Which expression represents the determinant of A=[-6 -7 -4 -2
]

Answer:

G.C.F is 6

Step-by-step explanation:

Hope this helps.

Answer:

6

Step-by-step explanation:

Answer:

The answer is r = 6a / (5m² - 1).

Step-by-step explanation:

The steps are :

[tex]m = \sqrt{ \frac{6a + r}{5r} } [/tex]

[tex] {m}^{2} = \frac{6a + r}{5r} [/tex]

[tex]5r {m}^{2} = 6a + r[/tex]

[tex]5r {m}^{2} - r = 6a[/tex]

[tex]r(5 {m}^{2} - 1) = 6a[/tex]

[tex]r = \frac{6a}{5 {m}^{2} - 1 } [/tex]

Answer:

r = [tex]\frac{6a}{5m^2-1}[/tex]

Step-by-step explanation:

Given

m = [tex]\sqrt{\frac{6a+r}{5r} }[/tex] ( square both sides )

m² = [tex]\frac{6a+r}{5r}[/tex] ( multiply both sides by 5r )

5rm² = 6a + r ( subtract r from both sides )

5rm² - r = 6a ← factor out r from each term on the left side

r(5m² - 1) = 6a ← divide both sides by (5m² - 1)

r = [tex]\frac{6a}{5m^2-1}[/tex]

Answer:

1235674895

Step-by-step explanation8

Answer:

The price per share of the stock is 22.04. If the total value decreases by 6% the price becomes 20.71.

Step-by-step explanation:

440.80/20= 22.04

100-6= 94%

0.94 x 440.80= 414.35

414.35/20= 20.71

Answer:  x = (log(y) /(400 log1.0065) or x = log(initial cost)/1.126

Step-by-step explanation:  Take the log of both sides of your equation:

log(y) = log(400)(1.0065)^x

log (y) = log 400 + log(1.0065)^x

Subtract log(400) from both sides:

log(y) - log 400 = xlog(1.0065)

Divide both sides by log(1.0065)

[log(y) - log(400)]/log(1.0065) = x

Now, if you want to know how many years it will take for the guitar to be worth $200, replace y with 200 and solve.

Answer:

Step-by-step explanation:

cone: attached picture below

composite shape: To calculate the area of a composite shape you must divide the shape into rectangles, triangles or other shapes you can find the area of and then add the areas back together. You may have to calculate missing lengths before finding the area of some of the shapes.

ratio: not sure about that question sorry

last question: i have no idea what it is about because my device won't open the picture sorry

though i have answered 2 question of yours

have a great evening

Answer:

Surface area:

Scale factor

Area is a function of two dimensions, each has k applied

Option C

Volume of prism:

Volume of pyramid:

Option A, same volume

Ratio of areas:

Scale factor is:

Answer:

x=2

Step-by-step explanation:

Distribute the 7 across the 2x and 3:

[tex](7)(2x)-3(7)=7[/tex]

[tex]14x-21=7[/tex]

Isolate the x term by adding 21 on both sides:

[tex]14x=28[/tex]

Isolate x by dividing by 14 on both sides:

[tex]\frac{14x}{14}=\frac{28}{14}[/tex]

[tex]x=2[/tex]

If this helped, brainliest answer would be greatly appreciated!

Step-by-step explanation:

the answer is b

Answer:

C. 120 ft^2

Step-by-step explanation:

The area of the triangles= (1/2*3*4)2=12

The area of the larger parallelogram=5*9=45

The area of the bottom rectangle=4*9=36

The area of the vertical rectangle=3*9=27

Totale Surface Area=12+45+36+27=120

Complete question :

Omar is painting a 24-square-foot wall. The wall is divided into squares that each measure 1/4 square foot. How many squares is the wall divided into?

Answer:

96

Step-by-step explanation:

Given that:

Total area of wall = 24 ft²

Area of each division =. 1/4 ft²

Number of division = x

The number of divisions * area of each division = total area of wall

x * 1/4ft² = 24ft²

Divide both sides by 1/4 ft²

x = 24ft² ÷ 1/4 ft²

x = 24 * 4 /1

x = 96

Hence, wall is divided into 96 squares

Answer:

[tex]\boxed {\boxed {\sf (x+2)(x-5)}}[/tex]

Step-by-step explanation:

To factor by grouping, first divide the polynomial into 2 groups with parentheses.

[tex]x^2-5x+2x-10[/tex]

[tex](x^2-5x)+ (2x-10)[/tex]

Factor the greatest common factor (GCF) out of both binomials.

For the first binomial, the GCF is x.

[tex]x(x-5) +(2x-10)[/tex]

For the second binomial, the GCF is 2.

[tex]x(x-5)+2(x-5)[/tex]

Factor out the common binomial which is (x-5).

[tex](x+2)(x-5)[/tex]

The factorized form of x²-5x+2x-10 is (x+2)(x-5)

Answer:

I would expect 12 pages...lol

Step-by-step explanation:

Answer:

x=8

Step-by-step explanation:

180-148=32

12=32-x/2

32-x=24

x=8

Answer:

(4, 3 )

Step-by-step explanation:

Given the 2 equations

x + 3y = 13 → (1)

5x + 6y = 38 → (2)

Multiplying (1) by - 2 and adding to (2) will eliminate the y- term

- 2x - 6y = - 26 → (3)

Add (2) and (3) term by term to eliminate y

3x + 0 = 12

3x = 12 ( divide both sides by 3 )

x = 4

Substitute x = 4 into either of the 2 equations and solve for y

Substituting into (1)

4 + 3y = 13 ( subtract 4 from both sides )

3y = 9 ( divide both sides by 3 )

y = 3

solution is (4, 3 )

Answer: i don,t know sorry but i wish you the best of luck

Step-by-step explanation:

Answer:

do the math

Step-by-step explanation:

Answer:

1) Who wear: 2:5

Whi don't wear: 3:5

2) 10 don't wear spectacles

3) 25

Hope it helps!!!

Answer:

Yes

Step-by-step explanation:

Answer:

Sum: 0.78619≈0.786

Step-by-step explanation:

n=4

r=1, 2, 3, 4

r=1,2,3,4

"At least" counts up.

p=32\%=0.32

p=32%=0.32

q=1-0.32=0.68

q=1−0.32=0.68

The chance a success does NOT occur.

_{n}C_{r}p^rq^{n-r}

The probability that at most one of their six children will have that trait is 0.68

From the question, the given parameters are

Number of children, n = 6

Probability of a child with the trait, p = 37%

The required probability that at most one will have that trait is represented as P(x ≤ 1)

This probability is calculated ;

P(x ≤ 1) = P(0) + P(1)

Where

P(x) = ⁿCₓ * pˣ (1 - p)ⁿ⁻ˣ

So, we have

P(x ≤ 1) = ⁷C₀ (37%)⁰  (1 - 37%)⁷⁻⁰ + ⁷C₁  (37%)¹  (1 - 37%)⁷⁻¹

Evaluate;

P(x ≤ 1) = ⁷C₀ * 1 * (63%)⁷ + ⁷C₁ * (37%) * (63%)⁶

So, we have;

P(x ≤ 1) = 1-0.32= 0.68

Hence, the probability is 0.68

Read more about probability at

brainly.com/question/251701

#SPJ2

Answer: 2 week and 2 days

Step-by-step explanation:

Given

Melody spent 16 days in South America

A week consists of 7 days

In 2 weeks it is, 14 days

So, 16 days is equivalent to 2 weeks and 2 days

Melody spent 2 weeks and 2 days in South America

Answer:

-2w-1 ???

Step-by-step explanation:

i dont fully understand whats happening here  hope this can help

Answer:

1) -2w - 1  

2) 8(4k+3)

Step-by-step explanation:

attached below!!

I hope im right!!

