MATHEMATICS MIDDLE SCHOOL

Estimate the difference between 206 and 167

Answers

Answer 1
Answer: 206-167=39
answer- 39

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What is the value of c in the equation y = 4x^2 -10x + c if the y-coordinate of the vertex is -7

Answers

Answer: c=-(3)/(4)

Step-by-step explanation:

Find the x-coordinate of the vertex with this formula:

x=(-b)/(2a)

In this case:

a=4\nb=-10

Substituting values, we get:

x=(-(-10))/(2(4))=(5)/(4)

Now we can substitute the coordinates of the vertex into the equation y = 4x^2 -10x + c and then solve for "c".

Then:

-7 = 4((5)/(4))^2 -10((5)/(4)) + c\n\n-7+(25)/(4)=c\n\nc=-(3)/(4)

2. D 3/4 (POR). Which of the following are the coordinates of R'?A. (4/3, -4)

B. (3/4, -9/4)

C. (3, 4)

D. (-9/4, 0)

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Answers

Answer:

A. 4/3, -4 I believe is the correct answer.

What is the LCM of 18 and 45 ?

Answers


Their least common multiple is  90 .

90 = 5 x 18

90 = 2 x 45

The prime factorization of 293 in expanded form

Answers

You've come to the right place. Here is the answer: None, because 293 is a prime number.

Hope I Helped You!!! :-)

Have A Good Day!!!

Answer:

hello

Step-by-step explanation:

What is a equaled sign

Answers

An equal sign is a symbol in mathematics.

It is to indicate that the given terms are equal. 

It is also used to indicate a mathematical equality. 

An equal sign looks like ( = ) this. 
an equal sign is a symbol that looks like =

what is the equation of a line passing through (2,1) and is perpendicular to the line containing points (2,-2) and (4,10)?

Answers

Answer:

y = -1/6x - 14

Step-by-step explanation:

The equation for the first line is y = 6x - 14

Convert the slope 6 so it becomes -1/6
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Which equation shows the inverse property of multiplication?4 + (-4) = 0-8 + (-3) = -3 + (-8)2 times one-half = 1Eight-fifths + 0 = Eight-fifths
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