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4 years ago

Find the sum 1/-2 + 3/10

Mathematics

1 answer:

labwork [276]4 years ago

3 0

Decimal Form: − 0.2

Exact Form: − 1/5

Step-by-step explanation: To add fractions, find the LCD and then combine.

Brainliest or a thank you if im right please :)) <3

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Help me please!!!!!!!!

antoniya [11.8K]

Answer: 13 = 5x - 2

Step-by-step explanation:

2x + 3 = 8x - 15

2x + 15 = 8x

----------------------

2x + 18 = 8x

-2x + 18 = -2x

----------------------

18 = 6x ---> divide 18 by 6

----------------------

x = 3

13 = 5x - 2

+2 = 5x + 2

----------------

15 = 5x ---> divide 15 by 5

----------------

x = 3

4 0

3 years ago

Help again plaaseeeeeee

asambeis [7]

$a_1=57\\\\d=66-57=9\\\\\\a_{350}=57+(350-1)\cdot9=57+349\cdot9=57+3141=\boxed{3198}$

Answer B.

7 0

4 years ago

Three pirates named Ahab, Sparrow, and Davy play a game. The pirates have a total of 210 coins, and each pirate has a different

Alika [10]

Step-by-step explanation:

at the end of game, sparrow has $\frac{5}{4+5+6} \times 210=70$ coins. since he loss 5+7=12 coins, then at the beginning he has 70+12=82 coins

3 0

3 years ago

Solve p= 2/+ 2 w for w.

ryzh [129]

Answer:

B. W = (P - 2L) / 2

Step-by-step explanation:

(I'm gonna use capitals so it's easier to identify length and width variables)

P = 2L + 2W

Isolate w:

P - 2L = 2W

(P - 2L) / 2 = W

7 0

3 years ago

At a dinner party, two desserts are being served. Six of the guests choose cheesecake, and eight of the guests choose apple pie.

Maslowich

Answer:

When six guests choose cheesecake and eight choose apple pie, the ratio is 6:8. If we use the same prompt but change 6 to 3 and change 8 to 4, the ratio becomes 3:4 with the pie graph looking exactly the same.

6:8 comes out to a total of 14 people

and 3:4 comes out to a total of 7 people

The two ratios are equivalent due to the graphs looking exactly the same as well as that 14 is double of 7.

Step-by-step explanation:

6 0

3 years ago