Please help ASAP 4 and 5 will mark brainliest and give 10 points

Answer:

9.9 inches

Step-by-step explanation:

The area of a triangle is given by

A = 1/2 bh  where b is the length of the base and h is the length of the height

49 = 1/2 x*x

Multiply each side by 2

2*49 = x^2

98 = x^2

Take the square root of each side

sqrt(98) = sqrt(x^2)

9.899494937 =x

Rounding to the nearest tenth

9.9 =x

An inequality that represents the number of hot dogs per minute joey could eat for the last 9 minutes to break his record is: 9d +  \(11\frac{1}{4}\) > 72

For given question,

Joey chestnut is trying to break his own record for eating the most whole hot dogs in 10 minutes.

He needs to eat more than 72 hot dogs to break his record.

After 1 minute, joey has eaten \(11\frac{1}{4}\) hot dogs.

let d represent the number of hot dogs joey eats per minute for the next 9 minutes.

9d +  \(11\frac{1}{4}\) is the expression that shows how many hot dogs he will eat in total.

9d being how much he'll eat in the remaining 9 minutes, and \(11\frac{1}{4}\) being the number of hot dogs he's already eaten in the first minute.

Since it has to beat his former record of 72, it has to be greater than 72. The inequality would be

9d +  \(11\frac{1}{4}\) > 72

Therefore, an inequality that represents the number of hot dogs per minute joey could eat for the last 9 minutes to break his record is:

9d +  \(11\frac{1}{4}\) > 72

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The required dimensions of a rectangular rancher with perimeter for fencing, 3000 feet are equal the 500 feet and 375 feet at maximum area of 3,75,000 ft².

We have a rancher which to construct adjacent, equally sized rectangular pens with the fencing of 3000 feet. Suppose that the rancher need to be fenced in the way shown in the attached figure. Then, the perimeter is 4x + 3y = 3000

=> x \( =\frac{3000 - 3y}{4} \).

The area of rectangle is represented by A=L × W --(1) , where L and W are dimensions of rectangles. The total area will be A = 2× x × y --(2)

=> A = 2× (\(\frac{3000 - 3y}{4}\))× y

= ( \( 1500 - \frac{3y}{2} \))y

= \( 1500y - \frac{3y²}{2} \)

Now, differentiate above area function, with respect to y, and equate to 0, for determining the critical points on the graph, \(\frac{dA}{dy} \) = A'(y) =\( 1500 - \frac{6y}{2} \) = 0

=> y = \(\frac{1500}{3} = 500 \)

Also, x \( =\frac{3000 - 3× 500}{4} \).

\( =\frac{1500}{4} = 375 \).

Maximum area = 375 × 500 × 2 = 375000 ft². Hence, the dimensions that will give the maximum area are 500 feet and 375 feet.

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Complete question : attached figure complete the question.

We find that the surface integral evaluates to 54π. the surface integral ∫∫S (x^2 + y^2 + z^2) dS,

where S is the part of the cylinder x^2 + y^2 = 9 that lies between the planes z = 0 and z = 3, together with its top and bottom disks, evaluates to 54π.

To evaluate the surface integral, we can use the formula ∫∫S f(x, y, z) dS, where f(x, y, z) is the integrand and dS represents the surface element.

In this case, the integrand is (x^2 + y^2 + z^2) and the surface S is defined by the equation x^2 + y^2 = 9 and bounded by the planes z = 0 and z = 3, including the top and bottom disks.

We can express the surface integral as the sum of three parts: the lateral surface of the cylinder and the two disk surfaces. The lateral surface can be parameterized as x = 3cosθ, y = 3sinθ, and z ranges from 0 to 3. The two disk surfaces have their own parameterizations.

By performing the calculations, integrating over each surface element, and summing the results, we find that the surface integral evaluates to 54π.

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The box's speed vf at 2.6 seconds after you first started pushing it is 18.2 m/s.

To determine the box's speed vf at 2.6 seconds after you first started pushing it, we first need to find the acceleration of the box and then use that acceleration to calculate its velocity using the kinematic equation:

v_f = v_i + at

Where:

v_f is the final velocity of the box

v_i is the initial velocity of the boxa is the acceleration

t is the time

First, we can use the given information to find the acceleration of the box using the equation:

a = F / m

Where:

F is the force you applied to the boxm is the mass of the box

From the given values, we have:

F = 35 Nm = 5 kg

Substituting these values into the equation above, we get:a = 35 N / 5 kga = 7 m/s^2

Now that we have the acceleration of the box, we can use the kinematic equation above to find its final velocity:v_f = v_i + at

We are given that the box starts from rest (v_i = 0).

Substituting the values we have so far, we get:

v_f = 0 + (7 m/s^2) × (2.6 s)v_f = 18.2 m/s

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Answer:

7x+9y=45

Step-by-step explanation:

Answer:

$3.50

Step-by-step explanation:

if you divide 42 by 12 you get 3.5

Answer:

The cost of her old laptop would be $52.

Step-by-step explanation:

\( \frac{125\%}{65 \: dollars} = \frac{100\%}{n} \)

Answer:

I believe it is $3.

