A harbor seal dives 35 meters below the ocean's surface. Then it dives down an additional 12 meters Determine the seal's new position relative to the surface of the ocean

The number of mainland countries is 20 and the number of island countries is 5 countries that Willy visited.

Let the number of mainland be represented by m

Let the number of island be represented by x.

This will be illustrated as:.

m + x = 25 .... i

2m + 5x = 65 .... ii

From equation i, m = 25 - x.

Put this into equation ii

2m + 5x = 65

2(25 - x) + 5x = 65

50 - 2x + 5x = 65

3x = 65 - 50

3x = 15

Divide

x = 15 / 3

x = 5

Island countries = 5

Since m + x = 25

m = 25 - 5 = 20

Mainland countries = 20

Learn more about equations on:

brainly.com/question/2972832

#SPJ1

Answer:

521 mm2

Step-by-step explanation:

Formulas:

area of circle= 3.14 x radius x radius

area of semicircle = 0.5 x 3.14 x radius x radius

diameter of circle= 20mm

radius=0.5x20mm=10mm

area of trapezium= 0.5 x (base+base) x height

Working:

area of semicircle= 0.5 x 3.14 x 10mm x 10mm = 157mm2

area of trapezium = 0.5 x (20mm+32mm) x 14mm = 364mm2

total area of figure= 157mm2 + 364mm2 =521mm2

The value of x is 11° and measure of other two angles are 80° and 117°

A triangle can be defined as a polygon which has three angles and three sides. The interior angles of a triangle sum up to 180°, and the exterior angles sum up to 360°.

Given that, the interior angles of the triangle are 37° and (3x+47)° and an exterior angle measures (5x+ 62)°

We know that the sum of two interior angles equals to the measure of an exterior angle,

Therefore,  37° + (3x+47)° = (5x+ 62)°

x = 11°

Hence, The value of x is 11° and measure of other two angles are 80° and 117°

For more references on triangle, click;

https://brainly.com/question/2773823

#SPJ1

The solution of the expressions are

(a) (30+10 ÷ 2)-5-10 = 20

(d) 30+ (10 ÷ 2·5)-10 = 24

What is meaning of expressions?

An expression is a combination of operations, variables, and numbers.

What is BODMAS rule?

According to the BODMAS rule, if an expression contains brackets ((), {}, []) we have first to solve or simplify the bracket followed by 'order' (that means powers and roots, etc.), then division, multiplication, addition and subtraction from left to right.

Given expression is

(30+10 ÷ 2)-5-10

Applying BODMAS rule:

= (30 + 5) - 5 - 10

= 35 - 5 - 10

= 30 - 10

=40

Second expression is:

30+ (10 ÷ 2·5)-10

= 30 + (10 ÷ 10) - 10

= 30 + 1 - 10

= 31 -10

= 21

To learn more about expressions, click on below link:

https://brainly.com/question/13947055

#SPJ1

4- (+) (-4) is similar to 4+4 by the rule of addition in integers that is if Negative + Negative then Add the number and put the sign of greater number.

Zero, a positive natural number, or a negative integer denoted by a minus sign are all examples of integers. The inverse additives of the corresponding positive numbers are the negative numbers. An integer, pronounced "IN-tuh-jer," is a whole number that can be positive, negative, or zero and is not a fraction. Integer examples include: -5, 1, 5, 8, 97, and 3,043. 1.43, 1 3/4, 3.14, and other numbers that are not integers are some examples. Three categories of integers exist: Zero (0) (0) Good integers (Natural numbers) Integer Negatives (Additive inverse of Natural Numbers).

The rules of addition in integers says,

- + -  = +

by this,

4-(-4)=8

by concept of addition,

4+4=8

To know more about integer,

https://brainly.com/question/15276410?referrer=searchResults

#SPJ13

After simplification, the equivalent expression is 18(p-2). So the option D is correct.

In the given question,

We have to find factor 18p-36 equivalent expressions.

The given option is

A. 3(9p-12)

B. 9(2p-4p)

C. 2(9p-18)

D. 18(p-2)

The given expression is 18p-36.

We simplify the given expression to find their equivalent expression.

To simplify the expression we take out the common term from both terms.

We can see that 18 is a common multiply of both number 18 and 36. SO we take out 18 from both terms.

Taking common 18

18p-36 = 18(p-2)

Hence, the equivalent expression is 18(p-2). SO the option D is correct.

To learn more about simplification link is here

brainly.com/question/11177143

#SPJ1

Answer:

27w+2=19w+6

27w+19w=6+2

w(27+19)=8

w(27+19)/27+19=8/27+19

w=8/(27+19)

The remainder is the amount "leftover" after performing some computation.

