MATHEMATICS MIDDLE SCHOOL

The value of x+y/y is an integer when y=4. which of the following is a possible value of x?​A) -16
B) 2
C) 9
D) 15
E) 26

Answers

Answer 1
Answer:

Assuming that you mean

(x+y)/(y)

if we let y=4, the expression becomes

(x+4)/(4)

This is an integer if and only if x+4 is a multiple of 4, which in turn happens if and only if x is itself a multiple of 4.

So, the only good options are the multiple of 4, in your case -16.

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In a line of students, Jenna is number 8.The teacher says that a rule for a number pattern is add 4. The first student inline says the first term, 7. What number should Jenna say?

Answers

Answer:

Formula for nth term in Arithmetic sequences is:

a_n =a+(n-1)d

where a is the first term, d is the common difference and n is the number of terms.

As per the statement:

The rule for the pattern is add 4.

As the first term in line says the first term i,e 7

a= 7

common difference(d)= 7

As the Jenna number is 8th in line.

Series we get;

7, 11, .........a_8

We have to find the 8th term.

n = 8, a = 7 and d = 4

Using above formula:

a_8 = 7+(8-1)4 = 7+7 \cdot 4 = 7 +28 = 35

Therefore, 35 number should Jenna say.
7 , 11 , 15,19,23,27,31,35. Jenna should say 35.

£245 £140 £525 £174 £195 £163 £140
what is the mode?

Answers

The mode is the number that repeats itself the most in a sequence. In this case, the mode will be £140 since it repeats itslef the most (2 times).


Hope it helped,


BioTeacher101

How do you write this ratio 24 messages: 10 messages as a fraction

Answers

Hi there! A ratio is the same thing as a fraction. So, we have a ratio of 24 messages: 10 messages. That would be 24/10. If you want to simplify 24/10 that would be 12/5. But 12/5 as a mixed number would be 2 2/5.
Foreword

Your image appears to be that of the aftermath of a supernova explosion.

Content

Ratios such as x apples to y apples can be written in fraction form as x/y.  Usually ratios compare non-like objects like apples and oranges.

Anyways, we can write 24 messages:10 messages as:

(24)/(10)

It can thus be simplified.  Note, however, that we cannot write this in mixed fraction form because it is a ratio; it must stay in improper form.

(24)/(10) = (12)/(5)

At a concert 5/9 of the people in line are girls. 2/3 are wearing glasses, what fraction of the people are wearing glasses?

Answers

6/9 of the girls are wearing glasses since they need a same dinaminato bieng changed to 9 whatever you do to the buttom you do to the top equalling 6/9

Write the scientific notation form of 235,000,000,000

Answers

2.35^11 . You have to make the first three numbers less than zero and then count from where you put your decimal place to find the exponent. 

I need help on number 19.

Answers

Add the fractions 1/4 and 3/8
First find the LCD of 1/4 and 3/8.  8 is the LCD.
Turn 1/4 into 2/8.
Now add.
3/8+2/8=5/8

Hope this helps!
C it would be C becuse 3 8ths plus 1 4ths equals 4 8ths
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