The average full spreading rate over the last 20,000,000 years at placemark a in the red sea is _________. approximately 1 centimeter per year approximately 10 centimeters per year approximately 19 centimeters per year approximately 2 centimeters per year

Answers

Answer 1
Answer; approximately 1 centimeter per

Related Questions

Samuel filled the glasses shown below completely with water. The total amount of water that Samuel poured into the glasses is 60 cubic centimeters. What is the height of glass 1? Round your answer to the nearest tenth. (Use π = 3.14.) Note that all measurements are in centimeters and images are not drawn to scale.
The possible answers are 0.2, 1.7, 3.9 or 5.6. When googled the answer always comes up 3.9. I always get 1.6527 which rounds up to 1.7. How about you?

Answers

volume of glass 2 = pi*r^2*h/3= 3.14 *2.5^2*6/3 = 39.25 cubic cm

60-39.25 = 20.75 cu cm was in 1st cup

volume of cylinder = pi *r^2 *h

20.75 = 3.14 *2^2 *h

20.75 = 3.14*4*h

20.75 = 12.56*h

h = 20.75 /12.56 = 1.652 round to 1.7

Answer:

The height of glass 1 is 1.7 cm.    

Step-by-step explanation:

We are given the following information in the question:

The total amount of water that Samuel poured into the glasses is 60 cubic centimeters.

Volume of glass 2 = Volume of cone =

[tex]\displaystyle\frac{1}{3}\pi r^2h\\\\\text{Putting value of r and h}\\\\= \frac{1}{3}\times 3.14\times \frac{5}{2}\times \frac{5}{2}\times 6 = 39.25\text{ cubic cm}[/tex]

Volume of glass 1 =

[tex]\text{ Total Volume } - \text{Volume of glass 2}\\= 60 - 39.25\\= 20.75\text{ cubic cm}[/tex]

Volume of glass 1 = Volume of cylinder =

[tex]20.75 = \pi r^2h\\\text{where r is the radius of cylinder and h is the height of cylinder}\\\\\text{Putting the values of r}\\\\  20.75 = 3.14\times \displaystyle\frac{4}{2}\times \frac{4}{2}\times h\\\\h = \frac{20.75}{3.14\times 2\times 2} 1.656 \approx 1.7[/tex]

Thus, the height of glass 1 is 1.7 cm.

How many solutions does 4x+8=2x+7+2x-20 have

Answers

this problem probably has many solutions

A grade has 81 girls and 72 boys. The grade is split into groups that have the same ratio of girls to boys as the whole grade. How many girls are in a group that has 16 boys?

Answers

[tex]\bf \cfrac{girls}{boys}\quad girls:boys\qquad \cfrac{81}{72}\implies \cfrac{9}{8}\qquad \qquad \cfrac{9}{8}=\cfrac{\stackrel{girls}{g}}{\stackrel{boys}{16}}\implies \cfrac{9\cdot 16}{8}=g[/tex]

Julian is mixing drops of food coloring to create green frosting for a cake. He uses 18 drops of yellow dye and 12 drops of blue dye. Find the ratio of drops of blue dye to total drops of dye. Express as a simplified ratio.

Answers

Answer:

The ratio would be 2:5

Explanation:

The ratio of drops of blue dye to total drops of dye is got by dividing drops of blue dye  (12) by total drops, which is the sum of blue and yellow drops (12+18):

[tex]\displaystyle\frac{12}{12+18}=\frac{12}{30}[/tex]

Once we simplify the fraction by dividing both top and bottom by 6, we would get:

[tex]\displaystyle\frac{2}{5}[/tex]

Therefore, the ratio of drops of blue dye to total drops of dye is:  2:5

Final answer:

The simplified ratio of blue dye to total dye used by Julian is 2:5. This means that for every 2 drops of blue dye, there are 5 total drops of dye.

Explanation:

The question is asking for the ratio of blue dye to the total amount of dye. Julian used 12 drops of blue dye and 18 drops of yellow dye, making the total number of dye drops 30 (12 blue + 18 yellow). Therefore, the ratio of blue dye to total dye is 12 to 30. However, this ratio can be simplified by dividing each figure by their greatest common divisor (gcd) which is 6. So, the simplified ratio is 2:5.

