MATHEMATICS MIDDLE SCHOOL

If f(x) = 6x – 4, what is f(x) when x = 8?
A2
B16
C44
D52

Answers

Answer 1
Answer:

Answer:

C. 44

Step-by-step explanation:

f(x) = 6x – 4

Plug in x = 8 into the function

f(8) =  6(8)  – 4

=48 - 4

= 44

Answer

C. 44

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The ratio of Spanish students to French students at a high school is 3:2. Which statement is true? CLEAR CHECK There are 2 Spanish students for every 3 French students. 2323 of the total of French and Spanish students are French students. The number of Spanish students is 1.5 times the number of French students. If there is a total of 100 French and Spanish students, 32 of them are Spanish students.

Answers

the number of Spanish students is 1.5 times the number of French students
There is 1/5 time's more Spanish students than French students.

Hope it helped! If it did not help just tell me in the comment box below!

Maggie has 7 tiles with pictures of plants and 2 tiles with pictures of animals. Maggie keeps all the tiles on a mat with the pictures hidden and mixes them up. She then turns one tile face up and finds the picture of a plant on it. She removes this tile from the mat and turns over another tile without looking. What is the probability that the second tile that Maggie turns over has a plant on it?

Answers

Answer:

(3)/(4)

Step-by-step explanation:

We are given that Maggie has 7 tiles with pictures of plants and 2 tiles with pictures of animals .

Number of tiles with picture of plants =7

Number of tiles with picture of animals =2

Total number of tiles =7+2=9

We have to find the probability that the second tile that Maggie turns over has  plant on it .

When she removes one tile of picture of plant then she has number of tiles of picture of plants =6

Total number of tiles =8

Probability,P(E)=(Number\;of\;favorable\;cases)/(Total\;number\;of\;cases)

Using the formula then we get

The probability that she finds tile of picture of plant =(6)/(8)=(3)/(4)

Answer:6/8 - - - - simplified 3/4

Step-by-step explanation: removing the tile she just flipped over would be 6 plants and 2 animals so there would be 8 total tiles and you would putt the remaining tiles over it like so 6/8 meaning out of the remaining 8 tiles 6 of them are plants giving her a 6 in 8 chance or a 3 in 4 chance

Urgent! Can someone help me on these questions?

Answers

I'm pretty sure y=3 because if it's reflected on the y-axis it would have t be the same number just positive. for the first one

What is 72 % of 350 friends

Answers

'is' in mathematics means equal
'of' in mathematics means multiplication

72% can also be written as 72/100

We are solving for the variable 'x'

x = (72)/(100) * 350\n\nx = 72 * 3.5\n\n\boxed{\bf{x = 252}}
350 friends* (72/100)= 252 friends.

Final answer: 252 friends~

There are  students in a small class. To make a team, the names of  of them will be drawn from a hat. How many different teams of  students are possible?

Answers

e.g\na\ small\ class\ has\ 15\ students\ and\ we\ will\ choose\ 3-person\ team\n\nthe\ number\ of\ possible\ teams\ is\n\n {n \choose k}={15 \choose 3}= (15!)/(3!\cdot(15-3)!)= (12!\cdot13\cdot14\cdot15)/(2\cdot3\cdot12!) = (13\cdot2\cdot7\cdot3\cdot5)/(2\cdot3) = 13\cdot7\cdot5=455

PLEASE ANSWER ASAP! VERY IMPORTANT! MORE POINTS GIVEN!William said that when you multiply three positive and negative decimals, the answer changes depending on where you place the parentheses. Use these numbers to answer the questions: –2.4, –0.63, 1.8, –3.42

Write a rule describing the results when one multiplies three positive and negative decimals and
changes the order of multiplication using parentheses.

Answers

so as seen in the previous problem and using the associative propery of multiplication which is a(bc)=(ab)c we can conclude that the order doesn't matter so then we find the part with the positives and negatives
so we will see what happens when we multipliy positives and negatives
so we remember these rules
(+)=positive
(-)=negative
(+) times (+)=(+)
(-) times (-)=(+)
(+) times (-)=(-)
(-) times (+)=(-)

basically group in pairs and write the signs down to conclude proper signs ex.
-2 times 2 times 4 times -3 would be (-2 times +2) times (+4 times -3) or (- times +) times (+ times -)=(-) times (-) =+
basically just do this over and over again untill you get 1 sign



basically the rule is if you multiply 2 pairs of signs, if the signs are the same, then the result is positive
if the signs are different, then the result is negative

(+) times (+)=(+)
(-) times (-)=(+)
(+) times (-)=(-)
(-) times (+)=(-)
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