Pleaseeeeeee help I will mark brainliest

On solving the provided question, we can say that  on matching the expressions are 100X 14 = 1400 and 14(10) = 140 and 361 . 100 = 36100 and 100(361) = 36100

In mathematics, it is possible to multiply, divide, add, or remove. The construction of an expression is as follows: Expression, number, and mathematical operator Numbers, variables, and functions are the building blocks of a mathematical expression (such as addition, subtraction, multiplication or division etc.) Expressions and phrases can be contrasted. Any mathematical statement with variables, numbers, and an arithmetic operation between them is called an expression or an algebraic expression. For instance, the expression 4m + 5 has the terms 4m and 5 as well as the variable m of the supplied expression, all of which are separated by the arithmetic sign +.

so, on matching the expressions are

100X 14 = 1400

14(10) = 140

361 . 100 = 36100

100(361) = 36100

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Answer: 853

Step-by-step explanation:

The equations of the rows are

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

The augmented matrix given as

\(\left[\begin{array}{ccc|c}1&3&-1&4\\4&-2&7&20\\-3&1&5&8\end{array}\right]\)

From the above, we set the columns as follows:

x = first row

y = second row

z = third row

constant = fourth row

Using the above as a guide, we have the following:

x + 3y - z = 4

4x - 2y + 7 = 20

-3x + y + 5 = 8

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Answer:

  Answer B    5.5x + 9

Step-by-step explanation:

Perimeter is the distance around the three sides of the triangle

P = (0.3x + 24) + (5x) + (0.2x - 15)

P = (0.3x + 5x + 0.2x) + (24 - 15)

P = 5.5x + 9

Answer:

24 games

Step-by-step explanation:

7 to enter

0.5 per game

19 dollars spent

19 = 7 + 0.5x

19 - 7 = 0.5x

12 = 0.5x

x = 12/0.5

x = 24

Yes! they can afford an $85,000 house with a $65,000 mortgage requiring payments of $720 per month.

What is in a mortgage?

Principal, interest, taxes, and insurance make up the majority of mortgage payments. Your outstanding loan balance is reduced by the amount of the principal part. Borrowing money has a cost, which is interest.

Given data:

Annual Salary =$42,000

Cost =$85,000

Mortgage = $65000

Monthly Payment = $720

First Criterian : - Never Spend more than 2.5 times of your Annual Income.

2.5 * 42,000

= 105,000

it can be afforded.

Second Criterian : - Monthly Payment should not exceed Weekly Income

Monthly Payment = 720

Weekly earnings = 42000 / 52 weeks = 807

it can afforded.

Third Criterian : - monthly payment should not exceed 28% of monthly earnings.

Monthly payment = 720

Monthly earnings = 42,000 / 12 = 3500

28% * 3500

= 980

it can be afforded.

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Answer:

z, y, x

Step-by-step explanation:

Match the corresponding sides.

Answer: $5.096 or $5.10 (nearest cent)

Step-by-step explanation:

first u find 20%of one slice pizza

which is ²⁰/¹⁰⁰ × 3.64 = 0.728

then u multiply 0.728 by 7 = $5.096

Answer:

when x=-9, y=1

Step-by-step explanation:

the graph shows when the x is at -9, the y is at 1

The result is 3+x^4.

Answer:

The ratios are equal and form a proportion. Explanation: To find out if 6:9=10:15. 69and1015 ← cross- multiply. 6×15=9×10. 90=90.

Step-by-step explanation:

The ratios are equal and form a proportion. Explanation: To find out if 6:9=10:15. 69and1015 ← cross- multiply. 6×15=9×10. 90=90.

Answer:

457.25

1636.4

Step-by-step explanation:

To find this you need to figure out what the probability of you needing it is. I believe that you then need to see how much you will pay with that. ex:1050 with only 32% chance that you will need it. So 336. 225 but only 45 %, so 121.25.

1,580 guarantied. 24. 32.4. Add all these together you get 1636.4.

Answer:

n = 37/4

Step-by-step explanation:

that's the answer to you question

a) The case is: Test if the second trial takes less time.

b) The hypothesis are given as follows:

c) The test statistic is: t = -1.59.

d) The rejection region is t < -2.015, and since the test statistic is greater than this, the null hypothesis is not rejected.

At the null hypothesis, we test if there is not enough evidence that the second trial takes less time, that is, if the mean of the differences is not negative, hence:

\(H_0: \mu_d \geq 0\).

