What is the measure of angle B in the triangle?

This triangle is not drawn to scale.

Enter your answer in the box.

m∠B=
°

What Is The Measure Of Angle B In The Triangle?This Triangle Is Not Drawn To Scale.Enter Your Answer

Answers

Answer 1

Answer:

Step-by-step explanation:

(2x-30) + 40 + (x+20)=180

=3x+30=180

=3x=150

=x=50

B=70


Related Questions

What lines are parallel?

A: y=3x-2 and y=1/3x-3

B: y=x and y=3

C: y=0 and y=3

Please explain the answer!!! Will give brainliest!!!

Answers

Answer:

C

Step-by-step explanation:

y=0 gives the straight horizontal line passing through (0,0)

y=3 also gives straight horizontal line passing through (0,3)

Given ↓The following equations → y=3x-2, y=1/3x-3, y=x,  y=3, y=0 and y=3.

To Find ↓Which two lines are parallel?Calculations ↓

In order to find out which two lines are parallel, let's find the slope of each line first.

The slope of the line y=3x-2 is 3.

The slope of the line y=1/3x-3 is 1/3

The slope of the line y=x is 1

The slope of the line y=3 is 0

The slope of the line y=0 is 0

Now, if two lines have the same slope, they are parallel to each other.

So if a line's slope is 0, the line parallel to it has a slope of 0.

So the parallel lines here are ↓

y=0 and y=3

hope helpful ~

For which value of x is the equation 2(1+x)=x+3

Answers

X=1 because you distribute and then subtract.

A vending machine that takes only dimes and
quarters contains 30 coins, with a total value of
$4.20. How many of each coin are there?

Answers

Answer: 22 dimes, 8 quarters
Explanation: You can guess and check. You know you need more dimes because they are worth less. It would take more dimes to make up 30 coins. And you also know that quarters cannot make .20 exactly. So your number of dimes must make .20. So I guessed numbers that would have .20 left over, and added quarters to get to $4.20.

pls help with this maths question... feels like I'm missing something easy ;/​

Answers

Answer:

10.34 cm.

Step-by-step explanation:

First we need to calculate the angle between the hour and minute hand

We see that there are 5 *  5-minute intervals between the 2 hands and the clock has 12 * 5-minute intervals, so:

This is 5/12 * 360 = 150 degrees,

So we apply the Cosine Rule to the triangle:

x^2 = 4.5^2 + 6.2^2 - 2*4.5*6.2cos150

= 107.014

x = √107.14 = 10.34.

Missing length is 10.3cm to 1.d.p

The clock is a circle divided into 12

360/12=30 degrees for each part

1) 7 to 8

2) 8 to 9

3) 9 to 10

4) 10 to 11

5) 11 to 12

5 parts

30 x 5 = 150 degrees

We've got an angle between 2 lengths - cosine rule comes to mind for me.

a = root 6.2^2 + 4.5^2 - 2x6.2 4.5 x cos 150

= 10.34476764

length is 10.3cm to 1.d.p

(the others are to 1.d.p too)

Hope this helps!

You are one of 22 people whose name will be drawn for a prize. What is the probability that your name will be drawn first? Express your answer as a fraction.

Answers

Answer:

1/22

Step-by-step explanation:

Its 1/22 because that is the total probability of your name being drawn for the prize

Whats 38240 divided by 4

Answers

Answer:

9560

Step-by-step explanation:

Use a calculator or do long division.

You can also divide by 2 twice.

38240/2 = 19120

19120/2 = 9560

Answer: 9560

Answer:

9560

Step-by-step explanation:

30000÷4=7500

8000÷4=2000

200÷4=50

40÷4=10

0÷4=0

7,500+2,000+50+10+0=9,500+60=9,560

Lisa used 6 2/3 feet of rope to make a jump rope. She also used 4 1/5 feet of rope to make a leash for her dog. Which expression could be used to determine the amount of rope, in feet, that lisa used? (A) 10+2 /15 (B) 10+3/8 (C) 6+4+10/15+3/15 (D) 6+4+3/15+3/15

Answers

Answer:

(C) 6+4+10/15+3/15

Step-by-step explanation:

2/3=10/15

1/5=3/15

6+4+13/15

10 13/15

A gold, a silver, and a bronze medal are awarded in an Olympic event. In how many possible ways can the medals be awarded for a 200-meter sprint in which there are 8 runners