This means for every 2 drops of blue dye, there are 5 total drops of dye. It's a useful way of comparing quantities in mathematics or in everyday life circumstances like this one, where Julian is mixing dyes.

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What is 25.4067 to the nearest hundredth

Answers

I think it is 25.4100
25.0 because if it’s to the nearest hundredth then you Count 3 numbers and u see what u have to do because if it is 5 or more you increase the score but if its 4 or less u don’t mess!

What is the sum and classification of 3/20 + sqrt of 10

A. 3.31227766..., irrational
B. 3.31227766..., rational
C.18.16227766..., irrational
D.18.16227766..., rational

Answers

Answer:

a

Step-by-step explanation:


Answer:

A. 3.31227766..., irrational

Step-by-step explanation:

We have been given two numbers. We are asked to find sum of given numbers and classify the type of number after addition.

[tex]\frac{3}{20}+\sqrt{10}[/tex]

[tex]0.15+3.1622776601683793[/tex]

[tex]3.3122776601683793[/tex]

We can see that [tex]\frac{3}{20}[/tex] is a rational number, while [tex]\sqrt{10}[/tex] is an irrational number as its digits are repeating infinitely after decimal.

We know that sum of a rational and irrational number is irrational, therefore the sum of given numbers is irrational and option A is the correct choice.

If $6000 is invested at 7% simple interest for 4 months, how much interest is earned?

Answers

You can use the simple interest formula. 
 S = Prt
S = Simple Interest
P = Principle = 6000
r = rate = 7% = .07
t = time = 4

S = 6000 * .07 * 4
S = $1680

one of the models of a dinosaur used in filming of a movie was only 15in tall. In the movie, the dinosaur appeared to have an actual height of 20ft. What is the Scale of the model?

Answers

well, keeping in mind there are 12 inches in 1 foot, 20 feet is 20 * 12, or 240 inches.

[tex]\bf \cfrac{model}{actual}\qquad 15:240\qquad \cfrac{15}{240}\implies \cfrac{1}{16}[/tex]

Trey has answered 15 E-mails.This is 20% of E-mails he must answer.How many E-mails does he need to answer?

Answers

Trey needs to answer 75 emails

Write the percent as a fraction is lowest terms 65 1/2%

Answers

=5/8

Work:

62.5%=62.5/100
=0.625
= 0.625/1 x 1000/1000
= 625/1000=5/8

deduct 20'x22' from 2240 total space?

Answers

I'm assuming they are all using the same unit for measurement so do 2240-(20x22), 20x22=440, 2240-440=1800
Final answer:

To remove the area of 20'x22' from the total space of 2240 square feet, multiply the dimensions to get the area to deduct, which is 440 square feet. Then subtract this from the total area to find the remaining space, which is 1800 square feet.

Explanation:

To deduct an area of 20 feet by 22 feet from a total space of 2240 square feet, you first need to calculate the area of the space you are removing. To find the area of a rectangle, you multiply its length by its width.

Area to deduct = Length × Width = 20' × 22' = 440 square feet.

Next, subtract the area to deduct from the total space:

Remaining space = Total space - Area to deduct = 2240 sq ft - 440 sq ft = 1800 square feet.

Therefore, you are left with 1800 square feet of space after deducting the area of 20'x22' from the original total space of 2240 square feet.

Which answer shows these decimals written in order from greatest to least?   76.493   79.2    76.81        A. 79.2 > 76.493 > 76.81   B. 76.81 > 76.493 > 79.2   C. 79.2 > 76.81 > 76.493   D. 76.493 > 79.2 > 76.81

Answers

The answer is C 79.2 > 76.81 > 76.493

Simplify three to the negative ninth divided by three to the negative twelfth.


Answers

(3^-9)/(3^-12) will give you 3^3, which can be further simplified to 27

Answer:

3^3

Step-by-step explanation:

Red jeans inc. sells jeans that cost $16.55 for a selling price of $35.99. The percent of markup based on cost is

Answers

This would be (35.99 - 16.55)  * 100
                      -------------------             =   117.5 %
                             16.55

Answer:

Markup percent = 117.50%

Step-by-step explanation:

Markup percent = (sales price - unit cost)/unit cos  *100

Given: Unit cost = $16.55, sales price = $35.99

Now plug in these given values in the above formula, we get

Markup percent = (35.99 - 16.55)/16.55 *100

= (19.44/16.55)*100

= 117.50%

Hope this will helpful.

