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Vlad [161]
3 years ago
7

Amy is scuba diving. She starts at – 15.5 m relative to the ocean surface. She swims

Mathematics
1 answer:
solniwko [45]3 years ago
3 0

Answer:

-9.85

Step-by-step explanation:

-15.5 - 4.2 = -19.7

Negatives work like positives

19.7 / 2 = 9.85

Turn that into a negative

-9.85

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Solve 9(8 - x) = 3x.
bulgar [2K]

Hello - let's do this step by step. Show your work.

You're asking: 9(8−x)=3x.

Now, simplify both sides of the equation.

9(8−x)=3x

(9)(8)+(9)(−x)=3x (To do that, distribute)

72+−9x=3x

−9x+72=3x

Now,  subtract 3x from both sides.

−9x+72−3x=3x−3x

Simplify,

−12x+72=0

After, subtract 72 from both sides.

−12x+72−72=0−72

−12x=−72

Last thing, divide both sides by -12.

-12x/12 = -72/-12

Divide.

Therefore, you have <u>x = 6</u> as your final answer.

7 0
3 years ago
Solve the equation 8y+1=17
Feliz [49]
Y is equal to two because you multiply 8 and 2 and you get 16 & you just add one and its 17
4 0
3 years ago
Read 2 more answers
Which fraction is closer to 1 than 0
Mrrafil [7]
For some reason, you're not letting us see the choices,
so I can only give you a most general answer:

-- Any positive fraction greater than  1/2  is closer to  1  than it is to  0 .

-- No negative fraction is.
4 0
3 years ago
How do the 8 differ in 38108
kvasek [131]
The left 8 represents 8000 units.
The right 8 represents 8 units.

Their placement in the number is used to signify the multiplier for the number of units they represent. That is why the number system is called a "place value number system." Each time the digit is moved left one place, its value increases by a factor of 10.
3 0
4 years ago
There are approximately 1.35 billion people in China. If the world population is 7.1 billion people, what percent of the world p
wlad13 [49]

Answer:

19.01%

Step-by- step explanation:

Percentage = \frac{1.35 billion }{ 7.1 billion } \times 100

                = \frac{ 1.35 \ times 1, 000, 000, 000} {7.1 \times 1,000,000,000} \times 100\\\\\\=\frac{1.35}{7.1} \times 100 = 19.01 \%

6 0
3 years ago
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