Mathematics High School

А A
B
D
If m_ABD = 64°, and mZCBD = 30°,
then m ABC = [?]°

Answers

Answer 1

Answer:

34 degrees

Step-by-step explanation:

If ABD = 64, and CBD is 30, we can use PWP( Part Whole Postulate)

Step 1.CBD + ABC = ABD

Step 2. Substitute

30 + ABC = 64

Step 3. Isolate ABC

34 = ABC

ABC is 34 degrees

Answer 2

9514 1404 393

Answer:

34°

Step-by-step explanation:

It should be fairly intuitive that the two smaller angles add to give the value of the larger one. (Even if it's not, the angle sum theorem tells you this is true.)

∠ABC + ∠CBD = ∠ABD

∠ABC + 30° = 64°

∠ABC = 34° . . . . . . . . . subtract 30° from both sides of the equation

Related Questions

Bill has a large collection of paperback books. He decided to donate 1/3 of them to his local library. If he had 126 to start with, how many does he have left?

Answers

Answer:

Step-by-step explanation:

yeah so can u help me

Answers

Answer:

5 + (-9) = -4

I hope this helps!

12.Simplify (4x + 7)2- (4x – 7)2

Answers

Answer:

Step-by-step explanation:

are you asking for ^2? The power of 2 is differnet than just 2

also brainliest pls

(4x + 7)2 - (4x - 7)2
8x + 14 - 8x - 14
0x + 0

The plant runs 80 hours a week. A day has 24 hours. How many days does the plant run each week? ( hint: include the reminder.)

Answers

Answer:

Step-by-step explanation:

Answer:

3 days and 8 hours

Step-by-step explanation:

80 ÷ 24 = 3.3333333333 (you get what i mean)

3 days and .3333333333 more of a day

24 ÷ 3 = 8

8 hours

3 days and eight hours

HOPE THIS HELPS

PLZZ MARK BRAINLIEST

Pls give me the answer only if you know! Thanks!

Answers

Answer:

Angle Side Angle, aka ASA. The triangle LAP is congruent to triangle TAX

Step-by-step explanation:

Angle P and x are congruent, side AX and AP are congruent, and angle LAP and angle TAX are congruent because vertical angles are congruent.

#teamtrees #WAP (Water And Plant)

please help this is my last question
At football practice the coach ends practice with sprint drills. Starting at the endzone, players sprint to the 10 yard line and back, the 25 yard line and back, and finally the 50 yard line and back. How much ground in yards is covered if all 11 players complete the drill.

Answers

Answer:

100

Step-by-step explanation:

Answer:170 because they ran back each time and an re ran the yards again im not sure about this though so check again

Step-by-step explanation:10+10+25+25+50+50=170

3. The variance of a set of positive numbers p.(p-5).(p-2), (p-3) (2p-5)is 5.84.
(a) Calculate the value of p.

Answers

Answer:

(a) p = 7

Step-by-step explanation:

The given parameters are;

p, (p - 5), (p - 2), (p - 3), and (2·p - 5) is 5.84

(a) Therefore we have;

The mean of the numbers = (p + (p - 5) + (p - 2) + (p - 3) + (2·p - 5))/5 = (6·p - 15)/5

The mean of the numbers = (6·p - 15)/5 = 6/5·p - 3

Using an online tool, we have;

The variance = (p - (6/5·p - 3))² + ((p - 5) - (6/5·p - 3))² + ((p - 2) - (6/5·p - 3))² + ((p - 3) - (6/5·p - 3))² + ((2·p - 5) - (6/5·p - 3))²/5 = 4/25·p² - 4/5·p + 18/5 = 5.84

Therefore, we have;

4/25·p² - 4/5·p + 18/5 = 5.84

4/25·p² - 4/5·p + 18/5 - 5.84 = 0

4/25·p² - 4/5·p - 2.24 = 0

Using the quadratic formula, we have;

p = (4/5 ± √((4/5)² - 4× 4/25×(-2.24)))/(2 × 4/25)

Which gives;

p = 7, or p = -2

Given that the numbers are positive, we have the only solution as p = 7

someone please tell me how to do this

Answers

Answer:

Step-by-step explanation:

r=√gm/v^2

Please help!!!!!!!!!