Thank you.

Use this equation to find dy/dx. 4y cos(x) = x2 + y2

Answers

Let's differentiate implicitly,
don't worry about solving for y explicitly before differentiating.

(4y)cosx = x^2 + y^2

Apply product rule on the left,
and power rule on the right-hand terms,

(4y)'cosx + 4y(cosx)' = (x^2)' + (y^2)'
4y'cosx + 4y(-sinx) = 2x + 2yy'
4y'cosx - 4ysinx = 2x + 2yy'

Let's get both y' terms on the left side,
and everything else on the right,

4y'cosx -2yy' = 2x + 4ysinx

Factor y' out of each term,

y'(4cosx - 2y) = 2x + 4ysinx

Solve for y' (which is dy/dx) by dividing by the stuff,

y' = (2x + 4ysinx) / (4cosx - 2y)

You can divide a 2 out of everything to simplify it down a little bit.

y' = (x + 2ysinx) / (2cosx - y)

What can you say about the continuous function that generated the following table of values?

Answers

Answer:

Option: B is the correct answer.

  B. The function has more than one x-intercept.

Step-by-step explanation:

We are given a table of  values as follows:

            x                    y

           -3                    4

            0                    -3

             1                     2

             5                    0

             11                    7  

As we know that a function is a continuous function this means that the graph first decreases from 4 to -3 ( since at x=-3 we have y=4 and at x=0 we have y= -3) and then it increases from -3 to 7 ( since at x=0 we have y= -3 and at x=11 we have y=7)

Hence, the function will intersect the x-axis two times between x= -3 and x=11.

           Hence, the function has more than one x-intercept.

Answer: The function had more than in intercept,

Step-by-step explanation:

You originally draw a design for an art contest on a 4 in. x 5 in. card. The second phase of the contest requires the drawing to be transferred to an 8.5 in x 11 in. standard sheet of paper and utilize as much of the space on the paper as possible. You determine that the largest size one of the dimensions of your drawing can be is 10.5 in. What is the length of the other dimension if the two drawings are similar? Type your exact answer in the blank without the units, and round to the nearest tenths.

Answers

Sent the solution in attachment. Used proportion to solve since the drawing were similar.

Answer:

x = 8.4

Explanation:

The expression y2 – 10y + 24 has a factor of y – 4. What is another factor of y2 – 10y + 24? y – 20 y – 14 y – 8 y – 6

Answers

Answer:

(y-6)

Step-by-step explanation:

[tex]y^2 - 10y + 24[/tex]

We need to find out two factors whose product is 24 and sum is -10

-6  times -4 = 24

-6  +    -4 = -10

So two factors are -6  and -4

We write the factors inside the parenthesis

(y-6) (y-4)

Factor (y-4) is already given

So another factor is (y-6)



Final Answer:

y - 6

Explanation:

To find another factor of the quadratic expression (y^2 – 10y + 24) given that (y – 4) is one factor, we need to perform factorization. Let's find the factors of the constant term, 24, which when added together give us the coefficient of the middle term, which is –10.
The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, and 24.
We are looking for two factors of 24 that add up to –10, and since one of the given factors is (y – 4), we are specifically looking for factors that would give us ((y - 4)) when multiplied by a binomial of the form (y - n), where (n) represents the other factor.
Now, notice that the factors 6 and 4 add up to 10, and when multiplying two binomial factors, we actually find such that when expanded they give us the original quadratic expression. In this case, (6 times 4 = 24), and (-6 + (-4) = -10), which are our constant and coefficient of \(y\), respectively.
Therefore, we can write the quadratic expression as the product of two binomial expressions: ((y - 6)(y - 4))
Since we are already given that \(y - 4\) is a factor, the other factor must be (y - 6).

In a circle, a central angle whose measure is pi/2 radians intercepts an arc whose length is 3pi/2 centimeters. How many centimeters are in the radius of the circle?

Answers

Attached the solution and work.

True or False. If two angles of a triangle are congruent, then the sides opposite those angles are congruent.

Answers

Answer:

  True

Step-by-step explanation:

In simplest terms, if the triangle is ΔABC with ∠B≅∠C, then you can show ΔABC ≅ ΔACB using the ASA congruence theorem. (BC≅CB by the symmetric property). Then AB ≅ AC by CPCTC (corresponding parts of congruent triangles are congruent).

