HELP WILL MARK BRAINLIEST!
Find the area. Simplify your answer.

Answer:

(5 - (-1)) or 6

Step-by-step explanation:

Substitute the variables

= (x - y)

=(5 - (-1))

= 6

Hope this was simple enough for you to understand!

Answer:

x= 19

Step-by-step explanation:

We know this a 90 degree angle and we already have 59 degree as on part of the angle so the equation to set this up is (x+12) + 59= 90

12+59= 71

x+71=90 subtract 71 and whatever you do to one side do to the other.

90-71= 19

x=19

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Question :-

Answer :-

\( \rule{180pt}{3pt}\)

Diagram :-

\(\setlength{\unitlength}{1mm}\begin{picture}(5,5)\thicklines\multiput(-0.5,-1)(26,0){2}{\line(0,1){40}}\multiput(12.5,-1)(0,3.2){13}{\line(0,1){1.6}}\multiput(12.5,-1)(0,40){2}{\multiput(0,0)(2,0){7}{\line(1,0){1}}}\multiput(0,0)(0,40){2}{\qbezier(1,0)(12,3)(24,0)\qbezier(1,0)(-2,-1)(1,-2)\qbezier(24,0)(27,-1)(24,-2)\qbezier(1,-2)(12,-5)(24,-2)}\multiput(18,2)(0,32){2}{\sf{6 \: in}}\put(9,17.5){\sf{10 \: in}}\end{picture}\)

Solution :-

As per the provided information in the given question, we have been given that the radius of the cylinder is 6 in. The height of the cylinder is 10 in. We have been asked to find or calculate the surface area of the cylinder.

To calculate the surface area of the cylinder, we will use the formula below :-

\(\bigstar \:\:\:\boxed{\sf{\:\:Surface \: Area_{(Cylinder)} = 2\pi r^2 + 2\pi rh \:\:}}\)

Substitute the given values into the above formula and solve for surface area:

\(\sf:\implies Surface \: Area_{(Cylinder)} = 2\pi r^2 + 2\pi rh\)

\(\sf:\implies Surface \: Area_{(Cylinder)} = (2)(3.14)(6 \: in)^2 + (2)(3.14)(6 \: in)(10\:in) \)

\(\sf:\implies Surface \: Area_{(Cylinder)} = (2)(3.14)(36 \: in^2) + (2)(3.14)(60\:in^2) \)

\(\sf:\implies Surface \: Area_{(Cylinder)} = (2)(113.04 \: in^2) + (2)(188.4 \: in^2) \)

\(\sf:\implies Surface \: Area_{(Cylinder)} = 226.08 \: in^2 + 376.8 \: in^2 \)

\(\sf:\implies \bf{Surface \: Area_{(Cylinder)} = 602.88 \: in^2}\)

Therefore :-

\(\\\)

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Have a great day! <33

Answer:

Step-by-step explanation:

The relationship between  driving hours (h) and miles driven (m) is expressed as:

speed = distance/time

Given

Distance = 208miles

Time = 4hours

Substitute to get the speed first

Speed = 208/4

Speed = 52mi/hr

From the formula

S = d/t

Substitute the speed gotten

52 = d/t

d = 52t

Hence the  equation that shows the relationship between  driving hours (h) and miles driven (m) is d = 52t where d is measures in miles and t in hr

Answer:The answer is 600.

Step-by-step explanation:

Answer:

Below

Step-by-step explanation:

"Lynn is making a snack. The recipes call for 3/8 cup of water for oats and 1/4 cup"

(I changed the numbers to fractions ....)

she needs   3/8 + 1/4 cup ....add them together by finding a common denominator

1/4 = 2/8    

then   3/8 + 2/8 = (3+2)/8 = 5/8 cup

  if she has one cup of water she has enough....she only needs 5/8 cup

Answer:

\( \frac{17}{8} + \frac{5}{3} = \frac{51 + 40}{24} = \frac{91}{24} \)

hope it can help u~~

The area of the shaded region is 3915 units².

We have,

Area of the sector.

= 13.08 units²

Now,

To find the area of an isosceles triangle with side lengths 5, 5, and 4 units, we can use Heron's formula.

Area = √[s(s - a)(s - b)(s - c)]

where s is the semi-perimeter of the triangle, calculated as:

s = (a + b + c) / 2

In this case,

The side lengths are a = 5, b = 5, and c = 4. Let's calculate the area step by step:

Calculate the semi-perimeter:

s = (5 + 5 + 4) / 2 = 14 / 2 = 7 units

Use Heron's formula to find the area:

Area = √[7(7 - 5)(7 - 5)(7 - 4)]

= √[7(2)(2)(3)]

= √[84]

≈ 9.165 units (rounded to three decimal places)

Now,

Area of the shaded region.

