51 decreased by twice Jose's height
use the variable j to represent Jose's height.
​

modusAnswer:

median=8

modusmodusmodus=8

Step-by-step explanation:

6,6,6,7,7,7,7,7,8,8,8,8,8,8,8,8,9,9,9,9,11

median=[ttTTeTTextTTeTTexteTexTTeTTextTTeTTexteTex]X_{\frac{21+1}{2}}=X_11

Answer: a) Both a(x) and b(x) have a maximum or minimum value at x = 2.

Step-by-step explanation:

The required order from least to greatest is √3 − 1, 2√10 ÷ 5, √14, 3√2, √19 + 1 and 6

An arrangement of numbers in which the numbers are arranged from smallest to greatest numbers is called ascending order.

Given that, some numbers, 3√2, √3 − 1, √19 + 1, 6, 2√10 ÷ 5 and √14.

We need to order them from least to greatest,

3√2 = 4.24

√3 − 1 = 0.73

√19 + 1 = 5.35

6

2√10 ÷ 5 = 1.26

√14 = 3.74

The order from least to greatest is :-

0.73, 1.26, 3.74, 4.24, 5.35 and 6

i.e.

√3 − 1, 2√10 ÷ 5, √14, 3√2, √19 + 1 and 6

Hence, the required order from least to greatest is √3 − 1, 2√10 ÷ 5, √14, 3√2, √19 + 1 and 6

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Answer:

to find the missing number is all u have to do is understand the problem and silve the problem!

Step-by-step explanation:

paki brainly po

Answer:

yes

Step-by-step explanation:

12+3=5x-3+3

15=5x

15=5(3)

15=15

Answer:

c+3d+3

Step-by-step explanation:

The values of the functions are f(x) = cos(kx)(2 sin kx - 1) and f'(x) = -2sin²(kx)

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

f(x) = sin(kx)

Generally, To find f(x), we can use the double angle formula for sine:

sin(2kx) = 2sin(kx)cos(kx)

Substituting this expression into the given function, we get:

f(x) = sin(kx) - 1 + cos(kx)

Solving further, we have

f(x) = 2sin(kx)cos(kx) - 1 + cos(kx)

Factor out cos(kx)

f(x) = cos(kx)(2sin(kx) - 1)

To find f'(x), we can use the chain rule

And the fact that the d/dx sin x is cos x and the d/dx cos x is -sin x:

So, we have

f'(x) = cos(kx) * (2cos(kx)) + (2sin(kx) - 1) * (-sin(kx))

This gives

f'(x) = -2 sin²(kx) + 2sin(kx)cos(kx)

So, we have

f'(x) = 2sin(kx)(cos(kx) - sin(kx))

f'(x) = 2sin(kx) * (-sin(kx))

f'(x) = -2 sin²(kx)

So the final answer is f(x) = cos(kx)(2 sin kx - 1) and f'(x) = -2sin²(kx)

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Answer: y = -2x + 5

Step-by-step explanation:

y = _x + 5

(5,0) (3,4)

(y2 - y1) / (x2 - x1)

(4 - 0 ) / (3 -5)

4 / -2

-2

y = -2x + 5

Answer: Number 1 answer: I agree with Andre. Number 2 answer: The diagram could represent 14.

Step-by-step explanation:

1. I agree with Andre because the squares are all tenths. so the first rectangle has 10 tenths which is 100. The four small squares equal 40 since 4 tenths is 40. If you add them both you get 140.

2. The diagram could represent 14 because you can think of the squares as ones. so ten ones is 10, and four ones is 4. So 10 plus 4 is 14.

Hope this helped keep on asking questions. Plz mark me brainliest

Answer:

10x³ - 7x² - 7x + 4

General Formulas and Concepts:

Pre-Algebra

Algebra I

Step-by-step explanation:

Step 1: Define

(10x³ - 3x - 5) - (7x² + 4x - 9)

Step 2: Simplify

Answer:

k = \(\frac{3}{4}\)

Step-by-step explanation:

given variation equation

y = kx

to find k substitute y = 3 and x = 4 into the equation and solve for k

3 = 4k ( isolate k by dividing both sides by 4 )

\(\frac{3}{4}\) = k

Answer:

(-1, -2)  

Step-by-step explanation:

Rotating clockwise 90 degrees will result in   (x,y) becoming (y, -x)

  so this becomes   (-1, - 2)

Answer: i couldn't find an answer

Step-by-step explanation: i couldn't find the answer anywhere and im in 4th grade so sorry

In the selection, the order doesn't matter, then you could use a combination. The formula is:

Where n is the number of things to choose from and r is the amount we choose.

