Work out the
circumference of a circle with diameter 1.8 cm.
Take pi to be 3.142 and give your answer to 1 decimal place.

Answer:

The red is the pre-image. The blue is after the 1st transformation. The green is after the 2nd transformation.

Step-by-step explanation:

This is because; you can see the tiny marks. 1 mark next to the letter represents 1 transformation while 2 marks next to letter symbolize the 2nd transformation! I hope this helped you :D

Answer:

[tex]6:14=3:7[/tex]

Step-by-step explanation:

There are 6 blue marbles and 14 red marbles, so the ratio of blue marbles to red marbles [tex]=6:14=3:7[/tex]

The graph is misleading because it doesn't begin at zero and the graph starts on Mon.

A line graph is a graph made up of segments of straight lines that connect the depicted data points.

We have a line graph shown in the picture that represents the stock price over a 5 - day period.

As we can see in the graph,

The graph starts on the Mon and price was $11.4(approximated)

Examples of "classic" deceptive graphs include those in which the vertical scale is off, skips digits, or doesn't begin at zero.

Thus, the graph is misleading because it doesn't begin at zero and the graph starts on Mon.

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Answer:

[tex]14\sqrt{2}[/tex]

Step-by-step explanation:

In a 45°-45°-90° triangle, the legs = x and the hypotenuse = [tex]x\sqrt2}[/tex]

x = 14

[tex]x\sqrt{2} =14\sqrt{2}[/tex]

Answer:

d

Step-by-step explanation:

14 startroot 2 endroot cm

Answer:

Mateo can measure out the sugar 10 times using the 1/8 measuring cup because 10 times 1/8 equals 1 1/4

Step-by-step explanation:

Answer:

$36

Step-by-step explanation:

14.40 is 40% of 36.

Answer:

$36

Step-by-step explanation

40/100 = 14.4/?

100 * 14.4 = 1440

1440 / 40 = 36

Answer: x=0 x=2i x=-2i

if your factoring: x(x^2+4)

Step-by-step explanation:

(if your solving for x)

[tex]x^{3} +4x\\x(x^{2} +4)\\\\x=0\\\\x=\frac{-b}{2a}\frac{+}{-} \frac{\sqrt{b^2-4ac}}{2a} \\\\x=\frac{0}{2}\frac{+}{-} \frac{\sqrt{0^2-16}}{2} \\x={0}}\frac{+}{-} \frac{\sqrt{-16}}{2} \\[/tex]

[tex]x={0}}\frac{+}{-} \frac{4i}{2} \\\\\\x=\frac{+}{-}2i[/tex]

The correct hypothesis that can be set up for this test is given as

H0: mu = 5.8

Ha: mu ≠ 5.8

This is the method of inference that is made in a statistical testing in order to know if the dat available is able to support the claims that have been made.

What the manufacturer wants to know is the average filling of the machine. If it is within 5.8 or not.

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The slope of a straight line passing through the points (-4, 2) and (8, 5) is 1/4.

The slope of a straight line measures the rate of change of variable 'y' with respect to independent variable 'x'. Mathematically -

m = (y₂ - y₁)/(x₂ - x₁) = tan Ф

Given is a line that passes through the points (-4, 2) and (8, 5).

The slope of a straight line passing through two points is given by -

m = (y₂ - y₁)/(x₂ - x₁)

The coordinates given are (-4, 2) and (8, 5).

Substituting them in the formula, we get -

m = (y₂ - y₁)/(x₂ - x₁)

m = (5 - 2)/(8 + 4)

m = 3/12

m = 1/4

Therefore, the slope of a straight line passing through the points (-4, 2) and (8, 5) is 1/4.

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The value of ∠ABC is 64 degree at x = 19 degree ,therefore Yin is not right about the value of x .

A triangle is a polygon with three sides , angles and vertices.

It is given that

m∠ABC = (4x – 12)°

m∠ACB = (2x + 26)°

Let m∠ACB = y degree

It is asked that if x =19 degree , is the triangle equilateral

m∠ABC = (4x – 12)° = 4 *19 -12 = 64 degree

As in an equilateral triangle , the angles are all equal and equal to 60 degree.

If the value of ∠ABC is 64 degree at x = 19 degree ,therefore Yin is not right about the value of x .

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Answer:No, Yin is not correct. If

x = 19, the measure of angle ABC = 4(19) – 12 = 64. Therefore, the two base angles measure 64°. An equilateral triangle is equiangular, so each angle would have to measure 60° because there are 180° in a triangle.

