How many types of angles are there in class 7?

Answers

Answer 1

There are basically 6 types of angles are there which are acute, obtuse, right, straight, reflex and complete angles.

If an angle is less than 90 degrees, it is known as an acute angle. If an angle is more than 90 degrees, then it is called an obtuse angle. If an angle is exactly 90 degrees, then it is called the right angle.

If an angle is precisely 180 degrees, then it is called a straight angle. If the angle is more than 180 degrees but less than 270 degrees, it is known as a reflex angle. A full 360-degree angle is called a complete angle.

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Related Questions

35% of ____ = $3.50 find the unknown number​

Answers

Answer:

10

Step-by-step explanation:

35% of x = 3.5  To change a percent to a decimal, divide by 100%

.35x = 3.5  Divide both sides by 3.5

[tex]\frac{.35x}{.35}[/tex] = [tex]\frac{3.5}{.35}[/tex]

x = 10

Check:

.35 x 10 = 3.3.5 = 3.5

Answer:

10

Step-by-step explanation:

Let the unknown number be x.

35% of x = 3.50

35/100 * x = 3.50

35x = 3.50 * 100

35x = 350

x = 350/35

x = 10

Hence, the unknown number is 10.

What is the degree of polynomial 5x³ 4x² 7x?

Answers

The degree of polynomial in 5x³ 4x² 7x is 3, since the highest power of variable is 3.

What is degree of polynomial?

The degree of polynomials, which determines the maximum number of solutions a function could have and how frequently a function will cross the x-axis on a graph, is one of the key ideas in mathematics. Polynomials are also important because they help us understand how functions can be represented mathematically. In the equation involving polynomials, it has the highest exponential power.

In a polynomial equation, a variable's greatest power is its degree. Only the terms with variables are taken into consideration when calculating a polynomial function's degree. The polynomials degree can be determined by looking at the variable term's highest exponential power.

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Use the distributive property to rewrite each expression. Then evaluate. 14 (102)

Answers

Using the distributive property to rewrite the expression, gives (14 x 10) + ( 14 x 2). When evaluated, the result would be 168.

What is the distributive property?

According to the distributive property, it is necessary to multiply each of the two numbers by the factor before performing the addition operation when a factor is multiplied by the sum or addition of two terms.

This means that with the formula given, 14 (10 + 2):, the distributive property makes it:

= 14 (10 + 2)

= (14 x 10) + ( 14 x 2)

The evaluation gives :

= (14 x 10) + ( 14 x 2)

= 140 + 28

= 168

In conclusion, using the distributive property gives (14 x 10) + ( 14 x 2).

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i need help pls I'm struggling .

Answers

Answer:

answer: 1/36 or 2.8%

Step-by-step explanation:

Green is the answer because probability for this will be found by doing the chances for both multiplied by each other there is a 1/6 chance of getting 5 so 1/6 x 1/6 = 1/36 so thats why green is the answer. Hope that helps!

Saad yearly income is rs 236000.How much income tax he paid

Answers

Saad's income tax will be N.I.L.

Here, saad's yearly income is Rs 2,36,000.

The rate of income tax on his income will be nil because,

    INCOME                                TAX RATE

0-2,50,000                                    NIL

2,50,000-5,00,000                       5%

5,00,001-10,00,000                       20%

More than 10,00,000                      30%

                          Computation of tax liability of Saad

Tax on 1st 2,36,000 = N.I.L

As his income is less than 2,50,000 no income tax shall be charged to saad's income.

Therefore, the tax liability of saad would be 0.

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CAN SOMEONE HELP PLEASE !

Answers

Answer:

a= 1

b= 3

c= 1

d= 2

e= 6

f= 8

Step-by-step explanation:

_________

Giving Brainliest! The scatter plot shows the atmospheric carbon dioxide concentration since 2005. Select the correct answers in the drop down menu.

Answers

Answer:

cannot see what is in drop-downs but here are my answers:

risen

428.643

strong positive

highly accurate

Step-by-step explanation:

Can you form a triangle with side lengths 8 9 and 17?

Answers

No, you cannot form a triangle with side lengths 8, 9, and 17. The sum of any two sides of a triangle must be larger than the remaining side. 8 + 9 = 17, which is not larger than 17.

1. A triangle is a three sided polygon with three angles and three sides.

2. In order to form a triangle, the sum of any two sides of the triangle must be larger than the remaining side.

3. To test if a triangle can be formed with side lengths 8, 9, and 17, we need to add two of the sides together and see if the result is larger than the remaining side.