Hence,

(A) There are [tex]4[/tex] groups out of [tex]10[/tex] students.

(B) There are [tex]33[/tex] groups of [tex]9[/tex] students.

What is a remainder?

The remainder is the amount "leftover" after performing some computation. In arithmetic, the remainder is the integer "leftover" after dividing one integer by another to produce an integer quotient.

Here given that,

The strength of boys is [tex]121[/tex]

The strength of girls is [tex]116[/tex]

So, the total number of students are

[tex]121+116=337[/tex]

The leader first makes groups of [tex]9[/tex] students and then assigns any remaining students to make some of the groups have [tex]10[/tex] students.

So we divide by [tex]9[/tex] to find out the remainder and the total number of groups are:-

[tex]\frac{337}{9}=37[/tex]

and the remainder value is [tex]4[/tex].

Therefore, there are [tex]37[/tex] groups in the total out of which [tex]4[/tex] are out of [tex]10[/tex]students.

So,

[tex]\frac{37}{4}=33[/tex] groups are of [tex]9[/tex] students.

Hence,

(A) There are [tex]4[/tex] groups out of [tex]10[/tex] students.

(B) There are [tex]33[/tex] groups of [tex]9[/tex] students.

To know more about the remainder

https://brainly.com/question/11230333

#SPJ1

The given expression has a value of 2.5.

The BODMAS rule is named after the letters in the acronym: B - Brackets, O - Order of powers or roots, D - Division, M - Multiplication. A stands for addition, and S stands for subtraction. According to the BODMAS rule, mathematical statements having several operations must be solved from left to right in the BODMAS order.

Given expression 6 x (2/3 divided by 2) + 0.5

To solve this expression, we must employ the BODMAS rule.

First 2/3 divided by 2

(2/3)/2

= 1/3

Now multiply 1/3 with 6

= 1/3 x 6

= 2

Now add both 2 and 0.5

= 2 + 0.5

= 2.5

Therefore the value of the given expression is 2.5

To learn more about the BODMAS rule visit

https://brainly.com/question/16738857

#SPJ1

It will take 80 gallons of water to fill the fish tank.

The amount of space occupied by a three-dimensional object or region of space.

Given that, Anna is going to clean the fish tank, which measures 48 inches long by 11 inches wide by 35 inches high

The fish tank is cuboidal,

Volume of cuboid = length*width*height

Therefore, volume of fish tank = 48*11*35 = 18,480 in³

1 gallon = 231 in³

So, 18,480  in³ = 18,480/231 gallons = 80 gallons

Hence, Volume of tank = 80 gallons

For more references on Volume, click;

https://brainly.com/question/1578538

#SPJ1

Answer:

Step-by-step explanation:

The probability of getting watermelon is 3/58.

The given values are

A pineapple chew was selected 53 Times

A lemon chew was selected 2 times

A watermelon chew was selected 3 times

The probability that you Bella remove from the bag is pineapple chew.

probability is which we can't predict actual it is usually about the prediction

As we know

probability - expected outcome/total outcome

The question Bela perform experiment 58 times then the total outcome will be 58 if you pineapple was selected 53 times the probability of the chew Bella pick of pineapple is 53/58

The probability of Bella pick chew of lemon -2/58

The probability of Bella pick watermelon is - 3/58

To know more about probability click

https://brainly.com/question/25688842

#SPJ13

Answer:  x + 8

Step-by-step explanation:

[tex]f(g(x))=f(\frac{1}{2}x+2) = 4+2(\frac{1}{2}x+2) = 4+x+4 =x +8[/tex]

She drinks 1/12 gallons of milk each day

From the question, we have the following parameters that can be used in our computation:

Size of milk = 1/2 gallons

Number of days = 6 days

These parameters can be represented as

(x, y) = (6, 1/2)

The number of gallons a day she drinks can then be represented as the slope/unit rate and the unit rate is then calculated as

unit rate = (y₂ - y₁)/(x₂ - x₁)

Where

(x, y) = (0, 0) and (6, 1/2)

Substitute the known values in the above equation

So, we have the following equation

Slope = (1/2 - 0)/(6 - 0)

Evaluate the quotient

Slope = 1/12

Hence, the number of gallons she drinks a day is 1/12

Read more about unit rate at

https://brainly.com/question/19493296

#SPJ1

Answer:

h=3

Step-by-step explanation:

4h+8=9h-7

subtract 4h

8=5h-7

add 7

15=5h

divide 3

h=3

Answer:

cubic root 10 power 1

Step-by-step explanation:

Apply the rule

x

m

n

=

n

√

x

m

to rewrite the exponentiation as a radical.

