MATHEMATICS HIGH SCHOOL

The sum of 5 consecutive even numbers is 270 what is the second number in this sequence

Answers

Answer 1
Answer: 52+53+54+55+56 the second number is 53

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The expression 3.14 x 103 is scientific notation for which of the following values? 3143,14031,400314,000
PLEASE ANSWER ASAP! YOUR ANSWER MUST INCLUDE AN EXPLANATION ON ORDER TO RECEIVE POINTS AND THE BRAINLIEST ANSWER! THANKS!!!
What is the line symmetry for the graph of y= -3x^2+12x-11

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Answers

standard form is ax+by=c so
y=-2/3x+4
add 2/3x to both sides
2/3x+y=4
make whole numbers for niceness
multipily by 3 to clear fraction
2x+3y=12

answer is second one
We know that the standard form is
ax + by = c
So, let's solve this problem to get correct answer
y = -2/3x + 4 { multiplying each term by 3 }
3y = -2x + 12  { according to the standard form equation our x variable should be on other side so let move that} { adding 2x on both sides }
2x + 3y =  12 
 Hence the correct option is B.

If you want to check your answer resolve your answer and see if you get the same quotient.
2x + 3y = 12
3y = -2x + 12 { subtracting both sides by -2x }
y = -2/3x + 12/3 {dividing both sides by 3 } 
y = -2/3x + 4 { same as the quotient }

Hence proved.

Simplify 20/28 using the greatest common factor

Answers

Answer: 5/7

Step-by-step explanation:

To simplify 20/28 using the greatest common factor, we need to find the largest number that divides evenly into both 20 and 28. The greatest common factor of 20 and 28 is 4. Dividing both numbers by 4, we get 5/7. Therefore, 20/28 simplifies to 5/7.

Answer:

5/7

Step-by-step explanation:

20/28

(20/4)/(28/4)

5/7

The prediction equation y=1500x+90,000 can be used to model the value of a classic car x years after Mr. Alexander purchased it. Which of the following is the best interpretation of the y-intercept of the linear function?A) m=1500; The value of the car increases by $1500 each year.
B) m=90,000; The value of the car increases by $90,000 each year
C) b=90,000; The value of the car was $90,000 when Mr. Alexander purchased it.
D) b=1500; The value of the car was $1500 when Mr. Alexander purchased it.

Answers

C) b = 90,000; the value of the car was $90,000 when Mr. Alexander purchased it is your answer. The price of the car increases by 1,500 every year (m). But the y intercept (b) is 90,000. Hope this helps!

A regular quadrilateral has what type of symmetry?

Answers

Answer:

Line, point, and rotational symmetry.

Step-by-step explanation:

If a quadrilateral is regular then it must have equal angles and equal sides, which means that this shape is a square. It must have line, rotational, and point symmetry.

What is the theoretical probability of rolling an odd number on a fair die with six faces?3/4
1/2
1/3
1/6

Answers

In a die, there are 3 odd numbers, specifically: 1, 3 and 5.
In probability for a certain event, it is a ratio of the number of favorable outcomes over the total number of possible outcomes.

Since we have 3 favorable outcomes and 6 total possible outcomes, thus
P = 3/6 = 1/2 (in lowest term)

Please help! Will mark brainliest!

Answers

Answer:

5/2

Step-by-step explanation:

Move the 5^-3 to the denominator and add the exponents of like coefficents
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