Explanation:

m=sum/number

m=12/4 which is 3.

I hope this helps!

Answer:

- x= 10-6y+y²

Step-by-step explanation:

|x-1|=3-y

(|x-1|)²=(3-y)²

x-2x+1=9-6y+y²

-x=9-6y+y²+1

0 planes contain points J, K, and N.

Given that, planes X and Y and points J, K, L, M and N.

We need to find exactly how many planes contain points J, K, and N.

From the figure, we can see Point J doesn't belong to the planes X and Y and Point K and N belong to the plane X.

Since, points J, K, and N together do not belongs to any single plane, the planes contain points J, K, and N is 0.

Therefore, 0 planes contain points J, K, and N.

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Answer:

2 planes.

Step-by-step explanation:

The third option is correct.

Answer:

y = 3x - 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 3 , then

y = 3x + c ← is the partial equation

To find c substitute (2, 3) into the partial equation

3 = 6 + c ⇒ c = 3 - 6 = - 3

y = 3x - 3 ← equation of line

Answer: The number is 1.

Step-by-step explanation:

Let the number be x

5-x = 1+3x

or, 5 = 1+3x+x

or, 5 = 1+4x

or, 5-1 = 4x

or, 4x = 4

or, x = 4/4

so, x = 1

the probability of randomly selecting the correct unscrambling would be 1/n!. As the length of the word increases, the probability of randomly selecting the correct unscrambling becomes increasingly small due to the exponential growth of possible arrangements.

The probability of coming up with the correct unscrambling through random letter selection depends on the specific word being unscrambled and the number of possible permutations. In general, the probability can be quite low due to the large number of possible combinations.

To calculate the probability, you would need to know the total number of possible letter arrangements and the number of arrangements that result in the correct unscrambling. Let's assume we have a word with n letters. The total number of possible arrangements is n!, which represents n factorial (the product of all positive integers from 1 to n).

The number of arrangements that result in the correct unscrambling depends on the specific word and the length of the word. For example, if the word has 4 letters, there are 24 possible arrangements (4!). However, only one of those arrangements is the correct unscrambling.

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Answer:

-2x+24

Step-by-step explanation:

given,

= -3(2x-8)+4x

= -6x+24+4x

= 2x+24

therefore 2x+24 is the required equation.

hope it helps!

Answer:

\(r^4 * r^3\\r^7\)

Answer:

Option 4

Step-by-step explanation:

3x(x+2)-4(x+2)

(3x-4)(x+2)

3x²+6x-4x-8

3x²+2x-8

Brainliest please

Answer:

(x + 2)(3x - 4)

3x^2 + 2x - 8

Step-by-step explanation:

Factor out x + 2.

You get: (x + 2)(3x - 4)

Now multiply it out:

(x + 2)(3x - 4) = 3x^2 - 4x + 6x - 8 = 3x^2 + 2x - 8

Answer:

Centre (5,-9) and radius is 14

Step-by-step explanation:

The circle equation is of form,

\( = > {(x - a)}^{2} + {(y - b)}^{2} = {r}^{2} \)

where centre is (a,b) and radius is 'r'.

Answer

this is a Parallelogram or a Polygon

Step-by-step explanation:

most likey the polygon

as i see it, it looks like a polygon

Answer:

150 Lanterns

Step-by-step explanation:

Total lanterns : 300

\(\frac{2}{6} * 300 = 100\)
\(\frac{1}{6} * 300 = 50\)

so He sold 150 lanterns in total , leaving 300-150 = 150 Lanterns left.

Answer:

• Given a line segment AB

• open the compass more than half of the distance between A and B, and scribe arcs of the same radius centered at A and B.

• Call the two points where these two arcs meet C and D. Draw the line between C and D.

• CD is the perpendicular bisector of the line segment AB. Call the point where CD intersects AB M.

We have proved that Angle BCD is equal to angle BAD plus angle ABC plus angle ADC, as required.

To prove that angle BCD is equal to angle BAD plus angle ABC plus angle ADC, we can use the following steps:

Step 1: Join points A and C with a line segment. Let's label the point where AC intersects with line segment BD as point E.

Step 2: Since line segment AC is drawn, we can consider triangle ABC and triangle ADC separately.

Step 3: In triangle ABC, we have angle B + angle ABC + angle BCA = 180 degrees (due to the sum of angles in a triangle).

Step 4: In triangle ADC, we have angle D + angle ADC + angle CDA = 180 degrees.

Step 5: From steps 3 and 4, we can deduce that angle B + angle ABC + angle BCA + angle D + angle ADC + angle CDA = 360 degrees (by adding the equations from steps 3 and 4).

Step 6: Consider quadrilateral ABED. The sum of angles in a quadrilateral is 360 degrees.

Step 7: In quadrilateral ABED, we have angle BAD + angle ABC + angle BCD + angle CDA = 360 degrees.

Step 8: Comparing steps 5 and 7, we can conclude that angle B + angle BCD + angle D = angle BAD + angle ABC + angle ADC.

Step 9: Rearranging step 8, we get angle BCD = angle BAD + angle ABC + angle ADC.