3

√

10

1

Anything raised to

1

is the base itself.

3

√

10

The result can be shown in multiple forms.

Exact Form:

3

√

10

Decimal Form:

2.15443469

…

The value of k is 4.

In general, the term "proportion" refers to a part, share, or amount that is compared to a total.

According to the concept of proportion, two ratios are in proportion when they are equal. Two ratios or fractions are equal when an equation or a declaration to that effect is utilised.

A mathematical comparison of two numbers is called a proportion. According to proportion, two sets of provided numbers are said to be directly proportional to one another if they increase or decrease in the same ratio. "::" or "=" are symbols used to indicate proportions.

Given:

Volume= 16

Width = 4

So, we can write the relation as

Volume= k (width)

k = Volume/ width

k= 16/4

k = 4

Hence, the value of k is 4.

Learn more about Proportion here:

https://brainly.com/question/26974513

#SPJ1

Answer:

Doesn't make a lot of sense. Can you be more specific.

Step-by-step explanation:

The Creditworthiness is how a lender determines that you will default on your debt obligations, or how worthy you are to receive new credit

Credit reporting companies, also known as credit bureaus or consumer reporting agencies, are companies that compile and sell credit reports.

Given are three credit reporting agencies.

Creditworthiness is how a lender determines that you will default on your debt obligations, or how worthy you are to receive new credit. Your creditworthiness is what creditors look at before they approve any new credit to you. The 3 C's of credit worthiness are Character, Capacity and Capital. Creditworthiness is determined by several factors including your repayment history and credit score.

Therefore, the Creditworthiness is how a lender determines that you will default on your debt obligations, or how worthy you are to receive new credit.

To solve more questions on credit worthiness, visit the link below -

https://brainly.com/question/18005096

#SPJ2

Answer:

6/7

Step-by-step explanation:

2÷3/7=2*3/7

6/7

The margin of error tells you how many percentage points your results differ from the true population value.

The margin of error is a close guess at a given level of probability about the confidence interval. It is denoted as a tiny percentage that is allowed for in the event of an error.

The amount of uncertainty associated with a survey result is referred to as the margin of error. It indicates how confident you can be in the outcome's accuracy. A smaller margin of error indicates that your survey is more precise. A confidence level is the probability that a survey will yield the same results if repeated.

Learn more about margin of error on:

https://brainly.com/question/10218601

#SPJ1

The expression of the phrase " Nine increased by twice a number " is 2n + 9

The given phrase is

Nine increased by twice a number

We have to convert the the phrase to the expression

The expression is the mathematical statement that consist of different variables, numbers and mathematical operators. The mathematical operators are addition, subtraction, division and multiplication. The equal sign and inequality will not be the part of expression.

Consider the number as n

Twice the number = 2n

nine increased by twice a number = 2n + 9

Hence, the expression of the phrase " Nine increased by twice a number " is 2n + 9

Learn more about expression here

brainly.com/question/27683555

#SPJ9

The total number of hours Donna used driving is 3 2/21 hours

A rate is a special ratio in which the two terms are in different units. For example, For 1 hour Donna is using 7/10 gallons of fuel while driving.

The two quantities there are time in hours and the quantity of fuel used in gallons.

If Donna used 7/10 gallon for 1 hour

then 1 gallon will last for 1÷7/10= 1× 10/7= 10/7

Therefore for 2 1/6 gallon = 10/7×2 1/6= 10/7×13/6

= 3 2/21 hours

Therefore the total number of hours used driving with 2 1/6 gallons is 3 2/21

learn more about rate from

https://brainly.com/question/25793394

#SPJ1

By using the formula of acceleration, it can be calculated that

Time taken by an earthworm  to accelerate from a speed of 0.01 m/s to 0.02 m/s over a distance of 0.9 m is 59.88 s

What is acceleration?

At first, it is important to know about velocity

Distance travelled by a body per unit interval of time in a particular direction is called Velocity

The rate of change of velocity is called acceleration.

Acceleration is a vector quantity as the direction is taken into account.

