can someone help me

Answer:

B.

[tex] \frac{1}{ \sqrt{2} } [/tex]

Answer:

x = 11 ; y =13

Step-by-step explanation:

3x - 2 y = 7    -------------(I)

        y = x + 2  -----------(II)

Substitute y = x + 2 in equation (I)

3x - 2(x + 2) = 7

3x - 2*x + 2*(-2) = 7

3x - 2x - 4 = 7

      x - 4 = 7

           x = 7 + 4

x = 11

Plugin x = 11 in equation(II)

y = 11 + 2

y = 13

Answer:

here it is plz mark me as brainliest

Using the normal approximation to the binomial, it is found that there is a 0.0015 = 0.15% probability that at most 80 of these people will choose the creamery's brand.

In a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

In this problem:

The mean and the standard deviation are given by:

[tex]\mu = np = 300(0.35) = 105[/tex]

[tex]\sigma = \sqrt{np(1-p)} = \sqrt{300(0.35)(0.65)} = 8.26[/tex]

Using continuity correction, the probability that at most 80 of these people will choose the creamery's brand is [tex]P(X \leq 80 + 0.5) = P(X \leq 80.5)[/tex], which is the p-value of Z when X = 80.5, thus:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{80.5 - 105}{8.26}[/tex]

[tex]Z = -2.97[/tex]

[tex]Z = -2.97[/tex] has a p-value of 0.0015.

0.0015 = 0.15% probability that at most 80 of these people will choose the creamery's brand.

A similar problem is given at https://brainly.com/question/25298431

Answer:

-4y(3y + 1) (9y^2 - 3y + 1)

Step-by-step explanation:

-108y^4 - 4y

= -4y(27y^3 + 1)

= -4y(3y + 1) (3^2y^2 - 3y + 1)

= -4y(3y + 1) (9y^2 - 3y + 1)

Answer:

-4y(3y + 1) (9y^2 - 3y + 1)

Answer:

25. 7 months

26. Php 12500

27. a. 3x-4y=8

b. 4x+2y=0

c. _ graph yourself

d. Yes it does

28. A. Yes

B. Yes

C. No

Answer:

590 decimal form is 5.9

Step-by-step explanation:

Answer:

Step-by-step explanation:

it is only a division

5/90 =

5 : 90 =

0.05555555555

Answer:

Carros = 20

Motos = 30

Step-by-step explanation:

Carros = x

Motos = y

x + y = 50

4x + 2y = 140

x = 50 - y

4 (50-y) + 2y = 140 (substitución)

200 - 4y + 2y = 140

- 2y = 140 - 200

y = -60/-2

y = 30

x + 30 = 50

x = 50-30

x = 20

Answer: For every 1 family there is 3 children.

Step-by-step explanation:

Answer: 46 x 4 = 184

184 + 46 is 230

Step-by-step explanation:

Answer:

36

Step-by-step explanation:

Find the unit rate for each hour

144/24=6

6 hrs every hour

6*6=36 miles in 6 hours

Given the image attached, the segment bisector that divides XY into two and the length of XY are as follows:

Recall:

In the diagram attached below, line n divides XY into XM and MY.

Thus, the segment bisector of XY is: line n.

Find the value of x:

XM = MY (congruent segments)

[tex]5x + 8 = 9x + 12[/tex]

[tex]5x + 8 = 9x + 12\\5x - 9x = -8 + 12\\\\-4x = 4\\\\x = -1[/tex]

XY = XM + MY

[tex]XY = 5x + 8 + 9x + 12[/tex]

[tex]XY = 5(-1) + 8 + 9(-1) + 12\\\\XY = -5 + 8 -9 + 12\\\\\mathbf{XY = 6}[/tex]

Therefore, given the image attached, the segment bisector that divides XY into two and the length of XY are as follows:

Learn more here:

https://brainly.com/question/19497953

Answer:

2.66666666667

1.14285714286

Step-by-step explanation:

Answer:

1 divided by 3/8=2 2/3 and 5 divided by 7/8=5 5/7

Step-by-step explanation:

first you have to divided the 1 and 3/8 you will get 8/3 then you divided that and you will get 2 2/3

After you do that one you go to 5 divided by 7/8 you will get 40/7 then you divided that and you will get 5 5/7

Answer:

Step-by-step explanation:

Andrew likes to solve puzzles.

       It took him 4.5 minutes to complete one puzzle with 18 numbers.

       It took him 6 minutes and 24 seconds to complete a different puzzle with 32 numbers.

a     For each puzzle work out how many seconds it took Andrew to complete one number.

b     Use your answer to part a to decide which puzzle Andrew completed faster.

Answer:

279 meters

Step-by-step explanation:

This is just some simple multiplication. 93*3=279

Submarine Odyssey's depth below sea level is 279 meters.

Given that two submarines titan and odyssey, titan descended 93 meters and odyssey descended 3 times as deep.

