Which expression has a value of 8, using only four 4s and any of the following: + , – , • , ÷, exponents, and/or parentheses? A. 4 • 4 – 4 – 4

B. 4 • 4 • 4 – 4

C. 4 • 4 + 4 – 4

D. 4 • (4 + 4) – 4

Answers

Answer 1

Answer: PEMDAS
A. 4*4-4-4=16-4-4=12-4=8 true
B. 4*4*4-4=16*4-4=64-4=60, not 8 false
C. 4*4+4-4=16+0=16, not 8, incorect
D. 4(4+4)-4=4(8)-4=32-4=28, not 8 incorrect

A

Answer 2

Answer:

Answer:

Step-by-step explanation:

4x4-4-4= 8

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Leena knits 10 rows in 12 min. At this pace, how long will it take her to knit the next 25 rows?How many minutes did it take?

Answers

10 rows in 12 mins.....

Break it into parts. We have two tens and one 5. So.... we have 2 multiplied by 12. Then, half of ten is 5. So we do half of twelve which is 6. We add 24 + 6 = 30. 30 mins. (Mark as brainliest) Hope this helped!

How do I do this? Help

Answers

Since each point of the triangle is going to be 1.5 times as far from the center of dilation, each side will increase by a factor of 1.5..

3 x 1.5 = 4.5m
4 x 1.5 = 6m
5 x 1.5 = 7.5m

So the perimeter of the new triangle will be 4.5 + 6 + 7.5 = 18 meters

Ill give brainliest help asap2 point field goal
3 point field goal
He made 21 shots
He scored 47 points

write 2 equations that can be made using this data. this is system of equations btw

basically what would be my "x" and what would be my "y"

Answers

Answer:

$x+y=21$

$2x+3y=47$

Step-by-step explanation:

Lets have x be the number of 2 point field goals and y be the number of 3 point field goals.

We know that the number of shots was 21, this means that

$x+y=21$

We know that he scored 47 points, this means that

$2x+3y=47$

T is to 9 as 7 is to 39

Answers

Answer:

T = 21/13

Step-by-step explanation:

Step 1: Make an expression

T is to 9 as 7 is to 39

$(T)/(9) = (7)/(39)$

Step 2: Cross multiply

$(T)/(9) = (7)/(39)$

39(T) = 7(9)

39t = 63

Step 3: Divide both sides by 39

39T / 39 = 63 / 39

T = 21 / 13

Answer: T = 21/13

(02.02 MC)Tim mixed 2 parts vinegar and 5 parts water to make a cleaning liquid. How many parts of vinegar did Tim mix with each part of water?

one over ten
one over five
two over seven
two over five

Answers

Answer:

2/5 or two over five

Step-by-step explanation:

2:5

Divide each by 5

2/5 : 1

2/5 * 1

2/5

Answer: 2 over 7

Step-by-step explanation:

2/(2+5) = 2/7

When adding or subtracting fractions with like denominators, the denominators will change.true or false

Answers

false because if you add your denominators your just going to get your answer wrong. Only your numerator should change. If you have unlike denominators then the denominators will change.

Answer:

False

Step-by-step explanation:

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