Which figure is a scalene triangle?

Answer:

12 + 1x = 236 maybe that

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

2+3x-18

Answer: the last one

Step-by-step explanation:

Since we have four three cards, four four cards and four five cards, this means that we have 12 possibilities out of 52; that is the probability is:

Therefore the probability is 3/13

Answer:

Circle, hexagon, and oval

Step-by-step explanation:

They are all 2d.  

We have number of bottles on the x-axis and cost on the y-axis. To understadn the cost before any bottles are ordered, it is better to find the slope of the graph.

Answer:

(x+5) (x+2)

Step-by-step explanation:

I can't see them clearly....

Answer:

7/8,5/6

Step-by-step explanation:

Two fractions are equivalent when their division is equal to one.

When we are dividing fractions, we multiply the numerator by the inverse of the denominator.

1/9,2/18

7/8,5/6

The division is not 1, so this par of fractions is not equivalent.

3/16, 9/48

6/15, 4/10​

Answer: six ways

Step-by-step explanation: The pairs when the cube is rolled that are less than five would be; (1,1), (1,2), (1,3), (2,1), (2,2), (3,1) since each cube is out of six.

Answer:

Mochi

Step-by-step explanation:

Mochi is growing at 4lb per week

Kappa is growing 3lb per week

Density –The frequency with which something exists with a given unit of area.

Definition of density: A material's density is determined by how closely it is packed. As the mass per unit volume, it has that definition. Symbol for density: D or Formula for Density: Where is the density, m is the object's mass, and V is its volume, the equation is: = m/V.

How much "stuff" is contained in a specific quantity of space is determined by its density. For instance, a block of the harder, lighter element gold (Au) will be denser than a block of the heavier element lead (Pb) (Au). Styrofoam blocks are less dense than bricks. Mass per unit volume serves as its definition.

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simultaneous equations

Answer:

It will take them 7.89 days

Using Lagrange multipliers, the maximum and minimum values of the function f(x, y) = 5x² + 5y² subject to the constraint xy = 1 are found to be f(min) = 10 and f(max) = ∞ (unbounded).

Finding the extreme values of f(x, y, z) = x + 2y subject to the constraints x + y + z = 6 and y² + z² = 4 involves using Lagrange multipliers to solve the system of equations. The extreme values are determined to be

f(min) = 0 and f(max) = 8.

To find the maximum and minimum values of f(x, y) = 5x² + 5y² subject to the constraint xy = 1 using Lagrange multipliers, we set up the Lagrangian function L(x, y, λ) = f(x, y) - λ(xy - 1).

We then take partial derivatives of L with respect to x, y, and λ, and set them equal to zero.

Solving the resulting system of equations, we find that the only critical point is at (x, y) = (±1, ±1).

However, plugging these points into f(x, y) shows that the function is unbounded and approaches infinity as x and y increase or decrease. Therefore, there is no maximum or minimum value for the given function subject to the constraint.

To find the extreme values of f(x, y, z) = x + 2y subject to the constraints x + y + z = 6 and y² + z² = 4, we set up the Lagrangian function L(x, y, z, λ, μ) = f(x, y, z) - λ(x + y + z - 6) - μ(y² + z² - 4).

Taking partial derivatives of L with respect to x, y, z, λ, and μ, and setting them equal to zero, we obtain a system of five equations.

Solving this system of equations, we find the critical points (2, 2, 2) and (2, -2, -2). Plugging these points into f(x, y, z) gives us f(2, 2, 2) = 8 and f(2, -2, -2) = 0.

Therefore, the extreme values of the function subject to the given constraints are f(min) = 0 and f(max) = 8.

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Answer:

Tax: 1.23

Total: 15.63

Step-by-step explanation:

14.40 x .085 = 1.224

1.224 + 14.40 = 15.624

Round and you get about 15.63

Answer:

1.2

Step-by-step explanation:

The equivalent fraction to the given complex fraction is  \(\frac{2y-1}{3y+1}\).

Given expression,

\(\dfrac{2-\frac{1}{y} }{3+\frac{1}{y} } } \\\)

We have to find the equivalent fraction of    \(\frac{2-\frac{1}{y} }{3+\frac{1}{y} } } \\\) .

On solving,

\(\dfrac{2-\frac{1}{y} }{3+\frac{1}{y} } } =\dfrac{\frac{2y-1}{y} }{\frac{3y+1}{y} }\)

Eliminating y from numerator and denominator we get,

\(\dfrac{2-\frac{1}{y} }{3+\frac{1}{y} } } =\dfrac{2y-1} {3y+1} }\)

Hence the required expression is    \(\frac{2y-1}{3y+1}\).

