What is the correct answer for 20 + 20 × 0 + 1 = ?

Answers

Answer 1

Answer:

The correct answer for the expression 20 + 20 × 0 + 1 by applying the rule of PEMDAS is equal to 21.

To explain in detail, we follow the order of operations (also known as PEMDAS ) to solve this expression step by step:

Parentheses Exponents Multiplication and Division (from left to right)

Addition and Subtraction (from left to right)

Let's solve the expression step by step:

20 + 20 × 0 + 1

20 + (20 × 0) + 1 [There are no parentheses or brackets]

20 + (0) + 1 [Perform the multiplication first (20 × 0 = 0)]

20 + 0 + 1 [Perform the addition (20 + 0 = 20)]

20 + 1 [Perform the addition (20 + 1 = 21)]

Therefore , the value of the given expression is equal to 21.

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Answer 2

Answer: The rule is when you don't have parenthesis you need to multiply and divide first from left to right, so

20+ 20x0 +1= 20 + 0 + 1=21

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George worked for 6.2 hrs each day for 5 days. He earned 18.50$ per hour. How much did he earn in all?

Answers

573.5

18.50 times 6.2 is how much he will make a day then multiply by 5 to see what he made

Determine the constant of proportionality for the graph.

PLEASE HELP ME!!!!

Answers

Answer:

$(1)/(5)$

Step-by-step explanation:

On your recent question- you stated that when the x value was 10, the y value was 2. The graph started at the origin. To find the constant of proportionality, use the equation $(rise)/(run)$ . In this case, the "run" was 10, since it went +10 from 0. The "rise" was 2, since it went +2 from 0.

$(2)/(10) = (1)/(5)$ simplified.

Factorise 3a squared + 7a

Answers

GCF: 1 (3 cant go into 7 and the other way around in whole number terms.)
So, 1 is the factor you are distributing.
1 goes into 3 three times.
1 goes into 7 seven times.
Don't forget your variable!

So the answer is: a(3a+ 7).

to factorise this we have to first find the biggest common factor. 3 and 7 are both are prime numbers so we can't factorise it by a number. but both numbers have an 'a' so we have to factorise it by a. hence the answer is,
a(3a+7).
hope it helps.

What is the value of y?114Answer:

Answers

Answer:

value of y is, $57^(\circ)$

Step-by-step explanation:

Exterior angle property of a triangle says that:

Sum of the two opposite interior angles.

From the given triangle:

Sum of two opposite interior angles = y +y = 2y

Since, 114 degree is an exterior angle of a triangle,

By Exterior angle property of a triangle :

$2y = 114$

Divide both sides by 2 we have;

y = 57 degree

Therefore, the value of y is, $57^(\circ)$

The opposite interior angles of the given triangle measure 57° each. So, the value of y is 57.

A triangle is one of the most basic geometric figures. It has 3 edges, 3 angles, and 3 vertices. The angle sum property of a triangle states that the sum of all three angles of a triangle is 180°. The property of triangles used in this question is that the sum of interior opposite angles measures the same as the exterior angle.

Since the sum of opposite interior angles is equal to the exterior angle, therefore in the given triangle,

$114^o = y^o + y^o\n114^o = 2y^o\ny^o = (114^o)/(2) \ny^o = 57^o$

Therefore, the value of y is 57.

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Find the discount if a $69.99 item is on sale for $39.99

Answers

ok so discount is how much you have to minus from the original to get the sale price
69.99=original
39.99=sale price
so
origial-discount=sale
69.99-discount=39.99
subtract 69.99 from both sides
-discount=-30
multiply by -1
discount=30

answer is $30.00

If you wanna find the discount the only thing you should do is to say:
69.99 - 39.99 = $30 :)))
I hope this is helpful
have a nice day

If two lines are perpendicular, what is the measure of the vertical angles?45°
100°
90°
180°

Answers

90 degrees because perpendicular lines are two or more lines that intersect at a 90-degree angle.

if two line are perpendicular the measure of the vertical angles would be 90 degrees.

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