4. 8 + 9 = 17, which is not larger than 17, so a triangle cannot be formed with side lengths 8, 9, and 17.

5. Therefore, you cannot form a triangle with side lengths 8, 9, and 17.

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if you decrease £40 by 25% what do you get? i'm really bad at dividing and all that..

Answers

Answer:

£30

Step-by-step explanation:

hii :)

to solve this you can divide 40 by a hundred (to find 1%) and multiply that by 25 percent (to get 25% of 40) and then subtract that to find the decrease of 40 by 25%.

so 40/100=0.4

0.4*25=10

40-10= £30

hope this helped :)

hurry please
An isometric transformation is applied to a trapezoid to create a parallelogram
What is the length of JK?

6 cm
7 cm
10 cm
13 cm

Answers

The answer to this question is b

Round off 5698 and 8236to the nearest tens.After rounding them off, add them. Then, Round off the sum to the nearest hundred. What do you get?

Answers

Answer:

13900

Step-by-step explanation:

Round off 5698 to it nearest tens

5700

Then Round off 8236 to its nearest tens

8240

Add up 5700 + 8240 = 13940

Round off 13940 to its nearest hundred

13900

Find the surface area of the prism. HELP IT DUe in 10 mins so I will mark you as brainly if you answer correctly

Answers

Answer:

answer: 740

Step-by-step explanation:

Hope that helps!

What does += mean in Python?

Answers

In Python an operator += is an assignment operator which adds the value on its right to the variable and assigns the result to the variable on its left.

We know that an operator is a symbol that represents a mathematical or logical process.

We know that in Python the operator += provides a convenient way to add a value to an existing variable and assign the new value back to the same variable.

If p += q

This means,  the variable p the left side is getting added to the value on the right side (q), and the result is then reassigned to the variable on the left.

i.e., p = p + q

+= is an assignment operator.

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Sandy had 211 dollars to spend on 9 books. After buying them she had 13 dollars. How much did each book cost ?

Answers

Answer: $22

Step-by-step explanation:

211 - 13 = 198

198/ 9 = 22

Hiiioo! Someone please help me out!❤️:)

Answers

Answer:

bxwxh base x width x height.

Step-by-step explanation:

b=4

w=11

h=3

What does =] mean in text?

Answers

It typically means that the person is being friendly and is in a good mood.The expression =] is often used as an emoticon to express friendliness, positivity, and happiness. It can be used as a stand-alone expression or as part of a longer sentence.

The expression =] is commonly used in text conversations as an emoticon to express friendliness, positivity, and happiness. It is typically used when a person wants to convey a feeling of warmth and good cheer. The expression can be used as a stand-alone expression or as part of a longer sentence. When used alone, it has a meaning similar to a smiley face and can be used to respond to a message in a positive way. When used as part of a longer sentence, it can be used to express a feeling of contentment. As an emoticon, it has no specific meaning, but it can be used to show that the person is in a positive and good mood. Using this expression can be a way to show that you are happy and in a friendly mood.

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During a football game the hawks lost 5 yards due to a penalty and lost 6 yards from a quarterback sack. Write and solve an expression that represents the situation.

Answers

An expression that describes the given situation is; Total yards = -6 - 5 and the solution is -11

How to solve basic number problems?

In mathematics, a positive number means we have a plus sign before the number which means if we have +2, it means that there has been a gain of 2 units. In a similar manner, a negative number represents a loss which means that if we have -3, it simply means there is a loss or reduction of 3.

Now, we are told that during a football game, the hawks lost 5 yards due to a penalty and lost 6 yards from a quarterback sack. Thus, using the concept of positive and negative numbers above, we can develop the total number of yards as;

Total yards = -6 - 5

Total yards = - 11 yards

This represents a loss.

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What kinds of problems are not solved by algorithms?

Answers

Answer:

Undecidable Problems

Step-by-step explanation:

How do you solve the equation 5t 3 3t 5?

Answers

By solving the equation 5t - 3 = 3t - 5 we get the equation is true when t = -1. So the solution is t = -1.

To solve the equation 5t - 3 = 3t - 5, you can use algebraic manipulation to isolate the variable on one side of the equation.

The first step is to get all the terms with the variable on one side of the equation and all the constant terms on the other side.

5t - 3 = 3t - 5

adding 3 to both sides:

5t = 3t - 2

subtracting 3t from both sides:

2t = -2

then divide both sides by 2:

t = -1

So the solution is t = -1, meaning that when t = -1, the equation is true.