Answers

Answer:

1320 ways

Step-by-step explanation:

an olympic event getting a gold medal is not equal to getting a silver or a bronze medal. Hence, we will use the concept of permutation for this problem as order matters here. Hence, there are 1320 ways in which 8 runners can get these 3 medals

helpppp will give brainlistdhd

Answers

Answer:

S18 = 288

Step-by-step explanation:

find the first and last term.

n = 1

a1 = 2 x 1 - 3

a18 = 2 x 18 - 3

(simplify the expression)

a1 = -1

a18 = 33

(use the formula for the sum of a finite arithmetic series)

                     a1 + a18

S18 = 18 x ---------------------

                           2

(use the substitute) substitute -1 for a1 and 33 for a18

                       -1 + 33

S18 = 18 x ---------------------

                             2

simplify the expression and ur done hope this helped x

ps. wheres my head :)

Tisha and her scout troop are heading to the Swing Time zipline park. They plan to purchase
the group package. With the package, the cost per person is $5 less than the normal cost for
an individual. There are 12 scouts in Tisha's troop. Her troop leader called ahead and found
that the total cost for the group will be $150. What is the normal cost for an individual?

Answers

Answer:

$17.5

Step-by-step explanation:

divide 150 by 12 to get 12.5. 12.5 is what they paid per-person with the discount. add 5 to get 17.5 and that is the on-discounted price

The normal cost for an individual is $17.50.

Let's denote the normal cost for an individual as "N."

According to the given information, with the group package, the cost per person is $5 less than the normal cost for an individual. So, the cost for each scout in Tisha's troop is "N - $5."

There are 12 scouts in Tisha's troop, so the total cost for the group is given as $150.

We can set up an equation based on the total cost:

Total Cost = Cost per Person × Number of People

$150 = (N - $5) × 12

Now, let's solve for the normal cost for an individual (N):

$150 = 12N - $60

12N = $150 + $60

12N = $210

N = $210 / 12

N = $17.50

So, the normal cost for an individual is $17.50.

To know more about normal cost:

https://brainly.com/question/32219743


#SPJ3

find area of the shaded portion of the figure ​

Answers

Answer:

[tex]\sf C) \quad 57 \frac34 \:cm^2[/tex]

Step-by-step explanation:

To find the shaded area, subtract the area of the semicircle from the area of the rectangle.

Formulae

[tex]\textsf{Area of a rectangle}=\textsf{width} \times \textsf{length}[/tex]

[tex]\textsf{Area of a semicircle}=\dfrac12 \pi r^2 \quad \textsf{(where r is the radius)}[/tex]

[tex]\textsf{Diameter of a circle}=2r \quad \textsf{(where r is the radius)}[/tex]

Area of rectangle

Given dimensions of the rectangle:

width = 7 cmlength = 11 cm

Substituting these values into the formula:

[tex]\implies \textsf{Area}=\textsf{7} \times \textsf{11}=77\: \sf cm^2[/tex]

Area of semicircle

Diameter of semicircle = 11 - 2 - 2 = 7 cm

⇒ Radius (r) = 7 ÷ 2 = 3.5 cm

[tex]\textsf{let}\: \pi=\dfrac{22}{7}[/tex]

[tex]\implies \textsf{Area}=\dfrac12 \left(\dfrac{22}{7}\right) (3.5)^2=19.25\: \sf cm^2[/tex]

Area of shaded region

= area of rectangle - area of semicircle

= 77 - 19.25

= 57.75

[tex]\sf =57 \frac34 \:cm^2[/tex]


I’m confused please help!

Answers

Answer:

See below

Step-by-step explanation:

c will be tha same as the labelled angle = 99 degrees

  then c + b = a straight line = 180

             99 + b   = 180

                    b = 81 degrees

select the equivalent expression (3^3*6^6)^-3

Answers

Answer: Choice B and Choice D

Step-by-step explanation:

4^-2 * 7^-2= 16*49=784

Answer:

B & C

Step-by-step explanation:

[tex]4^-^2*7^-^2[/tex] is equal to [tex]\frac{1}{784}[/tex]

[tex]\frac{1}{28^2}[/tex] is also requal to [tex]\frac{1}{784}[/tex]

[tex]\frac{7^-^2}{4^2}[/tex] is also equal to [tex]\frac{1}{784}[/tex]

Is 2.67034165508… rational or unrational?