Darius and Matthew have three fruit bars. They are both hungry after playing football and decide to split the fruit bars evenly.

Answers

They each get one whole one and then half of one.

What is the value of ▲ in the equation shown?

8 x 4 = ( ▲ x 7) - (▲ x 3)

= _____

Answers

the answer is 8 because
 8 times 4 = 32
 8 times 7 =56
 8 times 3 =24
 56 minus 24 = 32

Answer:

8

Step-by-step explanation:


F(x)=5(3-x)^2 what is f(-4)

Answers

Plug in x = -4 and then use PEMDAS to simplify

f(x) = 5(3-x)^2
f(x) = 5*(3-x)^2
f(-4) = 5*(3-(-4))^2 ... replace every x with -4
f(-4) = 5*(3+4)^2
f(-4) = 5*(7)^2
f(-4) = 5*(49)
f(-4) = 245

-----------------------------------------

Final Answer: 245

The sales tax rate on camping equipment is 7 percent. Olivia will buy a sleeping bag priced at $35.35 and a tent at $52.75. What amount will Olivia spend on the sales tax.

Answers

The sales tax is 0.07($35.35 + $52.75) = 0.07 ( $88.10 ) = $6.17.

the student council wants to rent a ballroom for the junior prom. the ballrooms rental rate $1500 for 3 h and $125 for each additional half hour. suppose the student council raises $2125. What is the maximum number of hours for which they can rent the ballroom

Answers

1500= 3h
so the equation would be set up as

1500+125x= 2125

subtract 1500 from both sides and you should be left with

125x=625 divide 125 into both sides and you should get a answer of 5 then add the three hours and your final answer will be 8 hours is the maximum


What is 100x100 I need help :(

Answers

100x100 is equal to 10,000, you only need to multiply

The solution is, the value is 100 x 100 =10000.

What is  multiplication?

In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.

here, we have,

given that,

100 x 100

i.e. we have to multiply 100 with 100

so, we get,

100 x 100

=10000

Hence, The solution is, the value is 100 x 100 =10000

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For the given function sin−1(9x + 1), the "inside" function is 9x + 1 and the "outside" function is

Answers

Sin^-1 is inverse function of sin or it's sometimes called arcsin, that is the outside function.
Final answer:

In the function sin⁻¹(9x + 1), the 'outside' function is sin⁻¹(x). This is because it is the function performing an operation on the 'inside' function, which is 9x + 1.

Explanation:

For the function sin−1(9x + 1), the 'inside' function is indeed 9x + 1. The 'outside' function is sin⁻¹(x), also known as the inverse sine or arcsine function. In composite functions, the 'inside' function is the function that is being acted on, while the 'outside' function is the function carrying out the action on the inside function. So here, the action of sine inverse or arcsine is being performed on the 'inside' function 9x + 1.

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what is the value of-3 2/3÷1/3

Answers

first off, let's convert the mixed fraction to "improper", and then divide then.

[tex]\bf \stackrel{mixed}{3\frac{2}{3}}\implies \cfrac{3\cdot 3+2}{3}\implies \stackrel{improper}{\cfrac{11}{3}}\\\\ -------------------------------\\\\ \cfrac{3\frac{2}{3}}{\frac{1}{3}}\implies \cfrac{\quad \frac{11}{3}\quad }{\frac{1}{3}}\implies \cfrac{11}{3}\cdot \cfrac{3}{1}\implies \cfrac{33}{3}\implies 11[/tex]
Let's start by changing -3 2/3 into an improper fraction of -11/3. Now let us set it up: -11/3 ÷ 1/3 which changes to multiplication to : -11/3 • 3/1= -33/3=-11. Soluton is -11.

Brenda has a balance of d dollars in her piggy bank. Explain what value(s) d may have if d = 28

Answers

Not sure what you're asking!  
Brenda has a blance of 38 dollars in her piggy bank.  What exactly do you still need to learn / know?

She might have 3-$10 bills, 1-$5 bill and 3-$1 bills.  Other combinations are possible.

Gail ordered 5,675 pounds of flour for the bakery. The flour comes in 25-pound bags. How many bags of flour will the bakery receive?

Answers

5675/25 = 227


227 bags is your answer

hope this helps
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