I need help with this problem

Applying the law of cosine, the largest angle in the given triangle, to the nearest whole degree, is: 99°.

Law of cosine is, c² = a² + b² - 2ab(cosC)

Let,

Plug in the values into the formula for the law of cosine:

26² = 15² + 19² - 2(15)(19)(cosC)

676 = 586 - 570(cosC)

676 - 586 = -570(cosC)

90 = -570(cosC)

90/-570 = cos C

-0.1579 = cos C

C = cos^(-1)(-0.1579)

C = 99°

The largest angle = 99°

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Answer:

Step-by-step explanation:

Perpendicular formula

m1 * m2 = - 1

Givens

m1 = - 7

m2 = ??

Solution

-7 * m2 = -1

m2 = 1/7

y = 1/7 x + b

x = 8

y = -3                     Substitute these values into y = 1/7 x + b

-3 = (1/7)*8 + b    

-3 = 8/7 + b          Subtract 8/7  from both sides

-3 - 8/7 = b

-4 1/7 = b

Answer (perpendicular line) y = (1/7) x - 4 1/7  or

Answer (perpendicular line) y = (1/7) x - 4.14

Parallel line

Nothing changes except you have a different y intercept.

y = -7x + b

x = 8

y = -3                           Substitute these values into y = -7x + b

-3 = -7*8 + b

-3 = - 56 + b

-3 + 56 = b

b = 53

Equation Parallel line: y = -7x + 53

Answer:

37,000 milliliters = 37 liters

Step-by-step explanation:

A Litre is a

1,000

unit greater than a milliliter, so

multiply

the number of liters by

1,000

to find the number of milliliter. Therefore, 37 liters is equal to

37,000

milliliters

Answer:

1/6 is left

Step-by-step explanation:

A woman gives 1/4 of a cake to her son 1/4 to her daughter, and 1/3 to her husband. What fraction is left?

As 4*3=12, we need to convert into twelfths.

3/12 + 3/12 + 4/12 = 10/12. This needs to be subtracted from 1 (12/12).

12/12 - 10/12 = 2/12. Simplify to 1/6.

1/6 is left.

Answer:

158

Step-by-step explanation:

I'm pretty sure it's this. I know it's either this or 4, but this is more likely

Answer:

The answer is 4

Step-by-step explanation:

2+2=4. Brainly patrol, stop deleting my answer!

Step-by-step explanation:

If you have any dout you can ask me.

[tex]x^3-2x^2-5x +6\\\\=x^3-x^2-x^2+x-6x+6\\\\=x^2(x-1)-x(x-1)-6(x-1)\\\\=(x-1)(x^2 -x -6)\\\\=(x-1)(x^2 -3x +2x -6)\\\\=(x-1)\textbf{[} x(x-3) +2(x-3)\textbf{]}\\\\=(x-1)(x-3)(x+2)[/tex]

The requried, factored form of the given expression is (x - 1)(x - 3)(x + 2).

A number or algebraic expression that evenly divides another number or expression—i.e., leaves no remainder—is referred to as a factor.

To factor the polynomial f(x) = x³ – 2x² – 5x + 6 completely, we can use a combination of the rational root theorem and synthetic division.

We can use synthetic division to test each possible root and see if it is a factor of the polynomial. Starting with x = 2, we have:

2 | 1 -2 -5 6

  | 2 0 -10

  |_____________

1 0 -5 -4

Since the remainder is not zero, x = 2 is not a factor of the polynomial. Continuing with the other possible roots, we find that x = 1 and x = 3 are roots, but x = -1, x = -2, x = -3, and x = -6 are not roots.

Therefore, we can factor the polynomial as follows:

f(x) = x² – 2x² – 5x + 6

= (x - 1)(x - 3)(x + 2)

So the completely factored form of f(x) is f(x) = (x - 1)(x - 3)(x + 2).

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#SPJ7

The approximate measure of angle acb in right triangle abc in which the length of the hypotenuse, line segment ac is 25 cm is 53.1 degrees.

In a right angle triangle, ratio of the adjacent side to the hypotenuse side is equal to the cosine angle between them.

[tex]\cos\theta=\dfrac{b}{c}[/tex]

Here, (a) is the adjacent side, (c) is the hypotenuse side and θ is the angle made between them.

The right triangle abc is given, in which,

According to the right angle triangle property,

[tex]\cos(acb)=\dfrac{bc}{ac}\\\cos(acb)=\dfrac{15}{25}\\\angle acb=\cos^{-1}(0.6)\\\angle acb=53.1^o[/tex]

Hence, the approximate measure of angle acb in right triangle abc in which the length of the hypotenuse, line segment ac is 25 cm is 53.1 degrees.

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Answer:

53.1 degrees.

Step-by-step explanation:

Answer:

Step-by-step explanation:

1st one false 2 one false the third one true

The amount of the gross pay of the employee is 726.80 dollars. Then the correct option is D.

Taking two or more numbers and adding them together, or the entire amount of two or more numbers in addition.

A statement of an employee's biweekly earnings is given below. earnings deductions week ended regular is shown below.

$62.00, $45.06, $10.54, $12.40, $596.80

Then their sum will be

→ $62.00 + $45.06 + $10.54 + $12.40 + $596.80 = 726.80

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Answer:

They are triangle that have equal side and angle measurements.

Step-by-step explanation:

Answer:

A table that represents a linear equation should be your answer. This means your slope should be constant/straight not like a parabola or absolute function.

Step-by-step explanation:

When you're trying to solve something using slope-intercept you can graph it or plug numbers for (x,y).  

Graph:

Start at (0,-3)

Then plot the point since that is your Y-Intercept

Then go 5 up and 4 over to find your next point.

