MATHEMATICS MIDDLE SCHOOL

What is the constant term in the expression 2xy - 5x2 - 7x + 9?

Answers

Answer 1
Answer: it is nine because it is the only term without a variable
Answer 2
Answer:

Answer:

9?

Step-by-step explanation:

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What is scale factor?

Answers

Answer:

Scale Factor is: When you divide the old shape by the new shape (explanation is here)

Step-by-step explanation:

When you have 2 shapes (lets say Y is the old shape and F is the new shape) you would divide the old shape (Y) by the new shape (F)

Another example: lets say shape F is 12 cm and shape Y is 7 cm (F being the old and Y being the new shape) you would divide 12 and 7 to get the answer to that problem

A scale factor is a number which scales, or multiples, some quantity.

Naomi's pedometer recorded 43,498 steps in one week. Her goal is 88,942 steps. Naomi estimate she has about 50,000 more steps to meet her goal. Is Naomi's estimate reasonable?

Answers

yes it is not because 40 thousand + 5 thousand = 90,000  which is close to her goal

How to rewrite decimals to fractions before adding

Answers

Step 1: Write down the decimal divided by 1, like this: decimal/1Step 2: Multiply both top and bottom by 10 for every number after the decimal point. (For example, if there are two numbers after the decimal point, then use 100, if there are three then use 1000, etc.)Step 3: Simplify  (or reduce) the fraction . ( Did That Help ? ) 
fraction divide e.g. 7/20 is 7 divide by 20 equals 0.35.
in decimals you times it by 100
e.g. 0.35 x 100 equals 35%

and if your trying to find the fraction all yoju do is do the oposite

PLEASE HELP! Answer quickly for points!! There are 5 times as many tomato plants as there are cucumber plants. The number of pepper plants is 7 more than the sum as tomato and cucumber plants. There are 19 pepper plants in the garden. How many tomato plants are there. How many cucumber plants are there?

Answers

let x= cucumber plants
5x= tomato plants
6x+7= pepper plants
peppers = 19 
therefore
6x+7=19
subtract 7 from both sides
6x= 12
 divide both sides by 6
x=2
replace the x with 2

2= cucumber plants
10= tomato plants

hope this helps

I NEED HELP ASAP Use Euler’s Formula to find the missing number ?
Faces:21
Vertices:14
Edges:?
A.34 B.32 C.33 D.36

Answers

Euler's formula is given by:
 C + V = A + 2
 Where,
 C: number of faces
 V: number of vertices
 A: number of edges.
 Clearing A we have:
 A = C + V-2
 Substituting values:
 A = 21 + 14-2
 A = 33
 Answer:
 the missing number is:
 C.33

How many times larger is 7 X 10 with Exponent of 5
than 1 X 10 with Exponent of 3 ?

Answers

1,680,700 times larger
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