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3 years ago

A submarine is at a depth of -26 meters. It rises 8 meters. What is the depth now?

Mathematics

1 answer:

Mariulka [41]3 years ago

4 0

Answer:

The submarine is 10m deep after rising

Step-by-step explanation:

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Find the distance between the two points.<br><br> (1, 2), (7, 6)

zubka84 [21]

$\text {Distance = } \sqrt{(Y_2-Y_1)^2+(X_2-X_1)^2}$

$\text {Distance = } \sqrt{(6-2)^2+(7-1)^2}$

$\text {Distance = } \sqrt{(4)^2+(6)^2}$

$\text {Distance = } \sqrt{52}$

$\text {Distance = } 2\sqrt{13} \ \text { (radical form) or } 7.21 \ \text { (nearest hundredth)}$

6 0

3 years ago

Victoria completed 1/8 of her test in 2/5 of an hour if it koreas rate stayed the same how much of her test was finished in 1 ho

dangina [55]

Answer:

Step-by-step explanation:

Step one:

given

let the total amount of her test be x

we are told that she complete 1/8x test in 2/5 of an hour

hence she completed 1/8x in 0.4 hours

let us find the rate at which she completes are test

rate= 1/8x/0.4

convert the numerator to decimal number for easy computation

rate= 0.125x/0.4

rate=0.3125x per hour

Step two:

Hence 1 hour she can finish 0.3125x *1

=0.3125x

She can finish 31.25 % of her test in 1 hour

or 1/16 of her test

7 0

3 years ago

Calculate $1200 ÷ 415.00 = answer in weeks. Round your answer up to the nearest whole week.

Lisa [10]

Answer:

3 weeks

Step-by-step explanation:

$\frac{1200}{415}\\\mathrm{Write\:the\:problem\:in\:long\:division\:format}\\415\overline{|\smallspace1200}\\\\\mathrm{Divide}\:1200\:\mathrm{by}\:415\:\mathrm{to\:get}\:2\\\\\begin{matrix}\space\space\space\space\space\space\space\space\space\space\space\space\space\space\emptyspace2\space\space\space\space\space\space\space\space\space\space\space\space\\415\overline{|\smallspace1200}\space\space\space\space\space\space\space\space\space\space\space\space\end{matrix}\\$

$\mathrm{Multiply\:the\:quotient\:digit}\:\left(2\right)\:\mathrm{by\:the\:divisor}\:415\\$

$\begin{matrix}\space\space\space\space\space\space\space\space\space\space\space\space\space\space\emptyspace2\space\space\space\space\space\space\space\space\space\space\space\space\\ 415\overline{|\smallspace1200}\space\space\space\space\space\space\space\space\space\space\space\space\\ \space\space\space\space\space\space\space\space\space\space\underline{\emptyspace8\emptyspace3\emptyspace0}\space\space\space\space\space\space\space\space\space\space\space\space\end{matrix}$

$\mathrm{Subtract}\:830\:\mathrm{from}\:1200$

$\begin{matrix}\space\space\space\space\space\space\space\space\space\space\emptyspace2\space\space\space\space\space\space\space\space\space\space\space\space\\ 415\overline{|\smallspace1200}\space\space\space\space\space\space\space\space\space\space\space\space\space\\ space\space\space\space\space\space\underline{\empty\space8\empty\space3\emptyspace0}\space\space\space\space\space\space\space\space\space\space\space\space\\ \space\space\emptyspace3\emptyspace7\emptyspace0\space\space\space\end{matrix}$

$\mathrm{The\:solution\:for\:Long\:Division\:of}\:\frac{1200}{415}\:\mathrm{is}\:2\:\mathrm{with\:remainder\:of}\:370\\\\2\quad \mathrm{Remainder}\quad \:370\\=2.89\\=3 weeks$