Once done, you should connect the dots to form a slope or a linear equation.

Answer:

Give your laptop to me I repair it

Answer:a. >

Step-by-step explanation:

Using the t-distribution, as we have the standard deviation for the sample, it is found that the 90% confidence interval is (246.6, 282.8).

The confidence interval is:

[tex]\overline{x} \pm t\frac{s}{\sqrt{n}}[/tex]

In which:

The critical value, using a t-distribution calculator, for a two-tailed 90% confidence interval, with 16 - 1 = 15 df, is t = 1.7531.

Researching the problem on the internet, the standard deviation was of 42.1 mg/dL, hence the parameters are as follows:

[tex]\overline{x} = 264.7, s = 41.2, n = 16[/tex]

Thus, the bounds of the interval are given by:

[tex]\overline{x} - t\frac{s}{\sqrt{n}} = 264.7 - 1.7531\frac{41.2}{\sqrt{16}} = 246.6[/tex]

[tex]\overline{x} + t\frac{s}{\sqrt{n}} = 264.7 + 1.7531\frac{41.2}{\sqrt{16}} = 282.8[/tex]

The 90% confidence interval is (246.6, 282.8).

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Which would most likely be graphed using a continuous graph? Check all that apply.

total cost, c, of buying b cans of beans

total cost, c, of buying g pounds of broccoli

speed of a car, s, as it accelerates over time, t

number of stamps, s, needed to mail p postcards

total distance, d, that has been driven over time, t

decrease in outside temperature, F, one evening over time, t

B,C,E,F

this is what i found..hope it helps

Answer:

5x-20

Step-by-step explanation:

Using the distributive property, we "feed" x and -4 the 5. So x turns into 5x and -4 turns into -20

In calculating the mean of this data set  Ashrita did the best job.

The  Mean of the data set is the most commonly used measures of central tendency.

It means the average value of the data set.

one doesn't have to arrange the data in order  for finding it.

The data set value  takes is to add them all together and divide that by the number of the data.

It can be written as

[tex],(x_1 + x_2 + x_3 + ..... + x_n) / n[/tex]

Where [tex]x_1 , x_2 , x_3 , ..... ,x_n[/tex]are the values in the data set

Therefore we can conclude that Ashrita did the best job in calculating the mean of this data set.

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Answer:

Question 6 answer is 35

Step-by-step explanation:

using pythagoras theorem, hypotenuse²= opposite²+ adjacent²

since it is said that we're looking for the hypotenuse then the values given are for opposite and adjacent.

therefore, hyp²= 21²+28²

hyp²= 1225 take square root of both sides to eliminate square and find hypotenuse

hyp= 35

Answer:

√7

Step-by-step explanation:

√7 is the only irrational number because it has the radical sign

√

https://brainly.com/question/19242625

Answer: Individual probability stated below. As a single event 8/20×7/20×5/20

=280/8000= 3.5%

Step-by-step explanation: Balls picked with replacement is independent event.

P(red) =7/20 =35%

p(blue)= 8/20=40%

P(yellow) 5/20=25%

Answer:

189.9394

Step-by-step explanation:

Since 6 is >= 5, the 3 thurns into a 4

If you meant to say "x is less than 25", then it translates to [tex]x < 25[/tex]

If you meant to say " |x| is less than 25", then it translates to [tex]|x| < 25[/tex] and that absolute value inequality expands into [tex]-25 < x < 25[/tex], meaning x is between -25 and 25 excluding both endpoints.

Step-by-step explanation:

I think you made some mistakes in the problem definition.

I guess you mean

9 = (1/27)^(a+3)

let's think about how to create 9 out of 1/27 just by using exponents.

we note that 27 is 3³. and therefore the cubic root of 27 is 3.

so,

(1/27)^(1/3) = 1/3

because the exponent 1/3 means "cubic root". an exponent 1/2 means square root. and so on.

making the exponent negative means 1/...

so,

(1/27)^(-1/3) = 3

and now, with what exponent operation can we turn 3 into 9 ?

by squaring it.

so,

((1/27)^(-1/3))² = 9

putting an exponent on an exponent means to multiply the exponents during simplification.

therefore,

((1/27)^(-1/3))² = (1/27)^(-2/3) = 9

that means

a + 3 = -2/3

a = -2/3 - 3 = -2/3 - 9/3 = -11/3

so, the first answer option is correct.

The solution of the provided equation (x – 3)(x 9), which is the product of two binomial equation, is 0.

The solution of the quadratic equation is the solution of the variable of the equation, for which the equation satisfies.

To find the solution of the equation, equate it to zero after factorizing it.

The equation provided in the problem is,

[tex](x - 3)(x+ 9)=-27[/tex]

Simplify the equation with the help of mathematical operations,

[tex](x - 3)(x+ 9)=-27\\x^2-3x+9x-27=-27\\x^2+6x-27+27\\x^2+6x=0\\x(x+6)=0[/tex]

Equate the factors to zero,

[tex]x=0;\; x=-6[/tex]

Hence, the solution of the provided equation (x – 3)(x 9), which is the product of two binomial equation, is 0.

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The data representation where the median is the better measure of the center is the third data representation.

From the information, the last bar graph is skewed to the right, since the values of its fourth and fifth bars are way smaller than the values of its first, second, and third graphs.

The drastically smaller values pull down the mean of the last bar graph. Comparatively, bar graphs one and two have symmetrical distributions of numbers on both sides of the central bar and this implies that their mean is balanced out on both sides and that neither of them is significantly skewed left or right.

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Answer: B/ the second graph

Step-by-step explanation: i hope this helps :)

Answer:

0.446429

Step-by-step explanation: