

Answer 2

Answer:

x=45  

Step-by-step explanation:

(2x+45)+x= 180                                     (linear pair)

3x+45=180

3x=180-45

3x=135

x=45

Related Questions

is it a, b, c, or d?

Answers

Answer:

The answer is B. 4,7.5,8

Step-by-step explanation:

Becouse A and C Both of them is Right-angled triangle and D is Obtuse triangle

I'll give brainliest ​

Answers

Answer:

its 2/3

my bad

x + y = -6 The slope is and the y-intercept is​

Answers

The y intercept is at -6


What’s the area for each figure?

Answers

9514 1404 393

Answer:

52.5 in²52.5 in²76.97 in²total: 181.97 in²

Step-by-step explanation:

1, 2. The area of each triangle is given by the formula ...

  A = (1/2)bh . . . . . for base b and height h

The area of the given triangle is ...

  A = (1/2)(7 in)(15 in) = 105/2 in² = 52.5 in²

Triangles 1 and 2 have the same dimensions, so have the same area.

  Figure 1 area: 52.5 in²

  Figure 2 area: 52.5 in²

__

3. The area of the semicircle is given by the formula ...

  A = (1/2)πr² . . . . for a semicircle of radius r

This semicircle has a radius of 7 in, so an area of ...

  A = (1/2)(3.1416)(7 in)² ≈ 76.97 in²

  Figure 3 area: 76.97 in²

__

The total area is the sum of these:

  52.5 in² + 52.5 in² +76.97 in² = 181.97 in²

  Composite Figure area: 181.97 in²

_____

Comment on decimal digits

We cannot tell your rounding requirements. Here, we have rounded to the nearest hundredth. If you use the value 3.14 for pi, then your areas for the semicircle and composite figure will end in .93, not .97.

in a 2liter of bottle
87 centiliters of oil and 4.1 deciliters. how much more liquid needed to fill the bottle
​

Answers

Answer:

i also don't know

Step-by-step explanation:

please help me!!
basic Radicals
​

Answers

Answer:

C)

Step-by-step explanation:

[tex]x = \frac{\sqrt{a}}{ \sqrt{b}} = \sqrt{\frac{a}{b}}\\\\[/tex]

Both sides take square

[tex]x^{2}= ( \sqrt{\frac{a}{b}})^{2}=\frac{a}{b}[/tex]

Which of these graphs is the solution set for the equation y = -4?

Answers

Answer:

A

Step-by-step explanation:

A

Only line A is the line that represent y = -4

The diagram shows the position
of three towns represented by
letters A, B and C.
NA
B is 7 km from A on a bearing of 037°
C is 8 km from B on a bearing of 140°
Find the bearing of C from A.
Give your answer correct to 1 decimal place.

Answers

Answer:

Step-by-step explanation:

143º I’m not sure

The bearing of town C from town A is 93.3 degree if the B is 7 km from A on a bearing of 037° C is 8 km from B on a bearing of 140°

What is an angle?

When two lines or rays converge at the same point, the measurement between them is called a "Angle."

If we extend the line NA and NB

As we can see, line NA and NB are parallel and cut by transversal AB

The angle NBA and BAN' will be equal.

Angle BAN' = 180 - 37 = 143 degree = angle NBA

Angle CBA = 360 - 140 - 143

Angle CBA = 77 degree

Now, applying cos law:

b² = a² + c² - 2ac[cos B]

b² = (8)² + (7)² - 2(8 x 7 x cos77)

b = 9.37 km

To find the measure of the angle A applying sin law:

(sinA)/a = (sinB)/b

sinA = (axsinB)/b

sinA = (8xsin77)/9.37

A = 56.3⁰

Bearing of town C from town A:

α = A + 37⁰

α = 56.3⁰ + 37⁰

α = 93.3⁰

Thus, the bearing of town C from town A is 93.3 degree if the B is 7 km from A on a bearing of 037° C is 8 km from B on a bearing of 140°

Learn more about the angle here:

brainly.com/question/7116550

#SPJ2


Michelle owns a hair salon. She has 150 customers per month. On average, the price Michelle
charges her customers is £20. The cost to Michelle of providing each hair cut is £4. Michelle
has other costs of £500 for things like advertising and rent,
HOW MUCH PROFIT DOES MICHELLE'S HAIR SALON MAKE IN 3 MONTHS?

Answers

750
because she on average makes 3000 dollars a month, making her monthly profit 750 but if she needs to spend each month a 500 dollar more then she is only making 250 a month multiply 250 by 3 and she made 750

WILL GIVE BRAINLIEST!
At the end of a five day business week, the General Stock Market had a net gain of −50 points. For this five day business week, find the average net gain in points per day. (Enter an exact number.)

Answers

Answer:

Average is -10 points per day

Step-by-step explanation:

Average gain = Net gain / Five day

Average gain = -50 / 5

Gloria rides a bike 8 miles in 40 minutes. Nanette rides a bike 5 miles in 30 minutes. Who bikes faster? Explain.

Answers

Answer:

Nanette

Step-by-step explanation:

Nanette.