Answers

Answer- Rational because is a repeating decimal

Answer:

Unrational

Step-by-step explanation:

Step 1:  Determine what is rational and unrational

"A rational number includes any whole number, fraction, or decimal that ends or repeats. An irrational number is any number that cannot be turned into a fraction, so any number that does not fit the definition of a rational number."

Step 2:  Now determine what our number fits into

Since our decimal isn't a whole number, isn't a fraction, and it is a decimal that continues to either repeat or just continues.  Therefore, our number would fit into the unrational category.  If our number is just 2.67034165508 then it would be a rational number since it ends.  However, since we have the ... at the end that means that it continues and therefore falls into the unrational category.

Answer: Unrational

Every day when Brandon arrives at work he must decide to either take the stairs or use the elevator to get to his office on the third floor. What type of decision is this

Answers

Answer:

would you rather, i think

P is a rectangle with length 40 cm and width x cm. Q is a rectangle with width y cm. P The length of Q is 25% more than the length of P. The area of Q is 10% less than the area of P. Work out the ratio x : y x cm Give your answer in its simplest form. 40 cm Q y cm

Answers

From rectangle P and Q, the ratio of x to y is 25/18

What is an equation?

An equation is an expression used to show the relationship between two or more numbers and variables.

Area of P = 40 * x = 40x cm²

Area of Q = y * (1.25 * 40) = 50y cm²

Given that area of Q = 90% if P = 0.9(40x) = 36x cm²

50y cm² = 36x cm²

x/y = 50/36 = 25/18

From rectangle P and Q, the ratio of x to y is 25/18

Find out more on equation at: https://brainly.com/question/2972832

Calculate the area of a square with side length 12 cm

Answers

Answer:

144 cm^2

Step-by-step explanation:

A square has equal sides, and so if one side is 12 cm, so are the rest.

So 12 * 12 = 144.

Answer:

c

Step-by-step explanation:

which fraction is equivlent to 8/10

Answers

Answer:

4/5 or 16/20

Step-by-step explanation:

did my best with the info provided

Answer:

4/5

Step-by-step explanation:

8/10 = 80%  1. / the fraction by 2

4/5 = 80%

Which of the following functions has a rate of change that stays the same?
A:y = 4x+10
B:y=-4x+10
C:y = 3^x
D:y = x² + 2​

Answers

Answer:

C:y = 3^x

Step-by-step explanation:

The answer is C because the rate of change is always -6.

In 2010, Cameron invested $10,000 in an account that earns 8. 5% interest compounded monthly. How much money would Cameron have gained by 2025?

Answers

Answer:

Step-by-step explanation:

First, we need to calculate how many years will earn percent.

2010---->2025= 15 years elapsed. Now we have our time, we need to plug it in our compound interest formula=

Principal(rate+1)^time or A=P(1+R)^t

10,000(0.085+1)^15

=$33,997.43

To calculate how much Cam earned, you need to subtract from original amount.

=$33,997.43-10,000=

---->$23997.43

Please mark me brainiest :)

answer this super simple word problem for so many points

Answers

Answer:

60kph

Step-by-step explanation:

Distance = Rate X Time

640 = r x 4+ (r+5) x 7

640 = 4r + 7r + 35

640=11r + 35

640 - 35 = 11r

605 = 11r

r = 605 / 11

r= 55 kph

r=55 =5 =60 kph is the speed of the train

To see if the answer is right: 55 x 4 + 60 x 7 = 220 + 420 = 640 km

a. Subtraction Property of Equality
b. Addition Property of Equality
c. Division Property of Equality
d. Multiplication Property of Equality

Answers

Answer:

The correct answer would be option A; Subtraction Property of Equality

Step-by-step explanation:

This is because you are subtracting 3 on both sides of the equation to go from;

x + 3 = 17

to

x = 14

Hope this helps!

The graph of a linear function is shown on the grid.
Which equation is best represented by this graph?