Answers

Answer:

hopes it's helps

Step-by-step explanation:

I got 20 blocks for my answer

Answer:

20 blocks from the bottom

Step-by-step explanation:

red - 3. 6. 9. 12. 18. 21. 24. 27.

green - 5. 10. 20. 25.

yellow - 15. 30.

the 20th block is the third painted green block from the bottom

A store sells 3 cans of beans for $9. What is the price of 7 cans of beans?

Answers

Answer:

Step-by-step explanation:

because you divide 9 byy 3 and you get 3 so then you do 7 x 3 7x3 is 21

Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation.

If y varies as directly as the square of x, and y = 75/8 when x = 5, find y when x= 2

Answers

Answer:y=15/4

Step-by-step explanation:

start with general form y = kx. substitute in the pair of values you know for x and y.

75/8 = k(5) multiply both sides by 1/5 to solve for k, getting

15/8 = k

So your equation is y = (15/8)x substitute 2 for x to find your new y.

y = (15/8)2

y = 15/4

how will I put this in an equation a giraffe is 4 tines as tall as a gorilla the gorilla is 6 feet tall

Answers

Answer:

WHY IS IT SO TALL

Step-by-step explanation:

WHY WHY WHY

Find the product.

(3x^2+7)(6x^2−4x+5)

Answers

Answer:

18x^4 − 12x^3 + 57x^2 − 28x + 35

Answer:1

−

Step-by-

Find the Midpoint of a segment with the following endpoints. Type your
final answer in the provided box
(-1, 4) and (4,1)

Answers

Answer:

3/2;5/2

Step-by-step explanation:

-1+4/2 ; 4+1/2

3/2 ; 5/2

On a piece of paper, graph y< - 3/4 x + 2. Then determine which answer choice matches the graph you drew.
A
B
C
D

Answers

I think it’s B but I am not sure

This graph represents inequality y < - 3/4 x + 2 which is correct option(A).

What is graph?

A graph can be defined as a pictorial representation or a diagram that represents data or values.

This graph represents inequality y < - 3/4 x + 2

Learn more about graph

https://brainly.com/question/16608196

#SPJ2

the length of the Triangle are 5 inches amd 8 inches. which of the following lengths could be the length of the third side of triangle? select all apply
a = 5 inches
B= 13 inches
C = 7 inches
D = 4 inches

Answers

Answer:

A, C, D

Step-by-step explanation:

Triangle inequality theorem states than the sum of any two sides must be greater than the third side

A = 5 inches

Correct

B = 13 inches

Incorrect as 5 + 8 = 13

C = 7 inches

Correct

D = 4 inches

Correct

Q7. Average of 60 numbers are 55. When 10 more numbers are included, the average of
70 numbers become 75. Find the
average of 10 numbers.

Answers

Answer:

The average of the 10 numbers is 195

Step-by-step explanation:

The average of a set of numbers is the sum of the numbers dividing by their number

Average = The sum ÷ The number

∵ The average of 60 numbers is 55

∴ The average = 55

∴ The number = 60

→ Substitute them in the rule above to find the sum of the numbers

∵ 55 = The sum ÷ 60

→ Multiply each side by 60

∴ 3300 = The sum

∴ The sum of the 60 numbers = 3300

∵ 10 more numbers are included

∵ The average of 70 numbers become 75

∴ The average = 75

∴ The number = 70

→ Substitute them in the rule above to find the sum of the numbers

∵ 75 = The sum ÷ 70

→ Multiply each side by 70

∴ 5250 = The sum

∴ The sum of the 70 numbers = 5250

∵ The sum of the 10 numbers that added is the difference between

the sums of the 60 and 70 numbers

∵ The difference between the sums = 5250 - 3300

∴ The difference between the sums = 1950

→ To find the average of them divide their sum by 10

∵ The average of the 10 numbers = 1950 ÷ 10

∴ The average of the 10 numbers = 195

Please each value on the number line!

Answers

1,4,2,3 is the order

Here you go the answers:

Would you classify the number 55 as a perfect square, perfect cube, both, or neither

Answers

Answer:

Neither

Step-by-step explanation:

Jennifer has already written 34 pages, and she expects to write 1 page for every additional
hour spent writing. How many hours will Jennifer have to spend writing this week in order
to have written a total of 48 pages?

Answers

Answer:

14 more hours

Step-by-step explanation:

Answer:

14 hours

Step-by-step explanation:

48 - 34 is 14, so every page is an hour, so 14 hours

find the values of x,y, and z

Answers

Z=125 because vertical angles are equal.
Y=55 because 180-125=55
X= 50 because 75+55= 130 and 180-130= 50
Hope this helps :D

Plz help me give 13 point it’s timed helpplz

Answers

Answer:

yyyy

Step-by-step explanation:

The diameter of a cart wheel is 26 inches. How far will it
go in one rotation?

