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3 years ago

Hi! can you please help me? please show your answer!

Mathematics

1 answer:

Sergio039 [100]3 years ago

3 0

Answer:

1) f=−8/7 2) z=−3/7

Step-by-step explanation:

1)-f+8=-8f

−f+8=−8f

Step 1: Add 8f to both sides.

−f+8+8f=−8f+8f

7f+8=0

Step 2: Subtract 8 from both sides.

7f+8−8=0−8

7f=−8

Step 3: Divide both sides by 7.

7f/7=−8/7

f=-8/7

2) 6z-5=-z-8

6z−5=−z−8

Step 1: Add z to both sides.

6z−5+z=−z−8+z

7z−5=−8

Step 2: Add 5 to both sides.

7z−5+5=−8+5

7z=−3

Step 3: Divide both sides by 7.

7z/7=−3/7

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ms. ling's cooking class made 3 gallons of blackberry jam and 14 cups of strawberry jam. how many cups of jam did the class make

PtichkaEL [24]

1 gallon=16 cups
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plus 14 mroe
48+14=62 cups total

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3 years ago

Me ajuda ai por favor tenho que entregar amanhã

elena-14-01-66 [18.8K]

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3 years ago

After sailing 12 mi, a sailor changed direction and increased the boat's speed by 4 mph. an additional 18 mi was sailed at the i

inessss [21]

Let the speed for the first 12 mi be x mi/h, the speed for 18 mi was (x+4) mi/h
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time=distance/speed
the average time will be:
3=(12+18)/(x+x+4)
3=30/(2x+4)
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3(2x+4)=30
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3 years ago

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zmey [24]

Answer:

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3 0

3 years ago

2 + 4 + 5 - 7 x 6 =

il63 [147K]

Answer:

-31

Step-by-step explanation:

We need to use BODMAS to figure out the answer to this extremely difficult question:

So first we need to multiply:

-7 × 6 = -42

Then we need to add:

2 + 4 + 5 = 11

Now we need to subtract:

11 - 42 = -31

8 0

3 years ago

Read 2 more answers