--The question is not clear, answering to the question below--

"How do you solve the equation 5t - 3 = 3t - 5?"

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Im sick and tired of people not answerimg my question or trolling me. PLEASE ANSWER ive been stuck on this for 15 minutes

Answers

Answer:

no, because she needs 480 grams and the bottle only contains 350

Step-by-step explanation:

i'm sorry you had to wait , i hate trolls as well :(

Help please I don’t understand

Answers

Your answer is wrong. The correct answer is J. She needs to jog another 285 yards.

3 miles is equal to 5280 yards. If she jogged so for 4,995 yards, you need to subtract 4,995 from 5280. Therefore, she needs to jog 285 more yards. Hope this helps! Good Luck!

need help asap!!! will give brainliest!!!

Answers

Answer:

27

Step-by-step explanation:

Marking brainliest

Can someone tell me why animal testing is bad?

Answers

The harmful use of animals in experiments is not only cruel but also often ineffective. Animals do not get many of the human diseases that people do, such as major types of heart disease, many types of cancer, HIV, Parkinson's disease, or schizophrenia.

In ΔXYZ, x = 5. 2 inches, y = 9. 8 inches and z=7. 1 inches. Find the measure of ∠Z to the nearest degree

Answers

The measure of ∠Z is 165 degrees to the nearest degree.

In a triangle, the measure of each angle is equal to the sum of the measures of the other two angles subtracted from 180 degrees. This is known as the Triangle Sum Theorem.

Given that x = 5.2 inches, y = 9.8 inches, and z = 7.1 inches in triangle XYZ, we can use the theorem to find the measure of angle Z.

∠Z = 180 - (x+y)

∠Z = 180 - (5.2+9.8)

∠Z = 180 - 15

∠Z = 165

So the measure of ∠Z is 165 degrees to the nearest degree.

Therefore, The measure of ∠Z is 165 degrees to the nearest degree.

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Pam said the equations x/16=4 and x/4=16 have the same solution. Is she correct? Explain

Answers

well, maybe Pam has been eating the wrong chips or something, but if she's correct, that can only happen if both equations are exactly equal, are they?

[tex]\boxed{\cfrac{x}{16}=4}\implies x=(16)(4)\implies \cfrac{x}{4}=16 \\\\[-0.35em] ~\dotfill\\\\ \cfrac{x}{4}=16\implies x=(4)(16)\implies \boxed{\cfrac{x}{16}=4}\qquad \begin{array}{llll} \textit{yeap, Pam is correct}\\ \textit{she's Da Bomb} \end{array}[/tex]

PLEASE HELP QUICK!!!

Answers

Answer:

b

Step-by-step explanation:

B is the answer .....

d(n)=-5(1/2)^n-1 what is the 3rd term in the sequence

Answers

Answer:

-1.25

Step-by-step explanation:

Better to write this as

a(n)= -5(1/2)^(n-1)

Then the 3rd term is a(3) = -5(1/2)^(3 - 1), or  a(3) = -5(1/2)^2  = -5/4 = -1.25

Answer:

-1.25

Step-by-step explanation:

thats the answer on khan

How do you check if a trinomial is a perfect square trinomial?

Answers

The binomial equation can be squared to provide an expression that is a perfect square trinomial.

what is perfect square ?

Perfect squares result from squaring an integer. One such example is the number 81, which is a perfect square since it can be derived by squaring 9: 99=81. 144 is a perfect square since it can be generated by squaring the number 12, which results in 12. 169 is a perfect square since it can be squared to produce the number 13. mathematics-specific language Informally: When an integer (a "whole") number, whether positive, negative, or zero, is multiplied by itself, the result is referred to as a square number, a perfect square, or simply "a square". Accordingly, all square numbers are 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, and so on.

given

The binomial equation can be squared to provide an expression that is a perfect square trinomial.

If and only if a trinomial that takes the form ax 2 + bx + c satisfies the requirement b 2 = 4ac is considered to be a perfect square.

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Simplify: [tex]\frac{10^4}{10^6}[/tex]

Answers

Answer:

1/100, or 0.01, or 10^-2

Step-by-step explanation:

Simplify to get 1/10^2

and evaluate to get 1/100 or some the alternative forms (see above)

PLEASE I REALLY NEED HELP!!! DUE SOON

Answers

Answer:

Answer is 69.08 m

Step-by-step explanation:

use formula 2 pie r

radius=diameter/2

=22/2

=11

therefore radius is 11

put the value of radius in the formula 2 pie r

pie=3.14

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