find <ABC =2x and <CBD=3x-10​

Find &lt;ABC =2x And &lt;CBD=3x-10

Answers

Answer 1

Answer:

x = 20

Step-by-step explanation:

m<ABC and m<CBA are complementary angles which means their sum is 90 degrees:

2x + 3x - 10 = 90 add like terms

5x - 10 = 90 add 10 to both sides

5x = 100 divide both sides by 5

x = 20 to find the angles replace x with 20

m<ABC = 40 and

m<CBA = 50


Related Questions

a $2400 deposit for 8 years compounded at annual interest rate of 4.5% what is the interest and the total value

Answers

Answer:

$3,619.09

Step-by-step explanation:

liam deposits $2400 into an account that earns 8.3% interest compounded quarterly.

Compound interest formula is

where A is the final amount

P is the initial amount deposited

r is the rate of interest

n is the compounding period

t is the time in years

P= 2400, r= 8.3%= 0.083, t=5, n=4 (quarterly)

Plug in all the values

A= 3619.09

The profit that a company makes selling an item (in thousands of dollars) depends on the price of the item in dollars). If p is the price of
the item, then three equivalent forms for the profit are:

Standard form: -2p+ 24p - 54
Factored form: -20p - 3)(P-9)
Vertex form: -2(p - 6) + 18.

Which form is most useful for finding
1. The prices that give a profit of zero dollars? Explain
2. The profit when the price is zero? Explain
3. The price that gives the maximum profit? Explain

Answers

Answer:

what is this. Is this subject of english or math

Step-by-step explanation:

i hope you understand

(-2c + 5) + (-6.3c - 20) answer plsss

Answers

Answer:   - 8.3c - 15

Step-by-step explanation:

(-2c + 5) + (-6.3c - 20)

-2c + 5 - 6.3c - 20

-2c - 6.3c - 20 + 5

- 8.3c - 15

What is one of the major uses of physical geography?​

Answers

Answer:

Its purpose is to understand how the Earth's physical environment is the basis for, and is affected by, human activity

Step-by-step explanation:

2x + 5 = 3 + 2(x + 1). Which choice describes the meaning of her result, 5 = 5?

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

1. Start by using the distributive property with 2(x+1) --> 2x+2

2. Your equation will be 2x + 5 = 3 + 2x + 2

3. Add the 3 and the two on the left side to be 5 + 2x

4. Your equation will be 2x + 5 = 5 + 2x

5. Now minus 2x from both sides so the 2x will cancel out

6. 5 = 5

please help!!!!!!!!!!!!!!!!!!!

Answers

25-12=13
He got $12 and added that to the money he already had. Adding up to $25, to know what he had before you subtract his total from what he received

Can someone please help me?
100 Points

Answers

Answer:nahhhhh

Step-by-step explanation:id rather not

Need help on this math
Complete the relative frequency table based on the total number of people surveyed.

Type the correct answer in each box. Round your answers to the nearest hundredth.

Answers

Answer:bobo magaral kakasi

Step-bybobo-step explanation:

Answer:

0.21  

0.65

0.16

0.4

Step-by-step explanation:

Your mum

3:2 is equivalent to

Answers

Answer:

9:6 27:18 and 81: 54

Step-by-step explanation:

Write the equation of the perpendicular bisector of the segment formed by the following points: (-1,1) (5,-5).

Answers

Answer:

(x-h) (y-k)

h=1

k=-5

Step-by-step explanation:

I don't really know what is the best way to answer it

She measure the length of the trees shadow ( on the ground) which was 42 meters. Then she positioned the ladder. Which was 2.4 meters high, and measured its shadow. The ladders shadow ( on the ground) was exactly 3 meters

Answers

Answer:

The tree was 33.6 meters tall.

Step-by-step explanation:

So the question is "How tall is the tree?" I take it.

tree height/shadow length = ladder height / shadow length

Notice that the heights are both in the numerator. A proportion should always do this. It should have the same units on either the two denominators or the 2 numerators.

x / 42 = 2.4 / 3                  Multiply both sides by 42

x = 42 * 2.4 / 3

x = 100.8 / 3

x = 33.6

Answer:

33.6

Step-by-step explanation:

x/42 = 2.4/3

x = 2.4/3 x 42

x = 2.4/1 x 14

x = 33.6/1

x = 33.6

What is the value of x?
Enter your answer in the box.

Answers

Step-by-step explanation:

2(x + 10) = 3x - 30

2x + 20 = 3x - 30

2x - 3x = -30 - 20

-x = -50

x = 50°

is b=x+(-a) a rational number

Answers

Answer:

No. It's not rational because B is an Irrational number.

PLZ help quiz will mark brainlyist 25 points
Is there enough information to prove that the triangles are congruent?

If yes, provide the correct Triangle Congruence Postulate or Theorem and a congruence statement.
If no, justify your answer. HELP PLEASE VERY IMPORTANT

Answers

Answer:

The two triangles are congruent because the squares in the corner state it's 90 degrees, and the two tick marks show they are also congruent. \

Answer:

Yes

Step-by-step explanation:

Yes

ASA Criterion for Congruence

ASA Criterion stands for Angle-Side-Angle Criterion. Under ASA criterion, two triangles are congruent if any two angles and the side included between them of one triangle are equal to the corresponding angles and the included side of the other triangle.