Answers

Answer:

C

Step-by-step explanation:

Because thats the answer

The function h(x) is given in the table above.
Which of the following choices shows the
average rate of change of the function over the
interval 2 ≤ x ≤ 6?
A. 6/4
B. -3/2
C.-7/6
D. -1

Answers

[tex]\bold{ANSWER:}[/tex]
B. -3/2

[tex]\bold{EXPLANATIONS:}[/tex]
h(2)=9h(6)=3

Rate of change

h(6)-h(2)/6-23-9/6-2-6/4-3/2

Option B

Brady dilates an oblique prism by a scale factor of 2/3. Determine the scale factors for perimeter, area, and Volume. (Answer as a fraction)

Answers

Using proportions, it is found that:

The scale factor for the perimeter is of [tex]\frac{2}{3}[/tex].The scale factor for the area is of [tex]\frac{4}{9}[/tex].The scale factor for the volume is of [tex]\frac{8}{27}[/tex].

What is a proportion?

A proportion is a fraction of a total amount.

For the perimeter, as it is given in units, the scale factor is the same, hence it is of [tex]\frac{2}{3}[/tex].

For the area, as it is given in units squared, the scale factor is squared, hence:

[tex]\left(\frac{2}{3}\right)^2 = \frac{4}{9}[/tex]

For the volume, as it is given in cubic units, the scale factor is eleveted to the third power, hence:

[tex]\left(\frac{2}{3}\right)^3 = \frac{8}{27}[/tex]

More can be learned about proportions at https://brainly.com/question/24372153

The endpoints of a
diameter of a circle are (2,
4) and (-4, 7). What is the
standard form of the
equation
of this circle?

I know one of the answer is not c

Hurry i got like 30 mins left and a girl is tired

Answers

Answer:

2nd option

Step-by-step explanation:

the equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k ) are the coordinates of the centre and r is the radius

the centre is at the midpoint of the endpoints of the diameter.

The coordinates of the centre is the average of the coordinates of the endpoints.

centre = ( [tex]\frac{-4+2}{2}[/tex], [tex]\frac{7-1}{2}[/tex] ) = ([tex]\frac{-2}{2}[/tex] , [tex]\frac{6}{2}[/tex] ) = (- 1, 3 )

the radius is the distance from the centre to either of the endpoints

using the distance formula to calculate r

r = [tex]\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2[/tex]

with (x₁, y₁ ) = (- 1, 3 ) and (x₂, y₂ ) = (2, - 1 )

r = [tex]\sqrt{(2-(-1))^2+(-1-3)^2}[/tex]

  = [tex]\sqrt{(2+1)^2+(-4)^2}[/tex]

  = [tex]\sqrt{3^2+16}[/tex]

  = [tex]\sqrt{9+16}[/tex]

  = [tex]\sqrt{25}[/tex]

   = 5

then equation of circle is

(x - (- 1) )² + (y - 3)² = 5² , that is

(x + 1)² + (y - 3)² = 25

Which expression is equivalent to startfraction 3 x over x 1 endfractiondivided by x 1?

Answers

The expression that is equivalent to [3/(x + 1)] ÷ 1/(x + 1)] after simplification is gotten as; 3

How to simplify fractions?

We want to simplify the expression;

[3/(x + 1)] ÷ 1/(x + 1)]

This fraction expression will be re-expressed as;

[3/(x + 1)] * (x + 1)/1

x + 1 will cancel out to give us the expression as;

[3/(x + 1)] * (x + 1)/1 = 3

Read more about simplification of fractions at; https://brainly.com/question/6109670

Answer:

Step-by-step explanation:

c

Determine the length of the missing side.

Answers

Answer:

5

Step-by-step explanation:

pythagorean triple is 5-12-14 or use pythagorean theorem

b=[tex]\sqrt{ 13^{2} -12^{2} }=\\\sqrt{169-144} =\\\sqrt{25} =5[/tex]

Answer: 5

Step-by-step explanation: The square root of 13²- 12²

Help and show work please I beg u!

Answers

The figure has 2 right angles , B and A.

CAD = 90° - 35° = 55°
[Option B]

Which factored form is equivalent to the expression x^2 + 5x + 4? A) (x + 2)(x + 3) B) (x + 4)(x + 1) C) (x + 5)(x − 1) D) (x − 4)(x + 1)

Answers

Answer ↓

option B.

Calculations ↓

First, let's think of two numbers so that :

if we multiply these numbers, we'll get 4if we add these numbers, we'll get 5

These numbers are :

4 and 1

Plug these numbers here :

(x+4) (x+1)

So the correct factored form of this expression is

Option B) (x+4)(x+1)

[tex]\footnotesize\text{hope\:helpful~}}[/tex]

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