Answer:

6

Step-by-step explanation:

11x13=143

5x13 = 65

143 - 65 = 78

78/13= 6

Answer:

a) The location of the center of the ellipse is [tex](4,-6)[/tex]. It is determine by knowing the location of foci and Midpoint formula.

b) The standard equation of the ellipse is [tex]\frac{(x-4)^{2}}{31}+\frac{(y+6)^{2}}{81} = 1[/tex].

c) Major semiaxis ([tex]a[/tex]): [tex]a = 9[/tex], Minor semiaxis ([tex]b[/tex]): [tex]b = \sqrt{31}[/tex]

Step-by-step explanation:

a) Foci are located in the major axis of the ellipse, given the locations of ends of the major axis and locations of the foci. We can determine the location of the center of the ellipse by Midpoint formula:

[tex](h,k) = \frac{1}{2}\cdot F_{1}(x,y) + \frac{1}{2}\cdot F_{2} (x,y)[/tex] (1)

Where [tex]F_{1} (x,y)[/tex] and [tex]F_{2} (x,y)[/tex] are the locations of the foci.

If we know that [tex]F_{1}(x,y) = (4, -6-5\sqrt{2})[/tex] and [tex]F_{2} (x,y) = (4,-6+5\sqrt{2})[/tex], then the location of the center of the ellipse is:

[tex](h,k) = (4, -6)[/tex]

The location of the center of the ellipse is [tex](4,-6)[/tex]. It is determine by knowing the location of foci and Midpoint formula.

b) Now we need to determine the length of each semiaxis:

Major semiaxis ([tex]a[/tex])

[tex]a = \sqrt{[V_{2}(x,y)-(h,k)]\,\bullet\,[V_{2}(x,y)-(h,k)]}[/tex] (2)

[tex]V_{2}(x,y)-(h,k) = (4,3)-(4,-6)[/tex]

[tex]V_{2}(x,y) - (h,k) = (0, 9)[/tex]

[tex]a = 9[/tex]

Please notice that [tex]V_{2}(x,y)[/tex] is one of the vertices of the ellipse in the major axis.

Distance between focus and center ([tex]c[/tex])

[tex]c = \sqrt{[F_{2}(x,y)-(h,k)]\,\bullet\,[F_{2}(x,y)-(h,k)]}[/tex]

[tex]F_{2}(x,y) -(h,k) = (4-4,-6+5\sqrt{2}+6)[/tex]

[tex]F_{2}(x,y) - (h,k) = (0, 5\sqrt{2})[/tex]

[tex]c = 5\sqrt{2}[/tex]

Minor semiaxis ([tex]b[/tex])

[tex]c^{2} = a^{2}-b^{2}[/tex] (3)

[tex]b = \sqrt{a^{2}-c^{2}}[/tex]

If we know that [tex]a = 9[/tex] and [tex]c = 5\sqrt{2}[/tex], then the length of the minor semiaxis is:

[tex]b = \sqrt{31}[/tex]

In this case, the standard equation of the ellipse is defined by this formula:

[tex]\frac{(x-h)^{2}}{b^{2}}+\frac{(y-k)^{2}}{a^{2}} = 1[/tex]

If we know that [tex]a = 9[/tex], [tex]b = \sqrt{31}[/tex] and [tex](h,k) = (4, -6)[/tex], then the standard equation of the ellipse is:

[tex]\frac{(x-4)^{2}}{31}+\frac{(y+6)^{2}}{81} = 1[/tex]

The standard equation of the ellipse is [tex]\frac{(x-4)^{2}}{31}+\frac{(y+6)^{2}}{81} = 1[/tex].

c) The lengths of the axes are, respectively:

Major semiaxis ([tex]a[/tex]): [tex]a = 9[/tex]

Minor semiaxis ([tex]b[/tex]): [tex]b = \sqrt{31}[/tex]

Answer:

a) The location of the center of the ellipse is . It is determine by knowing the location of foci and Midpoint formula.

b) The standard equation of the ellipse is .

c) Major semiaxis (): , Minor semiaxis ():

Step-by-step explanation:

Answer:

Exact Form:

-18√2

Decimal Form:

-25.45584412

Answer:1 ton is 32,000 ounces so 3 tons is 96000 ounces + 400 = 96,400 ounces total

Hope this helps :)

Answer:

SSS for the top one

SSS for the second one

Step-by-step explanation:

Answer:

Step-by-step explanation:

9x - 7i < 3(3x - 7i)

9x - 7i < 9x - 21i

-7i < -21i

14i < 0i < 0

Answer:

35 units

Step-by-step explanation:

edg

Answer:

14508 if I'm wrong I'm sorry