Explain it How can you use a right angle to determine the classification of another angle?

Answers

Answer 1
Answer: Right angles are 90 degree angles

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25- {2 x (18 divided by 6) + 1]

What is the volume of the entire figure?

____cm3

Answers

Answer:

180cm3

Step-by-step explanation:

4x12x3=144

2x2x9=36

144+36=180cm3

Is(6, -8) a solution to the inequality 2x − y < 20 ?

Answers

20 is equal to 20 and not less. So, (6,-8) is not the solution to inequality 2x-y<20

Step-by-step explanation:

We need to find if (6, -8) a solution to the inequality 2x − y < 20 ?

putting x =6 and y = -8 in the given inequality

2x-y<20\n2(6)-(-8)<20\n12+8 < 20\n20 < 20(not\,\,true)

Since 20 is equal to 20 and not less. So, (6,-8) is not the solution to inequality 2x-y<20

Keywords: Inequality

Learn more about inequality at:

#learnwithBrainly

Write n+5n=______ in simplest form.

Answers

just add them together we get 6n. 


duh 6n werent you ever been taught algebra?

Write the steps for how to use a number line to multiply a 2-digit number by 20. give an example

Answers

To obtain the multiplication of 2 digits number by 20 first jump two times the 2 digit number then jump 10 times by the result we get in step 1.

Further explanation:

A straight line that has all real numbers is known as number line.

The steps involve in multiplying 2-digit number by 20 are as follows.

1. First multiply the two digit number by 2 and the get the result.

2. Multiply the result by 10 to obtain the final result.

For example we have to multiply 15 by 20 on the number line.

Following are the steps involve in multiply 15 by 20 on the number line.

Step 1

Multiply 15 by 2 as,

\begin{gathered}A = 15 \cdot 2 \n= 30 \n \end{gathered}

Make 2 jumps of 15 to get 30.

Step 2

Multiply 30 to 10 to obtain the final result.

\begin{gathered}B = 30 \cdot 10 \n = 300 \n \end{gathered}

Now make 10 jumps of 30 to get 300.

To obtain the multiplication of 2 digits number by 20 first jump two times the 2 digit number then jump 10 times by the result we get in step 1.

Kindly refer to the image attached to the question.

Learn more:

1. Problem on multiplication brainly.com/question/573729

2. Problem on division brainly.com/question/545132

3. Problem on lines brainly.com/question/8554769

Answer details:

Grade: Junior school

Subject: Mathematics

Chapter: Number line

Keywords: two digit number, number line, twenty, multiply, add, jump, examples, multiplication.

Final answer:

To multiply a 2-digit number by 20 using a number line, draw a number line, plot your 2-digit number, make jumps of 20 units equal to your 2-digit number. The end point is the product.

Explanation:

To use a number line to multiply a 2-digit number by 20, follow these steps:

  1. First, draw a number line. You can start at 0 and end at a number that is more than the product of your multiplication.
  2. Plot your 2-digit number on the number line.
  3. Start from your plotted point, and make jumps of 20 units each. The number of jumps should be equal to the quantity of your 2-digit number.
  4. The point where you land, after making the necessary jumps, is the product of your multiplication.

For example, if you want to multiply 3 by 20: plot 3 on your number line, jump 3 points of 20 units each from point 3. You will land at 60, which is the product of 3 and 20.

Learn more about Number line multiplication here:

brainly.com/question/34127166

#SPJ3

Which equation has a graph that is a parabola with a vertex at (-1, -1)?ОООО
O y = (x - 1)2 + 1
y = (x - 1)2 - 1
y = (x + 1)2 + 1
· y = (x + 1)2 - 1

Answers

Answer:

y = (x + 1)² - 1

Step-by-step explanation:

The equation of a parabola in vertex form is:

y = a(x - h)² + k

where the vertex is located at (h,k). Replacing with vertex at (-1, -1) we get:

y = a(x - (-1))² + (-1)

y = a(x + 1)² - 1

The only option with vertex at (-1, -1) is y = (x + 1)² - 1 (where a = 1)

Answer:

d

Step-by-step explanation:

Nora uses 2 feet of ribbon to make a bow. She has 8 yards of ribbon. how many bows can she makes?

Answers

She can make 12 bows because there are 3 feet in one yard so 8*3 is 24. then you divide 24 by 2 and you get 12 
2ft ribbon=1bow
8 yards of ribbon
1yard=3ft
She can make 12 bows!~
I hope this helps!~