Therefore, we have proved that angle BCD is equal to angle BAD plus angle ABC plus angle ADC, as required.

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Given: Quadrilateral \(\displaystyle\sf ABCD\)

To prove: \(\displaystyle\sf \angle BCD = \angle BAD + \angle ABC + \angle ADC\)

Proof:

1. Draw segment \(\displaystyle\sf AC\) and extend it to point \(\displaystyle\sf E\).

2. Consider triangle \(\displaystyle\sf ACD\) and triangle \(\displaystyle\sf BCE\).

3. In triangle \(\displaystyle\sf ACD\):

4. In triangle \(\displaystyle\sf BCE\):

5. Since \(\displaystyle\sf \angle BCE\) and \(\displaystyle\sf \angle BCD\) are corresponding angles formed by transversal \(\displaystyle\sf BE\):

6. Combining the equations from steps 3 and 4:

Therefore, we have proven that in quadrilateral \(\displaystyle\sf ABCD\), \(\displaystyle\sf \angle BCD = \angle BAD + \angle ABC + \angle ADC\).

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♥️ \(\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)

Answer:

uk = 67

europe = 84

USA = 82

Africa = 69

other = 58

Step-by-step explanation:

Answer:

pretty sure its A but im not sure

Step-by-step explanation:

The total height in feet of the  piece of plywood is 14 foot.

The theorem states that the square of the hypotenuse of a right triangle is equal to the sum of the square of the other two sides.

The Pythagoras theorem: a² + b² = c²

where a = length

b = base

c = hypotenuse

13² = 5²  + h²

169 = 25 + h²

h²  = 169 - 25

h²  = 144

h = √144

h = 12 foot

12 + 2 = 14 foot

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Answer:

3/9

Step-by-step explanation:

3/9 = 0.33333333

0.333333

is a reeating decimal

Answer:

that looks tough

Step-by-step explanation:

msybi

Answer:

decimal way 5.5

Step-by-step explanation:

fraction way 5 1/2

We can use Coulomb's law to calculate the magnitude of the electric field at a distance r away from a point charge Q:

E = k * Q / r^2

where k is Coulomb's constant, Q is the charge of the point charge, and r is the distance from the point charge.

In this problem, we have a point charge Q of -10 nC located at (1.2 cm, 0 cm), and we want to find the x-component of the electric field at a distance r = 5.3 cm away at position (-4.1 cm, 0 cm).

To find the x-component of the electric field, we need to use the cosine of the angle between the electric field vector and the x-axis, which is cos(180°) = -1.

So, the x-component of the electric field at position (-4.1 cm, 0 cm) is:

E_x = - E * cos(180°) = - (k * Q / r^2) * (-1)

where k = 9 x 10^9 N*m^2/C^2 is Coulomb's constant.

Substituting the given values, we get:

E_x = - (9 x 10^9 N*m^2/C^2) * (-10 x 10^-9 C) / (0.053 m)^2

E_x ≈ -30,566.04 N/C

Rounding this to two significant figures and including the appropriate units, we get:

The x-component of the electric field is about -3.1 x 10^4 N/C (to the left).

The six main criteria to define normality and abnormality include statistical infrequency, personal distress, others' distress, unexpected behavior, highly consistent/inconsistent behavior, and maladaptiveness/disability.

1. Abnormality as statistical infrequency: This criterion defines abnormality based on behaviors or characteristics that deviate significantly from the statistical norm.

2. Abnormality as personal distress: This criterion focuses on the individual's subjective experience of distress or discomfort. It considers behaviors or experiences that cause significant emotional or psychological distress to the person as abnormal.

For instance, someone experiencing intense anxiety or depression may be considered abnormal based on personal distress.

3. Abnormality as others' distress: This criterion takes into account the impact of behavior on others. It considers behaviors that cause distress, harm, or disruption to others as abnormal.

For example, someone engaging in violent or aggressive behavior that harms others may be considered abnormal based on the distress caused to others.

4. Abnormality as unexpected behavior: This criterion defines abnormality based on behaviors that are considered atypical or unexpected in a given context or situation.

For instance, if someone starts laughing uncontrollably during a sad event, their behavior may be considered abnormal due to its unexpected nature.

5. Abnormality as highly consistent/inconsistent behavior: This criterion involves comparing an individual's behavior to both their own typical behavior and the behavior of others. Consistent or inconsistent patterns of behavior may be considered abnormal.

For example, if a person consistently engages in risky and impulsive behavior, it may be seen as abnormal compared to their own usually cautious behavior or the behavior of others in similar situations.

6. It considers behaviors that are maladaptive, causing difficulties in personal, social, or occupational areas. For instance, someone experiencing severe social anxiety that prevents them from forming relationships or attending school or work may be considered abnormal due to the disability it causes.

The medical model and classification systems used in physical illnesses have both value and limitations when applied to psychological disorders. They provide a structured framework for understanding and diagnosing psychological disorders, allowing for standardized assessment and treatment. However, they can oversimplify the complexity of psychological experiences and may lead to overpathologization or stigmatization.

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