Then if there are 6 teaches and the committee must be formed with 3 of then, the combinations are:

And also there are 10 students and the committee must be formed by 7 of them, then the combinations are:

And finally, the total number of ways the committee could be made is:

Answer: 2400 ways

Answer:

Step-by-step explanation:

Answer:

z = 40 + 26.00x + 15.00y

Coefficients: 26.00, 15.00

Constant: 40

Variables: z, x, y

Step-by-step explanation:

Let x be the number of canoe rentals and y be the number of bicycle rentals.

(The family can hold only one annual pass, so we don't need a variable for that. Rather, we'll use a "constant." But the number of bicycle/canoe rentals can change!)

Let z be how much the family spends in a year.

The family spends $26 for each canoe rental, so

26.00x for x canoe rentals

Similarly, 15.00y for y canoe rentals

So z = 40 + 26.00x + 15.00y

The coefficients are the 26.00 and the 15.00. Coefficients are the numbers attached to the variables.

The constant is 40. A constant is a number by itself.

The variables are z, x, and y. Variables are our unknowns.

If two parallel lines are crossed by a transversal, the value of x is option (b) x = 70 degrees

When two parallel lines are intersected by a transversal, eight angles are formed. Two of these angles are vertical angles, which are opposite angles that share the same vertex and are formed by the intersection of two lines.

Vertical angles are always congruent, meaning they have the same measure. This is a geometric property that is true regardless of the angle's degree measurement.

In this problem, one of the vertical angles is given to be 70 degrees. Therefore, the other vertical angle must also have a measure of 70 degrees. This means that the value of x, which is the measure of one of the vertical angles, is also 70 degrees.

So, correct option is (b) x = 70 degrees.

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The given question is incomplete, the complete question is:

Two parallel lines are crossed by a transversal. What is the value of x? a) x = 40 b) x = 70 c) x = 110 d) x = 130.

Answer:

False

Step-by-step explanation:

To determine if the inverse of g(x) is a function, we will use the horizontal line test.

A horizontal line will pass through more than one point, so it is not a function

Answer:

80 miles per day

Step-by-step explanation:

Let the unit rate be x miles per day for humpback whale

It means that in one day humpback whale travels x miles

Given that it traveled for 25 days

in 1 day humpback whale traveled = x miles

in 1*25 days humpback whale traveled = x*25 miles

Thus, in 25 days humpback whale traveled 25x miles

given that humpback whale traveled 2000 mile sin 25 days

thus,

25x = 2000

x = 2000/25 = 80

Thus, unit rate for humpback whale is 80 miles per day

The estimated sum of 7 83/84 is 8 to the nearest whole number.

Mixed fractions are fraction that has a whole number attached to an improper fraction. A mixed fraction can be added by first adding the real whole numbers together, then adding their improper fraction counterparts with it.

Also, we can add two mixed fractions together by first converting all the mixed fractions to improper fractions before adding them together.

Using the first process:

= 4 5/12 + 3 8/14

The whole number are 4 and 3, adding those two together, we have:

= 7 (5/12 + 8/14)

The L.C.M of 12 and 14 is 84.

= 7( (7×5)+ (6*8) )  /84

= 7 (35+ 48/84)

= 7 (83/84)

To decimal, we get 7.988. Therefore, the estimated sum of 7 83/84 is 8 to the nearest whole number.

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The value of the expression 18 + 4(28) will be 130.

When the relevant factors and natural laws of a mathematical model are given values, the outcome of the calculation it describes is the expression's outcome.

PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.

The expression is given below.

⇒ 18 + 4(28)

Simplify the expression, then the value of the expression will be

⇒ 18 + 4 x (28)

⇒ 18 + 4 x 28

⇒ 18 + 112

⇒ 130

Thus, the value of the expression 18 + 4(28) will be 130.

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The given options, the only value greater than 1 is 1.003. Therefore 0.886, which is less than 1 and makes the inequality true.

The given number sentence is 5.3 × > 5.3, where we need to find the scaling factor that makes the inequality true. To do this, we can divide both sides of the inequality by 5.3. This gives us:

5.3 × x > 5.3 ÷ 5.3 × k

We need to find the value of k that makes the inequality true. Simplifying the right-hand side of the equation, we get:

5.3 ÷ 5.3 × k = k × 1 = k

Substituting this into our equation, we get:

5.3 × x > k

We know that 5.3 × 1 = 5.3, which means that k must be greater than 1 to satisfy the inequality. Among the given options, the only value greater than 1 is 1.003. However, this value would make the inequality too large, so it is not the correct answer.

The correct answer is therefore 0.886, which is less than 1 and makes the inequality true.

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Answer:

Becky is 7 years old.

