How many terms are in the expression 20x + 9y

Answers

Answer 1

Answer: Two terms:

20x and 9y

Answer 2

Answer: A Term is either a single number or a variable.

There are 2 terms.

Term 1 : = 20x

Term 2 : = 9y

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Which choice is the explicit formula for the following geometric sequence?0.5, -0.1, 0.02, -0.004, 0.0008, ...
Kyle is pulled back on a swing so that the rope forms an angle of 30° with the vertical. The distance from the top of the swing set directly to the ground is 12 feet. Find Kyle’s height off the ground, x, when he is in the pulled-back position. Round the answer to the nearest hundredth.
What is the value of103x10-5x1010———————-106A. 102B. 108C. 1012D. 1014E. 1025
A restaurant sells tea for $1.50 plus 0.50 per refill. The restaurant brews enough tea for 4 refills per customer . The linear function that represents the total cost of rtea refills is C(r) = 0.5r + 1.5 . Describe an appropriate domain of this function . Make sure to identify the set of numbers appropriate to the domain

(a)
127.5
is what percent of
51
?

Answers

To solve this, you need to divide 127.5 by 51:
127.5/51 = 2.5
To find the percent, multiply 2.5 by 100:
2.5 x 100% = 250%
So 127.5 is 250% of 51

Blakemore elementary school has 1,000 students. each of the 15 student council members of Blakemore Elementary School is responsable for telling exactly 2 other students about the upcoming school pep assembly. Each of those 2 is then responsable for telling 2 other students. It takes 15 minutes for each round of students to be told. How many minutes will take for 1,000 students to receive the information about the pep assembly?Minute students total number of students told

0 15 15
15 30 15+30=45
30 60 45+60=105

Answers

It seems like you already have it but you haven't done the work all the way through yet. anyway Here:

Minutes: Students:
45 120
60 240
75 480
90 960
105 1000+

Answer:

end of round1 -- 30 students -- 15 minutes

round2 -- 60 -- 30 min

round3 -- 120 -- 45

round4 -- 240 -- 60

round5 -- 480 -- 75

ruond6 -- 960 -- 90

round7 --1920 -- 105

Step-by-step explanation:

1. How can you use an equation to make a prediction from a pattern? 2. Pizza costs $1.50 per slice. Use a table and an equation to represent the relationship between the number of slices of pizza bought and the total cost.

Answers

So for question 1, Well, using an equation to make a prediction for patterns is pretty easy, really. It is also very efficient. When you look at the pattern, you should be able to make an equation based upon the pattern, or any previous patterns, and using that, you can make an equation to solve or figure out other parts of the pattern.

HELP ASAP CLICK Here !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

probability is (desired outcomes)/(total possible)

ok so 2 blue cards
5 blue cards
out of 8 total
5/8 is first
second draw is 4/7 since it has 1 less and assume that you picked a blue
5/8 times 4/7=20/56=10/28=5/14

proabtility is 5/14
the blank is 14

Simplify (–x2 +5) – (3 – 4x2)

Answers

$(-x^(2) +5)-(3-4 x^(2) )$
To simplify this, use the FOIL method. First, Outer, Inner, Last.
First: Multiply the first numbers in each set of parentheses.
$-x^(2) *-3=3 x^(2)$
Outer: Multiply the two outermost numbers in the equation.
$-x^(2) *-4 x^(2) =5 x^(4)$
Inner: Multiply the two innermost numbers in the equation.
$5*-3=-15$
Last: Multiply the last numbers in each set of parentheses.
$5*-4 x^(2) =-20 x^(2)$
Then, we put them all together in an equation, from the highest exponent to the lowest, then highest prefix (number before the variable) to lowest.
$5 x^(4) -20 x^(2) +3 x^(2) -15$
And simplify.
$5 x^(4) -17 x^(2) -15$

when you subtract you have to change the signs so it would be -3+4x2
then you combine like terms to get 3x2+2 i am assuming the 2"s mean squared

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A. If a polygon is a square, it has four right angles.
If a polygon is a rectangle, then it has four right angles.
If a polygon is a rectangle, then it is a square.

B. If a number is divisible by 12, then it is divisible by 6.
If a number is divisible by 6, then it is divisible by 2.
If a number is divisible by 12, then it is divisible by 2

C. If it is a dog, then it barks.
If it has a tail, then it is an animal.
If it is a dog, then it barks and has a tail.

D. If an animal can swim, then it has fins.
If an animal is a fish, then it has fins.
If an animal can swim, then it is a fish.

Answers

A). is a syllogism with an undistributed middle. That makes it false.

B). is valid.

C). is quasi-logical nonsense.

D). is another defective syllogism. False.

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