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3 years ago

Plz help Thank you very much!

Mathematics

2 answers:

saveliy_v [14]3 years ago

7 0

Answer:

I believe the answer is 8.

Step-by-step explanation:

8.02 rounded to the nearest tenth is 8

julia-pushkina [17]3 years ago

7 0

8.02 rounded to the nearest tenth is 8

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Show the working out too please in numbers, thank you.

vazorg [7]

Hii :))

$\tt \: - 5 = \frac{x}{6} \\ \tt \: - 5 \times 6 = x \\ \boxed{ \tt \: - 30 = x}$

__________________

The correct value of x is - 30.

$\overbrace{ \underbrace{ \sf \: \infty \: Carry \: on \: Learning \: \infty }}$

ᴛʜᴇᴇxᴛʀᴀᴛᴇʀᴇꜱᴛʀɪᴀʟ

3 0

2 years ago

Read 2 more answers

A sum of money is invested at 12% compounded quarterly. About how long will it take for the amount of money to double?

kompoz [17]

Answer:

5.9 years

Step-by-step explanation:

We believe a better representation of the compound interest formula is ...

$V(t)=P(1+\dfrac{r}{n})^{nt}$

We want to find the value of t for P=1 and V(t)=2. We are told n=4, so the formula becomes ...

$2=(1+\dfrac{.12}{4})^{4t}\\\\\log{(2)}=4t\log{(1.03)}\quad\text{take logs}\\\\t=\dfrac{\log{2}}{4\log{1.03}}\approx\boxed{5.9\quad\text{years}}$

8 0

3 years ago

A long distance runner does a first lap around a track in exactly 50 seconds.As she tires.Each subsequent lap takes 20% longer t

madreJ [45]

Answer:

182 seconds

Step-by-step explanation:

Given:

Time taken for first lap is 50 seconds and each subsequent lap takes 20% longer than previous

Solution:

Time taken for first lap = 50 sec

For second lap

Each subsequent lap takes 20% longer than previous

Previous lap time = 50 sec

second lap = 50 + 20% of 50

second lap $=50+(\frac{20}{100}\times 50)$

second lap $= 50 + 10$

second lap $= 60\ sec$

For third lap

Each subsequent lap takes 20% longer than previous

Previous lap time = 60 sec

Third lap = 60 + 20% of 60

$Third\ lap = 60 + (\frac{20}{100}\times 60)$

$Third\ lap = 60+2\times 6$

$Third\ lap = 60+12$

$Third\ lap = 72\ sec$

Time taken for 3 laps is equal to sum of all three laps time.

$Tiem\ taken\ for\ 3\ lap = 50+60+72$

$Tiem\ taken\ for\ 3\ lap = 182\ sec$

Therefore, it takes 182 seconds (3 min, 2 seconds) to run three laps

6 0

3 years ago

Solve the Equation. 5(2−y)+y=−6 x=?

Paul [167]

The answer to 5(2-y)+y=-6
x=4

7 0

3 years ago

Which expression is equivalent to xy^2/9?

Law Incorporation [45]

Answer:

$xy^\frac{2}{9} = x*\sqrt[9]{y^2}$

Step-by-step explanation:

Given

$xy^\frac{2}{9}$

Required

The equivalent expression (see attachment)

We have:

$xy^\frac{2}{9}$

Split

$xy^\frac{2}{9} = x*y^\frac{2}{9}$

Apply the following laws of indices

$y^\frac{m}{n} = \sqrt[n]{y^m}$

So, we have:

$xy^\frac{2}{9} = x*\sqrt[9]{y^2}$

Hence (d) is correct

5 0

2 years ago