Please answer this question for me. Urgent.

Answer:

x=3

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the opposite interior angles

45x = 25x+57+x

Combine like terms

45x = 26x+57

Subtract 26x from each side

45x-26x = 26x+57-26x

19x = 57

Divide by 19

19x/19 = 57/19

x = 3

Answer:

It would be -4 for "x" and -6 for "y"

Step-by-step explanation:

x+z=-4+-6=-10

x-y=-4--6=2

Answer: 96cm² or C

Step-by-step explanation:

Area of parallelogram = b × h

b = 12

h = 8

12 × 8 = 96

The area of this parallelogram is 96cm²

9514 1404 393

Answer:

  $6.50/lb

Step-by-step explanation:

To find price per pound, divide price by pounds.

  $35.75/(5.5 lb) = $6.50/lb

\(\left(\dfrac{2}{x+1}\right)\cdot\left(\dfrac{5}{3x}\right) = \dfrac{10}{3x^2+3x}\)

B is right

"984" will be the biggest three-digit number that is a multiple of three and eight.

A horizontal line with evenly spaced numerical increments is called a number line. How the number on the line can be answered depends on the numbers present. The use of the number is determined by the question that it corresponds to, such as when graphing a point.

To find the greatest three-digit number that is a multiple of three and eight.

Multiple of 3 and 8 will have to be the multiple of 24.

Since the maximum three-digit number is 999.

We will divide 999 by 24 and the remainder:

Remainder = 15

Thus,

The Greatest three-digit number will be = 999-15

The greatest three-digit number will be = 984

therefore, the Greatest three-digit number that is a multiple of three and eight will be "984".

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Joule per meter second is the unit of measurement for momentum flux or power per unit area. It is commonly used in physics and engineering to quantify the rate of energy transfer or momentum flow per unit area.

Joule per meter second (J/m^2s) is not the correct unit for momentum flux or power per unit area. The correct unit for momentum flux is Newton per square meter (N/m^2), also known as Pascal (Pa), while the correct unit for power per unit area is watt per square meter (W/m^2). The joule per meter second (J/m^2s) is actually the unit for volumetric energy dissipation rate, which measures the rate at which energy is being dissipated within a fluid volume per unit volume. It is used in the study of fluid dynamics and turbulence.

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The volume of the solid created by revolving a curve f(x) around the y-axis is  2π \(\int\limits^a_b {xf(x)} \, dx\)

What is the cylindrical shell?

A region enclosed by two identically sized cylinders with the same central axis is known as a cylindrical shell. We often denote the height of the cylinders by H, the inner cylinder's radius by r, and the thickness of the shell by t, resulting in a larger cylinder's radius equal to r + t.

Here,

We consider a strip of height y = f(x), and width dx; it is x units away from the axis of rotation.

Now, we rotate this strip about the y-axis; we obtain a cylindrical shell with  

radius = x

height = f(x)

thickness = dx

The volume of cylindrical shell = (circumference)×(height)×thickness

= (2πx)×(f(x))×dx

The volume of revolution = 2π \(\int\limits^a_b {xf(x)} \, dx\)

Hence, the volume of the solid created by revolving a curve f(x) around the y-axis is  2π \(\int\limits^a_b {xf(x)} \, dx\)

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Answer:

y=35

Step-by-step explanation:

y in (-oo:+oo)

14 = (2*y)/5 // - (2*y)/5

14-((2*y)/5) = 0

(-2/5)*y+14 = 0

14-2/5*y = 0 // - 14

-2/5*y = -14 // : -2/5

y = -14/(-2/5)

y = 35

y = 35

The remainder when a positive integer x leaves a remainder of 2 when divided by 8 and x+9 is divided by 8 is 5.

If the positive integer x leaves a remainder of 2 when divided by 8, then we can say that x = 8k + 2, where k is an integer.

Now, if we divide x+9 by 8, we get:

(x+9)/8 = (8k + 2 + 9)/8
         = (8k + 11)/8
         = k + (11/8)

So, the remainder when x+9 is divided by 8 is 11/8. However, since we are dealing with integers, the remainder can only be a whole number between 0 and 7.

Therefore, we need to subtract the quotient (k) from the expression above and multiply the resulting decimal by 8 to get the remainder:

Remainder = (11/8 - k) x 8

Since k is an integer, the only possible values for (11/8 - k) are -3/8, 5/8, 13/8, etc. The closest whole number to 5/8 is 1, so we can say that:

Remainder = (11/8 - k) x 8 ≈ (5/8) x 8 = 5

Therefore, the remainder when x+9 is divided by 8 is 5.

If a positive integer x leaves a remainder of 2 when divided by 8, then x can be expressed as 8k + 2, where k is an integer. To find the remainder when x+9 is divided by 8, we divide x+9 by 8 and subtract the quotient from the decimal part. The resulting decimal multiplied by 8 gives us the remainder. In this case, the decimal is 11/8, which is closest to 1. Thus, we subtract the quotient k from 11/8 and multiply the result by 8 to get the remainder of 5.

The remainder when a positive integer x leaves a remainder of 2 when divided by 8 and x+9 is divided by 8 is 5.