Step-by-step explanation: Because ;0

Answer:

6

Step-by-step explanation:

Answer:

6.93

Step-by-step explanation:

formula to find height of equilateral triangle is [tex]\frac{\sqrt{3} }{2} *A[/tex] A is the side of the equilateral triangle

Answer:

6.93 inches

(first option listed)

Step-by-step explanation:

we can find the height of this triangle by turning it into a right triangle, and then using the Pythagorean Theorem

(process shown in photo)

hope this helps!! have a lovely day :)

Answer:

There are two sets of numbers that meet the criteria:

1)  8 and 16, or

2) -8 and -16

Step-by-step explanation:

Let's call the two numbers A and B.

We are told:

1) A-B=8, and

2) A^2 + B^2 = 320

Rearrange 1) to solve for A:

A=8+B

Use this value of A in the second equation:

A^2 + B^2 = 320

(8+B)^2 + B^2 = 320

(64+ 16B + B^2) + B^2 = 320

2B^2 + 16B + 64 = 320

B^2 + 8B + 32 = 160

B^2 + 8B + 32 = 160

B^2 + 8B - 128 = 0

(B+16)(B-8)=0

B is either -16 or +8

Assuming B = 8

Then from A-B=8 we find that A = B+8 and A = 16

Does A^2 + B^2 = 320?

  (16)^2 + (8)^2 = 320?

  256 + 64 = 320?  YES

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

Assuming B=-16

If B=-16, then from A-B=8 we find that A = 8+(-16) and A = -8

Does A-B=8?

 -8 - (-16) = 8?  YES

Does A^2 + B^2 = 320?

 (-8)^2 + (-16)^2 = 320?

 64  + 256 = 320?  YES

Using the binomial distribution, it is found that there is a 0.3125 = 31.25% probability of getting 2 goals out of 5.

The formula is:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

The parameters are:

The values of the parameters are given as follows:

n = 5, x = 2, p = 0.5.

Hence the probability is:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]P(X = 2) = C_{5,2}.(0.5)^{2}.(0.5)^{3} = 0.3125[/tex]

0.3125 = 31.25% probability of getting 2 goals out of 5.

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Answer:

Answer A is correct

Step-by-step explanation:

4 (-15 - 3p ) - 4 (-p + 5 )

First, solve the brackets.

-60 - 12p + 4p - 20

Combine like terms.

- 80 - 8p

∴ - 8p - 80

the answer for the question above is 9/5

The inequality 6s - 300 > 210 represents the minimum number of socks (s) when George bought socks for "$"300 and planned to sell them for $6 a pair, and want to make a profit of more than 210.

In the question, we are given that George bought socks for $300.

Therefore, George's total cost = $300.

We assume the number of pairs of socks George sells to be s.

The unit price per pair quoted by George = $6

Therefore, George's total sales = $6s.

We know that the profit over a transaction is given as the difference between sales and costs, that is,

The profit = The total sales - the total costs,

or, profit = 6s - 300.

In the question, we are required to make a profit of more than 210.

This can be shown by the inequality,

6s - 300 > 210.

Thus, the inequality 6s - 300 > 210 represents the minimum number of socks (s) when George bought socks for "$"300 and planned to sell them for $6 a pair, and want to make a profit of more than 210.

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5x²+20x+16y-15=0 is the equation, in vertex form, for the given parabolas.

We need to determine the equation, in vertex form, for the following parabolas.

We can find the parabola's equation in vertex form following two steps:

Step 1: Use the (known) coordinates of the vertex, (h,k), to write the parabola's equation in the form: y=a(x−h)²+k.

Step 2: Find the value of the coefficient a by substituting the coordinates of the point into the equation written in step 1 and solving for a.

Now, substitute (−2, 5) in y=a(x−h)²+k

⇒y=a(x−(-2))²+5

Now, substitute (2, 0) in y=a(x−(-2))²+5.

0=a(2+2)²+5

⇒a=-5/16

So, y=-5/16(x+2)²+5

⇒16y=-5(x²+4x+4)+5

⇒16y=-5x²-20x-20+5

⇒5x²+20x+16y-15=0.

Therefore, 5x²+20x+16y-15=0 is the equation, in vertex form, for the given parabolas.

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The diagram of two similar triangles to complete the proportion is; Height of Person/Height of flower = Length of a person's shadow/Length of flowers' shadow.

From the concept of similar triangles, we know that If two figures are similar, then the ratio of its corresponding sides is proportional, and this ratio is called the scale factor.