At the alternative hypothesis, we test if there is enough evidence that the second trial takes less time, hence:

\(H_1: \mu_d < 0\)

Considering a left-tailed test, as we are testing if the mean is less than a value, with 6 - 1 = 5 df and a significance level of 0.05, the critical value is of:

t = -2.015.

Hence the rejection region is:

t < -2.015.

The equation to calculate the test statistic is given as follows:

\(t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}\)

The parameters are:

The sample of the differences is given by:

-16, 8, 3, -78, -43, -3.

Inserting these values into a calculator, the values of the parameters are given as follows:

\(\overline{x} = -21.5, \mu = 0, s = 33.16, n = 6\)

Hence the test statistic is:

\(t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}\)

\(t = \frac{-21.5 - 0}{\frac{33.16}{\sqrt{6}}}\)

t = -1.59.

Greater than the critical value, hence the null hypothesis is not rejected.

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With compound interest of 6% paid semiannually, a deposit of $900 would result in $1,191.02 after 5 years, while simple interest would earn $270, resulting in a total of $1,170.

To calculate the future value of an investment with compound interest, we can use the following formula:

FV =\(PV * (1 + r/n)^{(n*t)}\)

where FV, PV, r, n and t is the future value, present value, annual interest rate, number of compounding periods per year and number of years respectively.

In this case, the present value (PV) is $900, the annual interest rate (r) is 6%, and the interest is compounded semiannually, so there are 2 compounding periods per year (n=2). The period (t) of investment  is 5 years.

Using these values, we can calculate the future value (FV) as follows:

FV = \(\$900 * (1 + 0.06/2)^{(2*5)\)

= \(\$900 * (1.03)^{10\)

= $1,191.02

Therefore, the future value of the investment after 5 years with compound interest would be $1,191.02.

If the interest were simple interest instead of compound interest, the calculation would be simpler. Simple interest is calculated as follows:

I = P x r x t

where I is the interest, P is the principal or present value, r is the interest rate, and t is the time period.

In this case, the interest rate is still 6% and the investment period is still 5 years, but the interest is calculated only on the principal amount of $900. Therefore, the interest earned would be:

I = $900 x 0.06 x 5

= $270

Therefore, the total amount after 5 years with simple interest would be the sum of the principal and the interest earned, which is:

Total = $900 + $270

= $1,170

Therefore, if the interest were simple interest instead of compound interest, the total amount after 5 years would be $1,170, and the interest earned would be $270.

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Answer:

10.74666666666667 per quart

Step-by-step explanation3 divided 36.24

The equations of the composite functions are (h o h)(x) = (x² + 3)² + 3 and (f o f)(x) = x

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

h(x) = x² + 3

f(x) = 3/4x

From the above, we have

(h o h)(x) = h(h(x))

So, we have

(h o h)(x) = (x² + 3)² + 3

Also, we have

(f o f)(x) = 3/[4(3/4x)]

Evaluate

(f o f)(x) = x

Hence, the composite functions are (h o h)(x) = (x² + 3)² + 3 and (f o f)(x) = x

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Answer:

2lw + 2lh+2hw

Step-by-step explanation:

Answer:

If Im right you had to multiple 1 by 10 and 3

Step-by-step explanation:

Your answer will be 30 but dont forget to add the centimeter at the end

30cm

Hope this helps (:

Answer:

height = 5 cm

Step-by-step explanation:

a cube has congruent sides (s)

the volume (V) of a cube is calculated as

V = s³

given V = 125 , then

s³ = 125 ( take cube root of both sides )

\(\sqrt[3]{s^3}\) = \(\sqrt[3]{125}\) = \(\sqrt[3]{5^3}\)

s = 5

then height = 5 cm

Answer:

384 units²

Step-by-step explanation:

The area of one face is (8)(8)=64.

Multiplying this by the six faces, we get 64(6)=384

9514 1404 393

Answer:

  x ≈ -1.5 or 2.6

Step-by-step explanation:

It appears as though your graph crosses the line y = -2 at approximately x = -1.5 and also at x = 2.6.

These are estimates of the solutions to the equation.

  x ≈ {-1.5, 2.6}

Answer:

-2 and 3

Step-by-step explanation:

From the graph, the solution is the points where the curve cuts the x axis. From the graph, you can see that the equation cuts the x axis at two points that is at x=-2 and 3.

Hence the solutions to the equation is -2 and 3

Answer:

The domain of exponential functions is all real numbers. The range is all real numbers greater than zero. The line y = 0 is a horizontal asymptote for all exponential functions. When a > 1: as x increases, the exponential function increases, and as x decreases, the function decreases.