Gloria's rate = 40/8 = 5mph

Nanette's rate = 30/5 = 6mph

Hope that helps!

Answer:

gloria

Step-by-step explanation:

40 divided by 8 = 5

30 divided by 5 =6

If , then what is mto the nearest degree?

Answers

Answer:

70 degrees

Step-by-step explanation:

If cosm<A = 342/1000, we are to find the value of a

Take arccos of both sides

cosm<A = 342/1000

cosm<A = .342

arccos(cosm<A) = arccos(0.342)

m<A = arccos(0.342)

m<A = 70 degrees

Hence the measure of m<A is 70 degrees

What graph represents the inequality? Whoever answers first gets brainliest!

Answers

Answer:

B

We know the circle is closed

Your answer would be A because there are no negative number in the equation and the number is inclining

If Amy has two apples and drops one, how many does she have then?

Answers

Answer:

one

Step-by-step explanation:

Answer:

one

Step-by-step explanation:

one

3. There were 567 whos in Whoville. Each who ate 814 bowls of
stew. How many bowls of stew were eaten all together?

Answers

All together, there were 461,538 bowls of stew eaten all together.

Identify the scale factor if the length of a model train engine is 3 feet and the length of the engine itself is 24 feet

Answers

Answer:

jHshshshhzysjshhddbhxsbsshshsgshyskinsdisbandeds

Answer:

it should be 1 over 8

Step-by-step explanation:

Find the measure of one of the interior angles of a
regular polygon with 12 sides.
A 30°
B 165°
C 150°
D 2160°

Answers

1)(12-2)*180=1800
2)1800\12=150
So the answer is C

someone help pls?!? ill give brainliest

Answers

[tex]\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}[/tex]

Actually Welcome to the Concept of the Similar Triangles.

Since here we can see that, similar triangles different by size of the side by 0.5 ration,

hence,the value of x = 0.5 times of MN

hence, x = 5/2

so the mixed fraction representation is given as,

[tex]2 \times \frac{1}{2} [/tex]

mixed fraction ration is 2(1/2)

===> hence option is B.)

1. Two students went to McDonald's. They each bought the same snack, which included a shake
and a burger. The shakes cost $2 each. In total, they spent $12.
Part A: Enter an equation to represent this equation. Let x represent the cost of one burger.
Part B: Enter the cost of one burger.

Answers

Answer:

12-2=10 b=10

Step-by-step explanation:

what is first three common multiples of 4,9,and 12​

Answers

Answer:

36 is the answer of this question

Answer:

Methods to Find LCM of 4, 9 and 12

Least Common Multiple of 4, 9 and 12 is the smallest number, which is exactly divisible by all of them without any remainder.

Multiples of 4 = 4, 8, 12, 16, 20, 24, 28, 32, 36.

Multiples of 9 = 9, 18, 27, 36.

Multiples of 12 = 12, 24, 36.

Yesenia records the ages of 9 friends. A

box plot of her data set is shown.

Click above the number line to create a

dot plot that could represent Yesenia's

data set

Answers

Answer:

did not get the point of the sum

Could someone possibly help me with this question? Thanks

Answers

Answer:

[tex]12\sqrt{2}[/tex]

good luck, hope this helps :)

A runner runs at an average speed of 9 m/s for 20 seconds
How far did the runner run in metres?​

Answers

Answer:

The answer would be 180 meters.

Step-by-step explanation:

We are told the runner runs at 9 m/s for 20 seconds.

Since they run 9 meters per second, all we have to do is multiply 9 by 20, which will give us 180 meters.

9 x 20 = 180

4(y – 3) = y – pls help me on this question

Answers

Answer:

y=4

Step-by-step explanation:

Remove all perfect squares from inside the square root.
\sqrt{30b^5}=

Answers

Answer:

The answer is b=0 or b=9.085603

Answer:

[tex]b^{2} \sqrt{30b}[/tex]

Step-by-step explanation:

How can you write the expressiHow can you write the expression 7(b – 2) in words?
A.
two subtracted from the quotient of seven divided by b
B.
seven added to difference of b minus two
C.
the quotient of seven divided by b minus two
D.
two subtracted from seven times b
E.
the product of seven and the difference of b minus two
on 7(b – 2) in words?

Answers

Answer:

E.

the product of seven and the difference of b minus two

Answer:

The correct answer would be E

Step-by-step explanation:

the product of seven and the difference of b minus two

I did the test and got it right.

Becca joins a gym that charges a $150 starting fee, plus $50 per month she will quit before she’s payed the total of $1000, How many months can she work out at the gym?

Answers

Answer:

I believe it 13

Step-by-step explanation:

150+50= 200 then 100= two months so i added up till i got 13 weeks

Why might u want to estimate by rounding each value to the nearest $1 instead of to the nearest $5

35 POINTS ANSWER FAST!

Answers

You would want to round to the nearest $1 so that the total would be more accurate.

Round 149,640 to the nearest thousand

Answers

Answer:

150,000

Step-by-step explanation:

Hope this helps!!

8(__+__)=8m+8n Please help, ​

Answers

It’s 8 (m+n) = 8m + 8n

Answer: m and n

8(m+n)= 8m + 8n

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