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3 years ago

6z -2 =0 so wouldnt you take 6 from 2 which would make z=4

2 answers:

6 0

You would want to get the z by it’s self if you’re solving for z. So first you’d add to to both sides so it’d be 6z=2 then you’d divide each side by 6 so you’d get z= 2/6 and if your teacher wants a decimal answer put that in your calculator and get it but my teachers take the fraction answer.

ser-zykov [4K]3 years ago

3 0

You would not subtract 2 from 6 because they are not like terms that you can combine - one of them contains a variable.

You would solve this equation like so:

6z - 2 = 0 The given equation
6z = 2 Add 2 to both sides
z = 1/3 Divide both sides by 6

Answer:
z = 1/3

Hope this helps.

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Someone please help! find x round to the nearest tenth! trigonometry!

TEA [102]

Answer:

Step-by-step explanation:

Look at the picture.

Use sine:

$sine=\dfrac{opposite}{hypotenuse}$

We have a measure of the angle and length of the opposite:

$\alpha=28^o,\ opposite=350\ ft$

$\sin28^o\approx0.4695$

Substitute:

$\dfrac{350}{x}=0.4695$

$\dfrac{350}{x}=\dfrac{4695}{10000}$ cross multiply

$4695x=3500000$ divide both sides by 4695

$x=\dfrac{3500000}{4695}\to x\approx745.5$

5 0

3 years ago

How do you multiply three-digit numbers by other three- digit numbers?

Lera25 [3.4K]

Answer:

39,375

Step-by-step explanation:

So we are going to multiply 375 by 105. First we are going to multiply five by five which =25 so we put our five nd carry out 2 over the seven.

375

x 105

Then, we multiply 5 by 7 which =35 + 2 = 37. So we put our seven and carry our three.

375

x 105

Next, we multiply 5 by 3 which is 15 + 3 = 18 so we put down our 18 becuase we cant carry the one to another number.

375

x 105

1,875

Now, we put a zero before we start because each time we make a new line we have to add a zero first

375

x 105

1,875

Now we can start multiplying again. So 0 x 5 = 0 so we put our next zero. Then 0 x 7 = 0, put another zero. then 3 x 0 = 0, put our last zero.

375

x 105

1,875

0000

Okay, now time to multiply by one. Before we start because we started another new line we put 2 zeros because its our third line.

375

x 105

1,875

0000

Now we may begin multiplying by 1. 1 x 5 = 5. Then, 1 x 7 = 7. Finally 3 x 1 = 3

375

x 105

1,875

0000

37,500

Now we add up 1,875 + 37,500

1,875

+37,500

0 + 5 = 5 so we put our 5. Then 7 + 0 = 7 so we put our seven.

1,875

+37,500

Then 8 + 5 = 13 so we put our three and carry our one.

1,875

+37,500

375

Then 1 + 7 + 1 = 9 so we put our 9. And finally drop down the 3

1,875

+37,500

39,375

ALL DONE! Our answer is 39,375

Its always good to check with a calculator to make sure you are correct.

5 0

4 years ago

Li-Ming owns an ice cream shop. On Saturday evening from 6:00 PM to 7:00 PM, 80 people entered her shop. On Tuesday from 3:00 PM

KengaRu [80]

To find the percent decrease from Saturday to Tuesday, you will find the difference between the number of customers on those days and divided by the total number of customers on Saturday.

By dividing this you will get a decimal, which then can be converted to a percent.

80-17= 63

63/80 = 0.7875
0.7875 = 78.75%

There was a 78.75% decrease from Saturday to Tuesday.

6 0

3 years ago

Nicolas has three fewer than twice the number of songs downloaded as Sabrina does. Interpret the meaning of the expression 2x –

Nat2105 [25]

The number of songs is x so twice the nb of songs is 2x and 3 fewer than gives -3 so we obtain 2x-3

8 0

3 years ago

Read 2 more answers

F(x)=7.50x write the inverse of this relation

KATRIN_1 [288]

F(x) = yy = 7.50x
To find the inverse, swap x and yx = 7.50y
Now solve for yy = x/7.50f-1(x) = x/7.50

3 0

4 years ago