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Answer:

The answer is D :)

Step-by-step explanation:

2y-1/3y+1

Answer:

131.95

Step-by-step explanation:

C=2πr=2·π·21≈131.94689

42

42÷2=21

circumstances=2πr

circumstances=2×22/7×21cm

2×22/1×3cm

2×22=44

44×3cm=132

nearest hundredth=100

I hope im correct

we will use the formula of tan(A+B)= (tanA+tanB)/(1-tanAtanB)

and tan(A-B)= (tanA-tanB)/(1+tanAtanB)

tan[(pie/4)+(x/2)]= [1+tan(x/2)]/[1-tan(x/2)] ......(1)

tan[(pie/4)-(x/2)]= [1-tan(x/2)]/[1+tan(x/2)]......(2)

now add the equation (1) and (2) which is LHS of question. So we get:

{[1+tan(x/2)]^2 + [1- tan(x/2)]^2}/1-tan^2(x/2)=2[1+tan^2(x/2)]/1-tan^2(x/2)= 2/cosx = 2secx =RHS

Hence proved.

Step-by-step explanation:

Perpendicular : means two lines meet at 90°

1) angle B = 90° - 50°

= 40°

2) Angle D = 90° - 30°

= 70°

Step-by-step explanation:

To convert 6 3/4 meters to centimeters, we need to multiply the value by 100.

First, convert the mixed number to an improper fraction:

6 3/4 = (6 * 4 + 3)/4 = 27/4

Now, multiply the fraction by 100:

(27/4) * 100 = 675/2 = 337.5

Therefore, 6 3/4 meters is equal to 337.5 centimeters.

Answer:

13z-18

Step-by-step explanation:

(5z-6)(2z+3)?

5z(2z+3)-6(2z+3)

10z+15z-12z-18

25z-12z-18

13z-18

Answer:

500

Step-by-step explanation:

50x10 = 500

50 feet per second so we multiply 50 (the speed per second) by 10 (the time given). You can also use a formula like this:

S x T

S= Speed

T= Time

Step-by-step explanation:

a) Since there are 2 #1 in the spinner, the probability of landing on a 1 is 2/8 or 1/4

b) Since there is only one #2, the probability is only 1/8.

c) Probability of landing on #3 is 2/8 or 1/4.

d) Probability of landing on a #4 is 1/8

e) Just like the case of #1 & #3, there are 2 chances out of eight that it will land on a #5 so the probability is 2/8 or 1/4

Answer:

-4 -1 1 3.9 3.99

Step-by-step explanation:

The number can be anything that is less than the number 4.

Hope this helps! :)

The values which satisfy the inequality y < 4 are - 4, - 1, 1, 3, 3.9. 3.99, 3.999.

Inequality is a relation that compares two numbers or other mathematical expressions in an unequal way.

The symbol a < b indicates that a is smaller than b.

When a > b is used, it indicates that a is bigger than b.

a is less than or equal to b when a notation like a ≤ b.

a is bigger or equal value of an is indicated by the notation a ≥ b.

An inequality y < 4 is given.

This states that the variable y is strictly less than 4 it could be 3.999999.. but not 4.

Then the value that makes the inequality true are,

- 4, - 1, 1, 3, 3.9. 3.99, 3.999,

If the inequality was y ≤ 4 then 4 could have included 4 only but not 4.001.

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Answer:

The error is at (-4, 0) where 0 should be changed to 1

Step-by-step explanation:

The error was made at (-4, 0). The point should be (-4, 1) instead, because the y values should be increasing by 3 each time.

Answer: \(\dfrac{4x^2-14x+10}{(x-5)(x+5)(x-3)}\)

Step-by-step explanation:

Given

Subtract the expression

\(\Rightarrow \dfrac{4x}{x^2-25}-\dfrac{2}{x^2+2x-15}\\\\\Rightarrow \dfrac{4x}{(x-5)(x+5)}-\dfrac{2}{x^2+5x-3x-15}\\\\\Rightarrow \dfrac{4x}{(x-5)(x+5)}-\dfrac{2}{(x+5)(x-3)}\\\\\text{Take the LCM and subtract}\\\\\Rightarrow \dfrac{4x(x-3)-2(x-5)}{(x-5)(x+5)(x-3)}\\\\\Rightarrow \dfrac{4x^2-12x-2x+10}{(x-5)(x+5)(x-3)}\\\\\Rightarrow \dfrac{4x^2-14x+10}{(x-5)(x+5)(x-3)}\)

For both part (a), the two nonnegative numbers, x and y must be 0 and 20 for the sum of their squares to be as large as possible, and 10 and 10 for the sum of their squares to be as small as possible. For part (b), x must be 20 and y should be 0 for largest possible result, whereas for smallest possible result x must be 0 and y should be 20.

Nonnegative numbers are numbers which are greater than or equal to zero.

For a much straightforward and easy way of solving such questions we can simply use the trial and error method.

For part (a), we can start off by taking both the numbers as 10. The sum of their squares will now be 100. If we take the numbers as 12 and 8, the sum of their squares will be 208. As we can see by increase one of the numbers we get a larger result. Thus, the largest possible values will be 20 and 0, which will give a result of 400. While carrying out this trial and error method we also found out that the minimum result was obtained when both the numbers were 10.

For part (b), a similar approach can be taken. Through trial and error method we observe that  20 + (0)^1/2 gives the largest possible result, whereas 0 + (20)^1/2 gives the smallest possible result.

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Answer:

8

Step-by-step explanation:

Answer:

Step-by-step explanation: ahshshhshdbd