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If Charmaine made 8 stacks with her coins and every stack had 6 coins, then the number of coins that she has all together is 48 coins

The number of coins that she has made  = 8 stacks

The number of coins in each stack = 6 coins

To find the number of coins that she has, we have to multiply the number of stack and number of coins in each stack

Then the number of coins that she has all together = The number of coins that she has made × The number of coins in each stack

Substitute the values in the equation

= 8 × 6

= 48 coins

Hence, if Charmaine made 8 stacks with her coins and every stack had 6 coins, then the number of coins that she has all together is 48 coins

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To calculate the weight of the lead cylinder, we need to determine its volume first. The volume of a cylinder can be calculated using the formula: Volume = π * r^2 * h

Given that the diameter of the cylinder is 2 inches, the radius (r) is 1 inch. The height (h) is 4 inches.

Substituting these values into the formula, we get:

Volume = 3.14159 * 1^2 * 4

Volume = 12.56636 cubic inches

Now, to calculate the weight, we multiply the volume by the weight per cubic inch of lead:

Weight = Volume * Weight per cubic inch

Weight = 12.56636 * 0.04

Weight = 0.5026544 pounds

Therefore, the weight of the lead cylinder is approximately 0.5027 pounds.

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Answer: \(25\ mph\)

Step-by-step explanation:

Given

Jane took 3 hours

First she rode 48 miles with let say with \(x\) mph

then she rode 15 miles with speed \((x+5)\) mph

Equate the time in each ride and equate it to total time

\(\Rightarrow 3=\dfrac{48}{x}+\dfrac{15}{x+5}\\\\\Rightarrow 3x(x+5)=48(x+5)+15x\\\\\Rightarrow 3x^2+15x=48x+48\times 5+15x\\\\\Rightarrow 3x^2-48x-240=0\\\\\Rightarrow (x-20)(x+4)=0\\\\\text{Neglecting the negative value as speed cannot be negative}\\\\\Rightarrow x=20\ mph\)

So, her along the summit is \(x+5=25\ mph\)

Answer:

b

Step-by-step explanation:

you can take the rectagel and you x the rectagel

Answer:

r57

Step-by-step explanation:

Answer:

-11

Step-by-step explanation:

Insert the value of b:   |(-4 * -2) - 8| + |-1 - (-2)²| + 2(-2)³

Simplify & solve:          |8 - 8| + |-1 - 4| + 2 * -8

                                     |0| + |-5| + -16

                                     0 + 5 - 16

                                     -11

To estimate the mean per capita income for a major city in California with an error of at most $0.56 at the 85% confidence level, the economist needs to determine the required sample size.

To calculate the required sample size, we can use the formula: \(n = \left(\frac{{Z \cdot \sigma}}{{E}}\right)^2\), where \(n\) is the sample size, \(Z\) is the Z-score corresponding to the desired confidence level (in this case, for 85% confidence level, \(Z \approx 1.44\)), \(\sigma\) is the known standard deviation (\$6.6), and \(E\) is the desired margin of error (\$0.56). Plugging in the values, we have \(n = \left(\frac{{1.44 \cdot 6.6}}{{0.56}}\right)^2 \approx 52\). Therefore, a sample size of approximately 52 would be required to estimate the mean per capita income with an error of at most $0.56 at the 85% confidence level.

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The maximum mass of carbon dioxide that could be produced by the chemical reaction between 1.2 g of butane and 2.75 g of oxygen is 4.40 g.

To calculate the maximum mass of carbon dioxide produced, we first need to determine the limiting reactant. We compare the number of moles of butane and oxygen by dividing their respective masses by their molar masses. The molar mass of butane (C4H10) is 58.12 g/mol, and the molar mass of oxygen (O2) is 32.00 g/mol.

Using these values, we find that the number of moles of butane is 1.2 g / 58.12 g/mol = 0.0206 mol, and the number of moles of oxygen is 2.75 g / 32.00 g/mol = 0.0859 mol. Since butane has fewer moles than oxygen, it is the limiting reactant.

Next, we need to determine the molar ratio of carbon dioxide to butane using the balanced chemical equation. The balanced equation is:

2 C4H10 + 13 O2 -> 8 CO2 + 10 H2O

From this equation, we can see that for every 2 moles of butane, 8 moles of carbon dioxide are produced. Therefore, for the 0.0206 mol of butane, we can calculate the corresponding mass of carbon dioxide as follows:

0.0206 mol butane * (8 mol CO2 / 2 mol butane) * (44.01 g/mol CO2) = 0.361 g CO2

Thus, the maximum mass of carbon dioxide that could be produced is 0.361 g. However, it is important to note that this assumes ideal conditions and complete conversion, so in reality, the actual yield may be lower due to factors like incomplete reactions or side reactions.

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Considering the given box-and-whisker plot, it is found that 50% of the data values are between 16 and 72.

A box and whisker plot shows five things:

From this plot, we have that:

Hence, 50% of the data values are between 16 and 72.