Answer:

0.23

Step-by-step explanation:

Pythagorean theorem is represented by triangle B.

In this question we find four cases of triangle, of which we must determine what triangle can be explained by Pythagorean theorem. This theorem offers a relationship between the three sides of the triangle:

r² = x² + y²

Where:

Please notice that hypotenuse is the longest side of the triangle. Graphically speaking, there is a right triangle, that is, a triangle with one right angle. Then, triangle B express the relationship according to Pythagorean theorem.

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The piece-wise linear functions can be written as follows:

A linear function is modeled by:

y = mx + b

In which:

For x less than 5, the y-intercept is of b = 3 and the function also gos through (2,2), hence the slope is:

m = (2 - 3)/(2 - 0) = -0.5.

Hence the rule is:

\(f(x) = -0.5x + 3, x < 5\).

When x = 5, the function is constant at -5, hence:

\(f(x) = -5, x = 5\)

For x less than 5, the function goes through points (6,3) and (7,2), hence the slope is:

m = (2 - 3)/(7 - 6) = -1.

Then:

y = -x + b

When x = 6, y = 3, hence the y-intercept is given as follows:

3 = -6 + b

b = 9.

Hence the rule is:

\(f(x) = -x  + 9, x > 5\).

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To start, let's define consistent and inconsistent systems:

Cosistent Independent:

- Has one solution;

- The lines intercept at 1 point.

Consistent Dependent:

- Has Infinite solutions;

- The lines are the same.

Inconsistent:

- Has no solution;

The lines are parallel.

Now, let's evaluate each system.

System (A):

As we can observe in the graph, the lines are the same.

Also, you can isolate y in both equations to observe that the lines are the same:

Line 1:

Line 2:

To isolate y in line 2, let's subtract x from both sides:

And now divide both sides by 4:

As can be observed, Line 1 and 2 are the same.

So, the system is consistent dependent.

This means that the system has Infinite solutions.

System (B):

As we can observe in the graph, the lines are parallel.

Also, comparing the equations, observe that they have the same angular coefficient but different intercepts, confirming that the lines are parallel.

So, the system is inconsistent.

This means that the system has no solutions.

System (C):

As we can observe in the graph, the lines intercept at one point.

So, let's find the intercept.

Do y1 = y2:

Now, isolate x by adding 1/2x to both sides.

Now, multiply both sides by 2/3:

Knowing x, substitute it in one equation to find y. In Line 2 x = y. Then,

Thus, the intercept is (-2, -2).

So, the system is consistent independent.

This means that the system has a unique solution. The solution is (-2, -2).

Answer:

Volume = (24x⁵ + 78x⁴ - 147x³ - 624x² - 360x)

Step-by-step explanation:

Container given in the picture is in the shape of a cuboid.

And volume of a cuboid is measured by the expression,

Volume of a cuboid = Length × width × height

Now substitute the measure of the container's dimensions given in the picture

Volume = (4x² + 3x)(x²- 8)(6x + 15)

             = [(4x² + 3x)(x²- 8)](6x + 15)

             = [4x²(x² - 8) + 3x(x² - 8)](6x + 15)

             = (4x⁴ - 32x² + 3x³ - 24x)(6x + 15)

             = (4x⁴ + 3x³ - 32x² - 24x)(6x + 15)

             = 6x(4x⁴ + 3x³ - 32x² - 24x) + 15(4x⁴ + 3x³ - 32x² - 24x)

             = 24x⁵+ 18x⁴ - 192x³ - 144x² + 60x⁴ + 45x³ - 480x² - 360x

             = 24x⁵ + 78x⁴ - 147x³ - 624x² - 360x

Answer:

V = 24x⁵+78x⁴-147x³-624x²-360x

Step-by-step explanation:

Answer:

490000

Step-by-step explanation:

Substituting \(x=40\),

\(I=-425(40)^2 + 45500(40) - 650000=490000\)

An equation for the function graphed above include the following: g(x) = -1/4|x + 1| - 2.

By critically observing the graph of this absolute value function, we can reasonably infer and logically deduce that the parent absolute value function f(x) = |x| was vertically compressed by a factor of 1/4, reflected over the x-axis, followed by a vertical translation 2 units down, and then a horizontal translation to the left by 1 unit, in order to produce the transformed absolute value function as follows;

f(x) = |x|

y = A|x + B| + C

g(x) = -1/4|x + 1| - 2

In conclusion, the value of the variables A, B, and C are -1/4, 1, and 2 respectively.

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