= Area of the sector - Area of the isosceles triangle

= 13.08 - 9.165

= 3.915 units²

Thus,

The area of the shaded region is 3915 units².

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Answer: x=16

Step-by-step explanation: 18=2x-14

32=2x

x= 16

Answer:

An acute angle

Step-by-step explanation:

An acute angle is smaller than an obtuse ad right angle.

hope this helps and hope it was right 'cause I really don't know what you meant. :)

Option C ‌‌‍‌‍‍‍‍‍‍‌‍‍‍‍

On solving the provided question we can say that - correlation coefficient of the question is r = \(\frac{S_{xy} }{\sqrt{S_{xx} S_{yy} } }\) =  -0.91

The Pearson's correlation coefficient, also known as the Pearson's r, Pearson's product-moment correlation coefficient, bivariate correlation, or simply correlation coefficient, is a statistical indicator of the linear relationship between two sets of data.

\(S_{xx} =\)∑\(x^2\) - (∑x\()^2\) /n = 19300- ((420)^2 /10)= 1660

\(S_{yy} =\) ∑\(y^2\) (∑y\()^2\)/n = 7454- ((270)^2 /10) = 164

\(S_{xy} =\)∑\((xy)^2\)/n -475

The correlation coefficient is:

r = \(\frac{S_{xy} }{\sqrt{S_{xx} S_{yy} } }\) =  -0.91

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The maximum volume of the right circular cylinder is 4915 cm³ [ in whole number].

What is right circular cylinder?

It is a specific type of cylinder  whose bases are circular in shape and parallel to each other is called the right circular cylinder. It is a three-dimensional shape.

Given that the radius of  a right circular cylinder is x cm.

The height of the cylinder is ( 800/πx -x) cm

Here x is the variable.

The volume of the cylinder is denoted by V.

The formula for the volume of the cylinder is π× (radius)²× height

so the volume here is π×x²×(800/πx -x)

So V = π×x²×(800/πx -x) = π( 800x/π - x³)

we need to find dv/dx and d²v/dx²

dv/dx = d/dx { π( 800x/π - x³) }

          = π d/dx(800x/π - x³) [ since π is constant]

          = π (800/π - 3x²)

Now taking dv/dx= 0 we get,

π (800/π - 3x²)=0

⇒ (800/π - 3x²)=0

⇒  800/π = 3x²

⇒ x² = 800/ 3π

⇒ x= √(800/3π)

Now d²v/dx² = d/dx( π (800/π - 3x²))

                     = - 3πx²

putting the value of x in d²v/dx² we get the negative value.

that is d²v/dx² <0 at x= √(800/3π)

so for x= √(800/3π) the volume will be maximum.

Then the maximum volume of the cylinder is

π × x²×(800/πx -x)-----------(1) at x= √(800/3π)

Hence by putting the value of x at equation (1) we get,

v= 4915 cm³ [ in whole number]

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The cost of the item has decreased by 30%.

A value or ratio that may be stated as a fraction of 100 is referred to as a percentage in mathematics. If we need to compute a percentage of a number, we should divide it by its whole and then multiply it by 100. The proportion, therefore, refers to a component per hundred. Per 100 is what the term percent signifies. The letter "%" stands for it.

Given, Today, the cost of the item was reduced to $98. That cost $140 the day prior.

Percentage decrease = [(original price - new price) / original price] x 100%

Using this formula, we can calculate the percentage decrease in the cost of the item as follows:

Percentage decrease = [(140 - 98) / 140] x 100%

Percentage decrease = (42 / 140) x 100%

Percentage decrease = 0.3 x 100%

Percentage decrease = 30%

Therefore, the cost of the item has decreased by 30%.

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Complete question:

The price of an item had dropped to $98 today. Yesterday it was $140. find the percentage decrease.

Answer: -4x² - 24x

Step-by-step explanation:

First, simplify and combine terms.

x(x-5x - 24)

x(-4x - 24)

Then, Distribute.

x(-4x - 24)

-4x² - 24

Hi :)

Let's remember some arithmetic w/ negative integers :

a+(-b)=a-b

a-(-b)=a-b

Now

8-(-9)=8+9=17

So the answer's 17

I hope this helps

45.455% is  the percentage of distance travelled by her in the train .