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Answer:

-3 squared means it is 0.1 for each -1, so it would be 0.001

Step-by-step explanation:

it is 0.003 for a and the rest you can figure out

Answer:4/8 are u in pre?

Step-by-step explanation:

Answer:

\(2y^2-7y+6=0\)

Step-by-step explanation:

We are given that \(\alpha\) and \(\beta\) are the zeroes of the polynomial \(6y^2-7y+2\)

\(y^2-\frac{7}{6}y+\frac{1}{3}\)

We have to find a quadratic polynomial whose zeroes are \(1/\alpha\) and \(1/\beta\).

General quadratic equation

\(x^2-(sum\;of\;zeroes)x+ product\;of\;zeroes\)

We get

\(\alpha+\beta=\frac{7}{6}\)

\(\alpha \beta=\frac{1}{3}\)

\(\frac{1}{\alpha}+\frac{1}{\beta}=\frac{\alpha+\beta}{\alpha \beta}\)

\(\frac{1}{\alpha}+\frac{1}{\beta}=\frac{7/6}{1/3}\)

\(\frac{1}{\alpha}+\frac{1}{\beta}=\frac{7}{6}\times 3=7/2\)

\(\frac{1}{\alpha}\times \frac{1}{\beta}=\frac{1}{\alpha \beta}\)

\(\frac{1}{\alpha}\times \frac{1}{\beta}=\frac{1}{1/3}=3\)

Substitute the values

\(y^2-(7/2)y+3=0\)

\(2y^2-7y+6=0\)

Hence, the quadratic polynomial whose zeroes are \(1/\alpha\) and \(1/\beta\) is given by

\(2y^2-7y+6=0\)

The percentage decrease in Lora's screen time on phone is 25% this week.

Percentage related problems work around a certain reference value. This reference value is what the output percentage refers to when showing any growth or decay in the other value.

For this problem, last week's screen time is that reference value i.e. 920 minutes per week.

Now, current week's usage is 690 minutes per week. For calculating percentage decrease, we first find our the difference (in minutes).

\(Decrease=S_{1}- S_{2}=920-690=230\)

Now, for its percentage we compare this value to our reference value i.e. last week's screen time. This will tell us about the decrease in screen time with reference to last week. This is what percentage does i.e. compares two sets of data.

\(Decrease=\frac{difference}{S_{1}}*100= \frac{230}{920}*100\)

\(Decrease=25\)%

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Answer:25

Step-by-step explanation:

Answer:

6 ft^3 or cubic ft

Step-by-step explanation:

Volume = B x H or L x W x H

Base = L x W

Length: 3 ft

Width: 1 ft

Height: 2 ft

3 x 1 x 2 = 6

6 ft^3

We need at least 5 tosses to be certain that the probability of getting at least one 6 is greater than or equal to 1/2.

The probability of not getting a 6 on a solitary throw of a fair six-sided kick the bucket is 5/6. Subsequently, the probability of not getting a 6 on n throws is \((5/6)^n\). The probability of getting somewhere around one 6 in n throws is 1 - \((5/6)^n\).

To view the quantity of throws expected as sure that the probability of getting somewhere around one 6 is more prominent than or equivalent to 1/2, we can set the probability equivalent to 1/2 and address for n:

1 - \((5/6)^n\) = 1/2

\((5/6)^n\) = 1/2

Taking the normal logarithm of the two sides, we get:

n ln(5/6) = ln(1/2)

n = ln(1/2)/ln(5/6) ≈ 4.807

Hence, we really want something like 5 throws to be sure that the probability of getting no less than one 6 is more prominent than or equivalent to 1/2.

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Answer:

4 square feet each.

Step-by-step explanation:

A square is 4 times 4 so if you divide 16 divided by 4 it is 4.

Answer:

The sides are going to 4 square feet long.

Step-by-step explanation:

This is true because since a square has equal length sides. And there are 4 sides. So divided 4 by 16 to get 4. So, the answer is 4 square feet long.

Mark brainliest if ya don't mind!

Answer:

The value of x=3

Step-by-step explanation:

We are given that

AE is parallel to BD.

BC=12 units

CD=16 units

DE=4 units

AB=x

We have to find the value of x.

Triangle proportionality theorem:

When a line  is parallel to  one side  of a triangle and intersect the other two sides of triangle, then the line divides the sides proportionally.

Using triangle proportionality theorem

\(\frac{BC}{AB}=\frac{CD}{DE}\)

\(\frac{12}{x}=\frac{16}{4}\)

\(x=\frac{12\times 4}{16}\)

\(x=3\)units

Hence, the value of x=3

The person must score 136 to be in the top 5% of all scores in wechsler adult intelligence scale.

The formula for the normal distribution is;

z = (x - μ)/σ

where,

If we want to be in the top 5%, we must outperform 95% of the remaining scores. So we must investigate.

In with us standard normal probability table, look up 0.95 and get the Z score that corresponds to that.

z = 1.7

Put the value in formula ad find x.

1. 7 = (x - 110)/15

x = 25.5 + 110

x = 135.5

x = 136 (whole number)

Thus, the person must score 136 to be in the top 5% of all scores in wechsler adult intelligence scale.

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