Here Angle Q and Angle S are 90  

and side QR = RS

and Angle QRP = Angle SRT (Vertically opposite angles)

By that we can prove these two triangles are congruent

Help me plzz this is hard

Answers

Answer:

153.9ft squared

Step-by-step explanation:

Use the calculation given

r = radius, so half the number given (14 is the diameter)

3.14 x (7 squared) = 153.9ft

what property should be used to solve this one-step equation : a-3=7

A Distributive Property
B Commutative Property of equality
C Associative Property of equality
D Addition Property of equality

Answers

Answer:

D

Step-by-step explanation:

a - 3 = 7 ( add 3 to both sides )

a - 3 + 3 = 7 + 3 , that is

a = 10

help how to do this pls ​

Answers

Answer:

its going 300 miles per hour

Step-by-step explanation:

Using the Different Sign rule with this problem
12-3=Y positive or negative and why?

Answers

The answer is positive. 12-3 is 9. Let’s think about it it this way, if you have any two numbers in an equation, either being subtracted by each other or added, in your case subtracted, 12-3, the bigger number’s absolute value will be the sign!

Answer:

it's may be positive.

Step-by-step explanation:

12-3=9

12 is positive and 3 is negative

12 is larger than 3.

the answer is should be positive.

here is a easy question :- if -25/5 x p/q =1 , then p/q is equal to ?

Answers

9514 1404 393

Answer:

  -1/5

Step-by-step explanation:

Divide by the coefficient of p/q:

  -25/5 × p/q / (-25/5) = 1 / (-25/5)

  p/q = -5/25

  p/q = -1/5 . . . . in reduced form

Okay Guys plz plz help like really

40 - 4k^3
k=2

and this:^ is the power to some like the power of 3

Answers

Answer:

8

Step-by-step explanation:

Plug in the value of k into your expression and solve.

40-4k^3

40-4(2)^3

40-4(8)

40-32

8

In Chicago, the temperature was -18°F degrees in the morning.
In the afternoon, the temperature dropped 8°F degrees.
What is the new temperature?
A) O°F
B) -26°F
C) -3°F
D) 6°F

Answers

Answer:

It's B which would be -26

You treated yourself and a friend to sodas and snacks at a concert. The total was $16.75. You tipped 15%, and there was a sales tax of 6.5%. What was the total amount you paid?

Answers

Answer:  $20.35

Step-by-step explanation: 16.75 * 0.15 = a 16.75 16.75 * 0.065 = b 16.75 + a + b

I need help with this plz

Answers

Answer:

6

Step-by-step explanation:

for 3 they need 4 cans of paint and for 2 they need 5 they add 1 too it everytime so 6

Can someone smart please help me with this geometry ( no links please)

Answers

Answer:

The answer is b

Step-by-step explanation:

Helllllllp pleaaase nooww

Answers

Answer:

RIP

Step-by-step explanation:

You poor child wth is this? May you rest in peace XP

find the value of z.

Answers

Answer:

z = 56

Step-by-step explanation:

z + 68 + z = 180

2z + 68 = 180

2z = 180 - 68

2z = 112

2z/2 = 112/2

z = 56

Step-by-step explanation:

since KJ and HI are parallel

z+68+z=180(cointerior angles sum up to 180)

2z+68=180

2z=180-68

2z=112

z=112/2

z=56

Find the 52nd term of the arithmetic sequence -8 -12 -16

Answers

Answer:

a₅₂ = - 212

Step-by-step explanation:

The nth term of an arithmetic sequence is

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = - 8 and d = a₂ - a₁ = - 12 - (- 8) = - 12 + 8 = - 4 , then

a₅₂ = - 8 + (51 × - 4) = - 8 - 204 = - 212

brainliest if one help

Answers

Answer:

12

Step-by-step explanation:

23=r+11

r=23-11

r=12

Answer:

r=12

Step-by-step explanation:

We are given the equation 23=r+11. To solve for r, one side of the equation needs to be r, so we will isolate r by subtracting 11 on both sides:

23-11=r+11-11

12=r

Because the +11 and -11 cancel out, we are left with r on the right side of the equation and 12 on the left side. Therefore, the value of r is 12, or r=12.


Which relation is a function? Explain.

Answers

A relation of a function is only if it relates each element in its domain to only one element in the range

I need answer for this quick please

Answers

Answer:

- 6

Step-by-step explanation:

The average rate of change of f(x) in the closed interval [ a, b ] is

[tex]\frac{f(b)-f(a)}{b-a}[/tex]

Here [ a, b ] = [ - 1, 4 ] , then

f(b) = f(4) = 4³ - 6(4)² - 4 = 64 - 96 - 4 = - 36

f(a) = f(- 1) = (- 1)³ - 6(- 1)² - (- 1) = - 1 - 6 + 1 = - 6 , then

average rate of change = [tex]\frac{-36-(-6)}{4-(-1)}[/tex] = [tex]\frac{-36+6}{4+1}[/tex] = [tex]\frac{-30}{5}[/tex] = - 6

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