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3 years ago

Which expression has a value of 20?

Mathematics

1 answer:

Mice21 [21]3 years ago

8 0

Answer:

the fist one is equal to 20

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Using approciate properties find -4/7*3/5+4/7*-1/5+2/5*-4/5

slega [8]

Answer: 0.548

Step-by-step explanation:

First you need to remember the formula for PEMDAS(Parenthesis,exponents,multiplication,divison,addition,subtractio)

you can do either multiplication or divison whichever comes first, same with addition+subtraction.

the underlined means to simplify

1.-0.57x3/5+4/7x-1/5+2/5x-4/5

2.-1.71/5+4/7x-1/5+2/5x-4/5

3.-0.342+4/7x-1/5+2/5x-4/5

4.-0.342+0.57x-1/5+2/5x-4/5

5.-0.342+0.57x-0.2+2/5x-4/5

6.-0.342+0.114+2/5x-4/5

7.-0.342+0.114+0.4x-4/5

8.-0.342+0.114+-1.6/5

9.-0.342+0.114+-0.32

10.-0.228+-0.32=-0.548

i did this all in one go so......

8 0

3 years ago

One evening, Mr. Smith, Sam, and Sydney went to see the Myrtle Beach Pelicans’ Game. They each bought a ticket and a hat that co

o-na [289]

Answer:

You can't answer this question without knowing the total amount of money they all had in total.

3 0

3 years ago

Solve the compound inequality. 9 – 4x ≥ 5 or 4(–1 + x) – 6 ≥ 2

Y_Kistochka [10]

X ≤ 1 and x ≥ 3
Hope this helps :)

5 0

3 years ago

Arun bought a pair of skates at a sale where the discount given was 20%. If the amount he pays is Dhs.4000, find the marked pric

vekshin1

B dhs.3200

because 10% of 4000=400
20%=800
4000-800=3200

4 0

3 years ago

Can any one please help me with these Math questions soon as possible?

disa [49]

Answer:

the answer to the first question is 9/27, 5/27, 13/27

the answer to the second question is 27/126, 33/126, 20/126, 42/126

the answer to the last question is 32/44

Step-by-step explanation:

they way you solve the fist two questions you just add the numbers up and that will tell you your probability.

for the last question you take the number of players and subtract it by 12 to get the top number

7 0

3 years ago