Find the derivative of f(x)=7 by the LIMIT PROCESS

Answers

Answer 1

Answer: lim [f(x + dx) - f(x)]/dx
dx -> 0

but f(x) = 7and f(x + dx) = 7

lim (7- 7)/dx = 0/dx = 0
dx -> 0

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Dylan got his math test back and saw a -12 1/2 points on the top of his math test. The grade was 100% because he earned extra credit points. How much extra credit did Dylan receive on his math test?

Answers

Since he got 100 percent, that means he didn't lose any points overall on his test. Since it said he lost 12 1/2 points, Dylan got 12 1/2 points back.

Trina borrowed $460 from a friend. Her friend charged her 5% simple annual interest. How much will Trina owe her friend in total after 3 years? Use the simple interest formula to solve. I = prt I = (460)(0.05)(3) Trina must pay her friend a total of $ .

Answers

Answer:

The interest of 3 years

=(460×5%)×3

Trina will owe her friend

=460+(460×5%) ×3

=460+23×3

=460+69

=$529

Step-by-step explanation:

Answer:The answer is 529

Step-by-step explanation:

One of two complementary angles is 4 degrees more than the other. Find the angles. (Recall that complementary angles are angles whose sum is 90 degrees.)Which of the following equations can not be used to solve the problem if x represents one of the angles?

Answers

$\displaystyle \n \alpha + \beta = 90^o \n \alpha - \beta = 4^o \n \texttt{----------- } + \n 2\alpha ~~/~= 94^o \n \n \alpha = (94)/(2) = \boxed{47^o}\n \n \beta = 90 -\alpha = 90 - 47 = \boxed{43^o}$

4=(-8)+3x solve for x

Answers

Answer: x=4
4=-8+3x
4+8=+8+3x
12=3x
x=4

4=(-8)+3x -3x=-8-4 -3x=-12 X=-12 divided by -3 X=4

Mark wants to use a grid to model the percent equivalent of the fraction 2/3. How many grid squares should be shade? What percent would his model show?

Answers

Answer:

66 + 1 ( not fully shaded ) squares will be shaded.

66.67% region will be shaded

Step-by-step explanation:

It is given that Marks uses a grid to model percent equivalent of $(2)/(3)$ .

Let us assume that Mark uses a model containing 100 grids.

Now, as the grids are divided into region equivalent to $(2)/(3)$ i.e. it is divided into 3 parts.

Moreover, 2 out of those 3 parts will be shaded.

As, $(2)/(3) =0.6667$

i.e. $(2)/(3)$ =66.67%

So, it gives us that 66 squares in the grid will be fully shaded and one will not be fully shaded.

Hence, 66 + 1 ( not fully shaded ) squares will be shaded and in percent, 66.67% of the region will be shaded.

Final answer:

To represent the fraction 2/3 on a grid, approximately 67% of the squares on the grid should be shaded. This means such a fraction corresponds to 67 out of 100 squares on a 100-square grid or equivalently 67% shaded.

Explanation:

To determine how many grid squares Mark should shade to model the percent equivalent of the fraction 2/3, we need to understand the relationship between fractions, decimals, and percents. When we convert the fraction 2/3 into a decimal, we get approximately 0.67. To represent this as a percent, we multiply by 100, which gives us 67%. So, about 67 out of 100 squares should be shaded.

Let's say Mark's grid has 100 squares (10 rows by 10 columns). In that case, he would shade about 67 squares to represent 2/3 as a percent. If the grid contains fewer than 100 squares, he would need to adjust accordingly.

In summary, the model would show about 67% shaded.

Learn more about Modeling Percentages with Grid here:

brainly.com/question/34317090

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Rewrite .065555555....as a fraction

Answers

Answer:13111111/200000000

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