Applying this similar triangles theorem to our question, we can say that;

Height of a person/length of a person's shadow = Height of flower/length of a flower's shadow

We can rewrite this to get;

Height of Person/Height of flower = Length of a person's shadow/Length of flowers' shadow.

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The total number of persons that are ion Tracy's English class is given as 21.

We have the Venn diagram showing that there are 14 people in English

15 people in history

While there is a number of 7 students intersecting the two subjects.

Hence the people that attend both history and English are 7.

From here we would know that an English class would be made up of 14 + 7 persons

= 21 persons.

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Answer:

81pi

Step-by-step explanation:

You are asking yourself the area of pi*r^2 could with r as 9. pi*9^2. solve and you get 81pi :D

Question : Prism A and Prism B have the same volume. Which could be the dimensions of prism B?

Prism A :

Length = 8 feet

Width = 4 feet

Height = 5 feet

Prism B:

Length = ? feet

Width = ? feet

Height = ? feet

Option 1:

Length = 6 feet

Width = 10 feet

Height = 2 feet

Option 2:

Length = 4 feet

Width = 4 feet

Height = 10 feet

Option 3:

Length = 5 feet

Width = 4 feet

Height = 7 feet

Option 4:

Length = 8 feet

Width = 4 feet

Height = 6 feet

Here, the dimensions of the prism B will be length = 4 feet, width = 4 feet, and height = 10 feet.

We know that if the a and b be the length and width of the base respectively and c be the height of a prism, then the volume of the prism is abc.

Given that

length of 1st prism = 8 feet

width of 1st prism = 4 feet

height of 1st prism = 5 feet

So volume of 1st prism = 8 * 4 * 5 = 160 feet³

Now the volume of 1st and 2nd prisms are the same.

So, we have to check the options for length, width, and height of the 2nd prism.

1st option:

Height = 6 feet

Width = 10 feet

Length = 2 feet

So, volume = 6 * 10 * 2 = 120 feet³

Then the 1st option is incorrect.

2nd option:

Height = 4 feet

Width = 4 feet

Length = 10 feet

So, volume = 4 * 4 * 10 = 160 feet³

Then the 2nd option is correct.

Therefore, the dimensions of the prism B will be length = 4 feet, width = 4 feet, and height = 10 feet. The 2nd option is correct.

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Answer: Each owner gets $300000

Step-by-step explanation:

one and a half million is 1500000

then divide by 5

you get $300000

Using proportions, it is found that the farmer has planted 258 acres.

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

He plants 413 acres during the entire year, hence, considering he plants an equal amount daily, and the year is 5/8 over, the amount he has planted is:

A = (5/8) x 413 = 258 acres.

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A number which is 17 less than 10,004:

     =9987

Hope it helps!

The true statement about functions is D. If f and g are functions, then (f + g)(-2) = (g + f)(-2).

It should be noted that a function is used to define the relationship that's exist between rte variables.

In this case, when f and g are functions, then (f + g)(-2) = (g + f)(-2).

Therefore, the correct option is D.

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A graph is a way to represent a lot of data in such a visual format. The correct statements are A, B, and D.

A graph is a way to represent a lot of data in such a visual format that it is easy for the user to understand the complete information in one go. Usually, the line of the graph is a function that follows the graph.

The statement that is correct about the given table is,

A.) The largest total number of electronic devices sold was on Wednesday.

B.) The smallest number of TVs sold was on Monday.

D.) On Tuesday, more tablets were sold than any other type of electronic device

hence, the correct statements are A, B, and D.

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Using a geometric sequence, the formula for the number of kilograms of fruit sold on the nth day is:

[tex]f(n) = 5(3)^{n - 1}[/tex]

A geometric sequence is a sequence in which the result of the division of consecutive terms is always the same, called common ratio q.

The nth term of a geometric sequence is given by:

[tex]a_n = a_1q^{n-1}[/tex]

In which [tex]a_1[/tex] is the first term.

For this problem, the first term and common ratio are given as follows:

[tex]a_1 = 5, q = 3[/tex]

Hence the function can be written as:

[tex]f(n) = 5(3)^{n - 1}[/tex]

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If [tex]1-4x\ge0[/tex], then by definition of absolute value

[tex]|1-4x| = 1-4x > 7 \implies 4x < -6 \implies x < -\dfrac32[/tex]

On the other hand, if [tex]1-4x<0[/tex], then

[tex]|1-4x| = -(1-4x) = -1 + 4x > 7 \implies 4x > 8 \implies x > 2[/tex]

So, the overall solution to the inequality is interval union

[tex]\left(x < -\dfrac32\right) \cup (x > 2)[/tex]