In math, what is a distance?

The length of the line segment connecting the two sites is used to measure distance between them.

                               The shortest segment of a line connecting a point to a line will have a length equal to the distance between them.

Distance travelled by bus = 3 miles

Distance travelled by train  = 5 miles

Distance travelled by car = 3 miles

Total distance travelled = 3 + 5 + 3 = 11 miles

the percentage of distance travelled by her in the train = 5/11  * 100

                                             = 45.455%

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The answer is 30

Sorry I know im late.

The number of times a pink marble can be chosen out of 100 draws is 30.

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

We have,

The probability of drawing a pink marble from a bag containing these marbles is 3/10.

This means,

There are 3 pink marbles out of 10 marbles.

Now,

Total marbles = 100.

The total number of pink marbles.

= 3/10 x 100

= 30

Thus,

30 times a pink marble can be chosen.

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Answer:

y = 8x + 38

Step-by-step explanation:

parallel to y=8x -3, that means the slope(m) = 8

points : -4 , 6

now put them in the formula y = mx + b

6 = 8(-4) + b

6 = -32 + b

6 + 32 = b

b = 38

y = 8x + 38

Answer: The best problem solving strategy to solve this problem with is a formula. Additionally Brandon had $12.50 before going to the store.

Step-by-step explanation: Formula and Solving it

He Spent $2.50 on pencils.

Amount left after buying a pencil = x - 2.50

Next, he spent half of the amount left in his pocket.

He spent (x - 2.50)/2 on notebook and paper.

So the total amount he spent = 2.50 + (x -2.50)/2

Amount left when he got home =$ 5.00

That means, x - Total amount spent = 5

=> x - (2.50 + (x -2.50)/2 ) = 5

=> x - 2.50 -x/2 + 2.50/2 = 5

=> x/2 - 2.50/2 = 5

=> x/2 = 5 + 2.50/2

=> x/2 = 6.25

=>x = $12.5

The function notation of 9x + 3y = 12 is given as follows:

f(x) = 4 - 3x.

The function in the context of this problem is given as follows:

9x + 3y = 12.

The format for the function notation is given as follows:

Hence we must isolate the variable y, as follows:

3y = 12 - 9x

y = 4 - 3x (each term of the expression is divided by 3).

f(x) = 4 - 3x.

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Answer:

Negative 5

Step-by-step explanation:

\(10x+5-5=9x-5\)

\(10x+5-5\\= 10x+\left(5-5\right)\\= 5-5\\=0\\=10x+0\\=10x\)

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

\(9x-5\\= 9x-5\)

→ \(10x=9x-5\)

\(10x-9x=9x-5-9x\)

\(10x - 9x\\= 1x\\= 1 \times x\\= 1\)

\(9x-5-9x\\=9x\left(-5\right)-9x\\= 9x - 9x\\= 0 - \left(-5\right)\\= -5\\x = -5\)

Hope this helps!

Answer:

y=25x

Step-by-step explanation:

It is a linear equation with a slope of 25

Answer:

-5+6a-8-3a

=6a-3a-5-8

=3a-13

Answer: The two lines intersect at (-4,3)

Step-by-step explanation:

So our first step would be to turn both of these into standard slope-intercept form.

1.)

4y + 3x = 0

4y = -3x

y = -3/4x

2.)

4y - x = 16

4y = x + 16

y = 1/4x + 4

Now that we have our 2 equations, y = -3/4x and y = 1/4x + 4 we can graph them to get an intersection at (-4,3)

Answer:

\(\bold{2\frac{4}{5}}\) or 2.8

Step-by-step explanation:

Scale factor is the original value multiplied by a number. So if we are looking for the scale factor, and it is multiplication, we should do the opposite action. The inverse operation for multiplication is division.

Step 1: Divide 7 by 2.5

\(\frac{7}{2.8}\)

\(7\div2.5=\bold{2.8}\)

Now, we can also confirm if this is correct. Simply multiply the answer to the original image.

\(2.8\times2.5=7\)

Therefore, the scale factor is 2.8, or  \(\bold{2\frac{4}{5}}\) in fraction form.

Answer:

= 2 7 /2 8

Step-by-step explanation:

Answer:

x = 1 1/8

Step-by-step explanation:

2x - 1/4 + x/3 = 2

2x + x/3 = 2 1/4 (added 1/4 to both sides)

6x = 6.75 (multiplied both sides by 3)

x = 1 1/8, or 1.125

:-)