MATHEMATICS MIDDLE SCHOOL

HEEEELP PLEASE
I dont understand
HEEEELP PLEASE I dont understand - 1

Answers

Answer 1
Answer:

Answer:

y = 0.5x

Step-by-step explanation:

(y)/(x)=a\to y=ax\n\n\text{We have}\ x=1,\ y=0.5.\n\n\text{Substitute:}\n\na=(0.5)/(1)=0.5\n\n\text{Therefore}\ y=0.5x
Answer 2
Answer:

Answer:

y = 0.5x

Step-by-step explanation:

x = 1; y = 0.5; 0,5 is (1)/(2) of 1

1 * 0.5 would equal 0.5

So, y = 0.5x

Hope this helps :)

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James says tat 5/5 is greater than 9/10 is he correct Explain

Answers

okay so 5/5 is a whole so it equals 1 or 100% but 9/10 is 0.90 not a whole and is 90% Understand? lets say you had two tests. one test you got 5 out of 5 and got 100% and in another you had 10 questions and got 9 correct getting 90% the first test you had a higher score
yes, because 5/5 equals a whole wich is 1 5 times so its would be 5 but 9/10 is only 1.5 so james  is right

Need help on question 9

Answers

Answer: Choice A) The figure and its image are similar, but not congruent, and the image has been translated 1 unit up.

The jump from (x,y) to (2x,2y) means we dilated by a scale factor of 2. The image is twice as large as its original. There is no way the two figures are congruent (the larger image has longer side lengths). Despite congruence not being preserved, the two figures are the same shape, so they are similar figures. After the dilation is done, the "+1" tacked onto the "2y" means we shifted every point up 1 unit.

Which expression represents the polynomial −2x2−4x4+8x+x5−2x3 rewritten in descending order? A-  −2x2−4x4+8x+x5−2x3
B- −4x4−2x2+8x+x5−2x3
C- −4x4−2x3−2x2+8x+x5
D- x5−4x4−2x3−2x2+8x
E- 8x+x5−2x2−2x3−4x4

Answers

For this case we have the following polynomial:

P (x) = - 2x ^ 2-4x ^ 4 + 8x + x ^ 5-2x ^ 3

By definition, a polynomial in its standard form is given by:

f (x) = ax ^ n ... + bx ^ i + ... cx ^ 3 + dx ^ 2 + ex + f

Where:

a, b, c, d, e, f: They are the coefficients of each term of the polynomial.

x: It is the variable

n, i, 3,2,1,0: They are the exponents of each term of the polynomial, where n is the exponent of greater degree.

In this case they ask us to order the given polynomial, in a descending way, that is, from greater to lesser degree.

So, we have:

P (x) = x ^ 5-4x ^ 4-2x ^ 3-2x ^ 2 + 8x

Thus, the polynomial in its descending form is given by:

P (x) = x ^ 5-4x ^ 4-2x ^ 3-2x ^ 2 + 8x

Answer:

Option D

Answer:

option D

Step-by-step explanation:

Can somebody please help me with 10 Probability #?

Answers

             I'm sorry but I know the answer is deffinetly c or d

The minimum and maximum temperature for a day in Cupcake Town can be modeled by the equation below: 3|x − 8| + 15 = 18 What are the minimum and maximum temperatures for this day?

Answers

3|x − 8| =18 - 15 = 3
|x − 8| = 3/3 = 1
x − 8 = \pm1
x = \pm1 + 8
x = 1 + 8 or x = -1 + 8
x = 9 or x = 7
i.e. minimum temperature is 7 while the maximum temperature is 9

Whats 7630918 to the nearest 1000

Answers

7630918 rounded to the nearest 1000 is 7,631,000
The nearest 100 is the third digit in a number to the left of 0.  In this case, that number is 9.  If the number after 9 was greater than 4, the 9 would be rounded up.  However, because 1 is less than 5, the 9 remains the same. 

The answer is 9630900. 
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