Initial velocity of earthworm (u)= 0.01 m/s

Final velocity of earthworm (v) = 0.02 m/s

Distance (s) = 0.9 m

We know,

[tex]v^2 = u^2 + 2as\\0.02^2 = 0.01^2 + 2 \times a \times 0.9\\0.02^2 - 0.01^2 = 1.8a\\(0.02 + 0.01)(0.02 - 0.01) = 1.8a\\a = \frac{0.03 \times 0.01}{1.8}\\a = 0.000167 \ ms^{-2}[/tex]

Again,

v = u + at

0.02 = 0.01 + 0.000167[tex]\times[/tex] t

t = [tex]\frac{0.02 - 0.01}{0.000167}[/tex]

t = 59.88 s

Time taken by an earthworm  to accelerate from a speed of 0.01 m/s to 0.02 m/s over a distance of 0.9 m is 59.88 s

To learn more about acceleration, refer to the link-

https://brainly.com/question/460763

#SPJ1

Answer:

[tex]f^{-1}(y) = \sqrt{x-5}[/tex]

Step-by-step explanation:

You have to switch the f(x) to x and the x's to y's

[tex]x = y^2 + 5[/tex]

[tex]\sqrt{x-5} = \sqrt{y^2}[/tex]

[tex]y = \sqrt{x - 5}[/tex]

(5-√5)² in the form a + b√5 can be written as 30 - 10√5 where, the integers a and b are 30 and -10 respectively.

What is integer?

Positive, negative, and zero are all examples of integers. The Latin word "integer" means to "whole" or "intact." Therefore, fractions and decimals are not included in integers. In this essay, we will learn more about integers, their definition, and their characteristics.

We know that,

[tex](a-b)^2= a^2 + b^2 - 2ab[/tex]

Using this mathematical identity, putting the values from question,

(5-√5)² = 5² + √5² - 2(5)(√5)

(5-√5)² = 25 + 5 - 10√5

(5-√5)² = 30 - 10√5

This is in the form a + b√5 where, the integers a and b are 30 and -10 respectively.

To know more about integer, go to link

https://brainly.com/question/929808

#SPJ13

Jan earns more than Rachel. The range of what Jan earns is  360 dollars to 480 dollars per week. The range of what Rachel earns is  220 dollars to 330 dollars per week.

Jan's pay function is given as /(t) = 12 dollars this is the same as 12 dollars in one hour

the time that she has to work is given a 30 hours to 40 hours.

Hence the domain would be written as

domain : 30 ≤ t ≤ 40

we have to make use of the values of t

f(t) = 12 * 30 = 360

f(t) = 12 * 40 = 480

The range of Jan is going to be

range : 360 ≤ t ≤ 480

b. For Rachel, t is going to vary between 20 ≤ t ≤ 30

domain : 20 ≤ t ≤ 30

r*t = 11t

= 11 x 20 = 220

= 11 x 30 = 330

The range is given as

range: 220 ≤ t ≤ 330

Jan earns more per hour than Rachel

The amount earned is, Jan earns from 360 dollars to 480 dollars per week.

Rachel earns from 220 dollars to 330 dollars per week.

Read more on the range and domain of functions here: https://brainly.com/question/1942755

#SPJ1

New equation will be 4x + 6y = 24, if we multiply the equation 2x + 3y = 12 by -2.

We can rapidly determine the total number of things by multiplying. When multiplying, we'll consider the number of groups with similar sizes and the number of items in each group. A fact involving multiplication is the result of two distinct integers. Additionally, the product is unaffected by the arrangement of the numbers. For instance, 32=6 and 23=6. The distributive, commutative, associative, removes a common factor, and neutral element characteristics of multiplication.

Given,

Equations:

2x + 3y = 12

4x - 7y = -54

Multiplying the top equation by -2:

-2(2x + 3y) = -2(12)

-2(2x) -2(3y) = -24

Product:

-4x - 6y = -24

Taking - common,

-(4x + 6y) = -24

4x + 6y = 24

New equation will be 4x + 6y = 24, if we multiply the equation 2x + 3y = 12 by -2.

To learn more about multiplication, visit:

https://brainly.com/question/5992872

#SPJ1

if we take 25 to be the 100%, what is 100 off of it in percentage?

[tex]\begin{array}{ccll} amount&\%\\ \cline{1-2} 25 & 100\\ 100& x \end{array} \implies \cfrac{25}{100}~~=~~\cfrac{100}{x} \\\\\\ \cfrac{1}{4}=\cfrac{100}{x}\implies x=400[/tex]

Answer:

25

Step-by-step explanation:

25/100=.25x100=25

Solution of the given inequality -18 + x < 16 is equal to x < 34.

As given in the question,

Given inequality is equal to :

-18 + x < 16

Get the value of the variable x by adding 18 both the side of the inequality we get,

-18 + x + 18 < 16 + 18

Collect all like terms together we get,

⇒ x + (-18 + 18 ) < 34

⇒ x + 0 < 34

Solution of the inequality -18 + x < 16 is given by

⇒ x < 34

For the given inequality -18 + x < 16 the value of variable x is less than 34.

Therefore, solution of the given inequality -18 + x < 16 is  x < 34.

Learn more about inequality here

brainly.com/question/20383699

#SPJ1