Answers

Step-by-step explanation:

To find the distance travelled, you first have to find the circumference. After all, that is the part which actually touches the ground in the first place. The formula for the circumference is 2πr = C, where π=3.14, r is the radius (or half diameter). As such, we can plug in the values:

2*3.14*(26/2)=C -> 6.28*13=C -> 81.64 in = C

Step-by-step explanation:

Commutative law under addition says- p + q = q + p. Commutative law under multiplication says p x q = q x p. Note- Rational numbers, integers and whole numbers are commutative under addition and multiplication. Rational numbers, integers and whole numbers are non commutative under subtraction and division.

Which of the following is the slope of the line passing through the
points (-12, 16) and(-12, -5)?

Answers

Answer:

I think the slope is UNDEFINED

y²-y¹/x²-x¹

(-5)-(16)/(-12)-(-12)

-21/0

=Undefined

I need a check so just want some help

Answers

Answer and Step-by-step explanation:

We are told that AB is equal to 3x + 1.

BC is then half of AB, or [tex]\frac{3x+1}{2}[/tex].

AC is then 4 less than BC, or [tex](\frac{3x+1}{2} ) - 4[/tex]

To find the perimeter, we add all of these together.

3x + 3x/2 + 3x/2 = 6x

1 + 1/2 + (1/2 - 4) = -2

The final answer is 6x - 2.

#teamtrees #WAP (Water And Plant)

is made up of a whole number and a fraction.

Answers

Answer:

Wut

Step-by-step explanation:

I am only doing this for points :D Uwu

what is the value of ?

Answers

The value of the angle is 105 degrees.

100 POINTS GEOMETRY QUESTION PLEASE ANSWER !!!!!!

Answers

Answer:

Step-by-step explanation:

ABC have sides: 5, 7 and 10

5^2 + 7^2 = 25+47 = 72 < 10^2

so triangle ABC is obtuse

JKL has sides: 12, 35 and 37

12^2 + 35^2 = 144 + 1225 = 1369 = 37^2

so triangle JKL is right-angled

PQR has sides 12, 10 and 16

12^2 + 10^2 = 144 + 100 = 244 > 16^2

so triangle PQR is acute

Answer:

Step-by-step explanation:

missing the Q: it asks 2 classify the triangles.

so the ans:

ABC - obtuse

JKL - right-angled

PQR - acute

HELP ME PLEASE! how do you write 610 as a scientific notation ??

Answers

Welcome to 610 in scientific notation, our post about writing the number six hundred and ten in scientific notation.

If you have been looking for 610 in exponential form, 610 as a power of 10, or what is 610 in scientific notation, then you are right here, too.

In this post you can find everything about the scientific notation of 610, including the normalized form and the number written in e-notation.

Read on to learn everything about the scientific notation of six hundred and ten.

To answer the question what is 610 in scientific notation let’s recall how to convert 610 to scientific notation as detailed on our home page.

When you split the number 610 into a coefficient and a power of 10 you do get 610 in exponential form, but there is an indefinite number of possibilities.

As you probably want 610 in normalized scientific notation, the coefficient or significand of 610 in scientific notation must be in the interval [1,10[.

As there are many ways to express 610 in scientific notation, in this post we mean 610 in normalized scientific notation, unless stated otherwise. Therefore:

610 in scientific notation = 6.1 × 102.

This can also be expressed as 6.1 × 10^2, using the caret symbol, or as 6.1e+2, which is called 610 in e-notation, further discussed in the section ahead.
Regarding our converter:

Our tool changes any decimal number including 610 to standard index form. If your press the swap button, then 610 is changed back to decimal form.

Our tool displays converted numbers in a special form of scientific notation, which means that the superscripted part of × 102 is denoted by ^2.

I hope and help you is the answer and a little explanation!!

Halp, the answer is either A, B, C, or D

Answers

Answer:

Step-by-step explanation:

Answer:

The answer is A

Step-by-step explanation:

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А A B D If m_ABD = 64°, and mZCBD = 30°, then m ABC = [?]°

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А A
B
D
If m_ABD = 64°, and mZCBD = 30°,
then m ABC = [?]°