Step-by-step explanation: Let b - Becky's age ; Equation - 3b = 21. Divide both size by 3 to isolate the variable.

Answer:

Becky's 7 seven years old

Step-by-step explanation:

If 21 = 3x

x = 21/3

x = 7

Hope this helps :)

Pls brainliest...

Answer:

511 million km²

Step-by-Step Explanation:

Let the total surface area of the Earth be x.

Water covers 70.7% of the total surface area of the Earth, i.e.,

70.7% of x = 3.61 x 10⁸ km²

or, 70.7x /100 = 3.61 x 10⁸ km²

or, 707x/1000 = 3.61 x 10⁸ km²

or, 707x = 3.61 x 10⁸ x 1000km²

or, 707x = 3.61 × 10^11 km²

or, x = 0.0051 × 10^11 km²

or, x = 5.1 × 10⁸ km² = 511 million km²

Hope it helps.

If you have any query, feel free to ask .

Answer:

511 million km²

Step-by-step explanation:

Let x be the approximate total surface area of the Earth.

Given water covers 70.7%, or about 3.61 × 10⁸ km², set up an equivalent ratio of percent (in decimal form) to area:

\(\implies 0.707:3.61 \times 10^8=1:x\)

Solve for x:

\(\implies\dfrac{0.707}{3.61 \times 10^8}=\dfrac{1}{x}\)

\(\implies0.707x=3.61 \times 10^8\)

\(\implies x=\dfrac{3.61 \times 10^8}{0.707}\)

\(\implies x=\dfrac{3.61 }{0.707}\times 10^8\)

\(\implies x=5.10608203...\times 10^8\)

One million has 6 zeros and can be written in scientific notation as:

Therefore, to write x in millions as x × 10⁶, subtract 2 from the exponent and move the decimal point to the right by 2 places:

\(\implies x=510.608203...\times 10^6\)

Therefore, the approximate surface area of the Earth is 510.608203... million km², which is 511 million km² to the nearest million.

The values of x and y are 8 and 10, respectively

The list of the numbers is given as:

4, 7, x, y, 11

The mean and median of the five numbers are the same.

The median is the middle number.

So, we have

Median = x

This means that

Mean = Median = x

The mean is calculated as:

Mean = Sum/Count

This gives

(4+ 7+ x+ y+ 11)/5 = x

Evaluate the sum

(22 + x + y)/5 = x

This gives

22 + x + y = 5x

Evaluate the like terms

4x = 22 + y

Based on the order of the list, we have:

7 < x < y < 11

Assume y = 10

4x = 22 + 10

This gives

x = 32/4

x = 8

Recall that:

7 < x < y < 11

This means that

7 < 8 < 10 < 11

The above is true

Hence, the values of x and y are 8 and 10, respectively

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a)

b)

c)

The coordinates of p which divides the line AB in ratio 3:1 is (3.75, 3.5).

The section formula provides the coordinates of a point that, either internally or externally, divides the line connecting two locations in a ratio.

P ( x , y ) = ( c ⋅ m + a ⋅ n m + n , d ⋅ m + b ⋅ n m + n ) .

Ratio of line = 3:2

m and n represents the ratios 3:2

let the coordinates of p(x, y).

using Section formula

= [ (3(4) + 1(3) / (3+1), 3(3) + 1(5) / 3+ 1]

= (15/ 4, 14/4)

= (3.75, 3.5)

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Answer:

Each mark on the top of the number line increases by 70, so the second mark is 140. Each mark on the bottom number increases by 20%. So 40% of 350 is 140.

Step-by-step explanation:

We can see that the number line is divided into 5 equal parts on both the top and bottom.

Let's do the bottom part of the number line first.We can divide 100 by 5 to get what each segment of the total number line is. 100/5=20. Each segment of the bottom number line is 20%. The rest of the bottom number line is adding by 20 until we have reached 100. 20%, 40%, 60%, 80%, 100%.

For the top: Having the bottom part done, we know that each small segment is 20%. We can multiply 350 (the total) by 0.2 which gives us 20% of 350. 350x0.2=70. Each part of the line segment for the top will increase by 70. You can keep adding 70 to each segment, which will fill out the number line just the same. But for more explanation, lets continue filling it out step by step. Now, we can multiply 350 by 0.4 (40%). 350x0.4=140 (part of your final answer). Continue doing so for the rest. An important thing to notice is that the numbers we are multiplying 350 by are all matching the percents that should be filled in at the bottom. 350x0.6=210. That's the third mark. Next, 350x0.8=280. That's the fourth mark. Now, we have 350, which is 100%.  

Also, when you're not asked to do a double number line, you can divide the part by the total. 140/350=0.4. 0.4=40%.

Hope this helped.