We need to find the depth of the submarine odyssey.

To find Odyssey's depth below sea level, we can start by determining the depth that Submarine Titan descended.

According to the given information, Submarine Titan descended 93 meters into the ocean to look for fish.

Now, we need to find the depth that Submarine Odyssey descended, which is three times as deep as Submarine Titan.

We can calculate this by multiplying the depth of Submarine Titan (93 meters) by 3:

Depth of Submarine Odyssey = 93 meters x 3 = 279 meters

Therefore, Submarine Odyssey's depth below sea level is 279 meters.

Learn more about multiplication click;

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Answer:

slope = (4-(-3))/(-3-2)=7/-5=-[tex]\frac{7}{5}[/tex]

Step-by-step explanation:

Answer: m=-7/5

Step-by-step explanation:

[tex](-3,4) (2-^-3) \\\\\frac{-3-4}{2-^-3} \\m=-\frac{7}{5}[/tex]

Answer:

Step-by-step explanation:

7.5% less than 120

Answer:

1

Step-by-step explanation:

x/81

x=81

81÷81=1

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

Answer:

20 20 35

Step-by-step explanation:

4+4+7 then divide by 75 whatever answer you get multiplyy by the 4 or the other 4 or the 7

Answer:

10kg//

Step-by-step explanation:

density=5g/cm

volume=2cm

mass=?

we know,

density=m/v

d×v=m

m=5×2

hence,10kg//

Answer:

 10g/cm

Step-by-step explanation:

If  [tex]Distance= \frac{Mass}{Volume}[/tex]

Then

Mass = Density x Volume

Answer:

30

Step-by-step explanation:

I think but if is wrong i'm sory

Answer:

Equilateral triangle

Step-by-step explanation:

All the three sides are equal.So, it is equilateral triangle

Answer:

X, Y, Z are collinear

Step-by-step explanation:

X,Y,Z lie on the same straight line

The slope of the lines are the same thus line m and n both passes through X, Y, and Z points and thus all three points will be colinear.

A slope is a tangent or angle at a point and a slope is the intensity of inclination of any geometrical lines.

Slope = Tanx where x will be the angle from the positive x-axis at that point.

Given that line m is passing →

Points X and Y

Line n passing →

Points X, Z

The slope of m = slope of n

If the slope same then the line will be parallel and since both lines are passing through the same point X thus they will be a colinear line.

All points that lie on the colinear line are colinear points.

Hence "X, Y, and Z all three points will be colinear".

To learn more about slopes,

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Answer:

For example, apply the distributive property to the expression 3 (2 + ) to produce the equivalent expression 6 + 3; apply the distributive property to the expression 24 + 18 to produce the equivalent expression 6 (4 + 3); apply properties of operations to + + to produce the equivalent expression 3.

Step-by-step explanation: hope this helps

Answer:

y = 13 × [tex]4^{x}[/tex]

Step-by-step explanation:

Substitute the given values into the exponential

Using (0, 13 ) , then

13 = a[tex]b^{0}[/tex] ( [tex]b^{0}[/tex] = 1 ) , so

a = 13

y = 13 [tex]b^{x}[/tex]

Using (3, 832 )

832 = 13 b³ ( divide both sides by 13 )

64 = b³ ( take cube root of both sides )

b = [tex]\sqrt[3]{64}[/tex] = 4

The exponential function is

y = 13 [tex](4)^{x}[/tex]

Answer:

45.625cm²

Step-by-step explanation:

To solve this, we need to do the area of the circle - the area of the rectangle:

Area of the circle

a = πr² (r is the radius, half the diameter)

a = π × 4²

a = π × 16

a = 16π or 50.265cm²

Area of the rectangle

a = length × width

a = 5 × 1

a = 5cm²

50.265 - 5 = 45.265

Hope this helps!

Answer:

8x2 to the second power plus 8.

Step-by-step explanation:

not my answer but I hope this helps

40 = 49 - 9

49 is equal to 7×7, or 7². 9 is equal to 3×3, or 3².

we can write this as [tex]7^{2}[/tex] - [tex]3^{2}[/tex]

Another way:

(10 - 3[tex])^{2}[/tex] - [tex]\sqrt{81}[/tex]

Answer:

x=13

Step-by-step explanation:

Switch sides:

2x−9=17

Add 9 to both sides:

2x−9+9=17+9

Simplify

2x=26

Divide both sides by 2:

2x/2 =26/2

Simplify to get the result.

x=13

Answer:

x=13

Step-by-step explanation:

[tex]\sf 2x-9=17[/tex]

[tex]\sf 2x-9+9=17+9[/tex]

[tex]\sf 2x=26[/tex]

[tex]\sf \cfrac{2x}{2}=\cfrac{26}{2}[/tex]

[tex]\sf x=13[/tex]

Answer are in pictures below