Mathematics High School

Drag each shape to the correct category.
Identify which shapes are similar to shape A and which are not.

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Answer 1

Answer:

Step-by-step explanation:

Related Questions

Which expression is equivalent to 4(6 - 2x) ?

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Answer:

Option A

Step-by-step explanation:

[tex]4(6-2x)\\\rule{150}{0.5}\\\rightarrow ((6 * 4) ( -2x*4)) \leftarrow \text{Distribute the '4' into the content in the parenthesis.}\\\\\\\\\rightarrow 6 * 4 = 24\\\\\rightarrow -2x * 4 = -8x\\\\\\\\\rightarrow 4(6-2x) = \boxed{24 - 8x}[/tex]

Hope this helps.

It took 5 days for a committee of 7 pupils to clean the auditorium for the school program. How many days would have taken the committe of 10 pupils to do the same work?

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Answer:

3.5 days

Step-by-step explanation:

If it takes 7 pupils 5 days, then it would take 1 pupil 7 times as long, or 35 days.

1 pupil alone cleans the auditorium is 35 days.

10 pupils work 10 times faster than 1 pupil, so 10 pupils take 3.5 days.

Which graph is a quadratic graph? A. graph A B. graph B C. graph C D. graph D

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Answer:

graph ab

Step-by-step explanation:

Answer: A. Graph A

Step-by-step explanation:I just did it and got it right...

(Pythagorean theorem) find the missing side length. Round to the nearest hundredth (show steps)

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Answer:

5.39

Step-by-step explanation:

To find the third side (let's call it x) you plug the side lengths given into the Pythagorean theorem to get:

5² + 2² = x²

Which, simplified, is:

25 + 4 = x²

And to get x, you do:

x=√(29)

So, if you want it to the nearest hundredth, it is 5.39.

square root of 29.00

Step-by-step explanation:

5square +2square=29 to the nearest hundredth 29.00 .but there is no square root of 29

Is - 1/2 equivalent to 1/-2

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YES

- 1/2 is equivalent to 1/-2

The detailed answer is in the image attached.

Hope it helps you.....

Please mark as Brainlliest!!!

prove that: (sinθ/1+cosθ) + (1+cosθ/sinθ) = 2cosecθ
[tex] \: prove \: that: \frac{ sinθ}{1+cosθ}+ \frac{1+cosθ}{sinθ} = 2 \: cosec \: θ [/tex]

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Consider LHS

(sinθ/1+cosθ) + (1+cosθ/sinθ) =

= [sinθ(sinθ)+(1+cosθ)+(1+cosθ)]/[(1+cosθ)(sinθ)]

= [sin²θ+(1+cosθ)²]/[(1+cosθ)sinθ]

= [sin²θ+1+cos²θ+2cosθ]/[(1+cosθ)sinθ]

[°.° (a+b)² = a²+2ab+b²]

Here, a = 1, b = cosθ

= [(sin²θ+cos²θ)+1+2cosθ]/[(1+cosθ)sinθ]

= [1+1+2cosθ]/[(1+cosθ)sinθ]

[°.° sin²θ+cos²θ = 1]

= [2+2cosθ]/[1+cosθ)sinθ]

= [2(1+cosθ)]/[(1+cosθ)sinθ]

= 2/(sinθ)

[°.° 2/sinθ = cosecθ]

= 2cosecθ = RHS.

Hence, Proved.

Read more:

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Answer:

try d) 17 m

sorry if it's wrong

Help me with this question please!! Show all work

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The answer is 439.

3+(1/(7+1/15) = 333/106

333+ 106 = 439.

miggy ask to solved the given quadratic equation x²+8x-20=0 using the quadratic formula,Help miggy to determine the following

roots of the quadratic 3
discriminant
nature of roots
sum of the roots
product of the roots

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[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

roots of the quadratic equation ~

[tex]2 \: \: \: \:a nd \: \: - 10[/tex]

discriminant ~

[tex]144[/tex]

nature of roots ~

[tex]real[/tex]

sum of the roots ~

[tex] - 8[/tex]

product of the roots ~

[tex] - 20[/tex]

[tex] \large \boxed{ \mathfrak{Step\:\: By\:\:Step\:\:Explanation}}[/tex]

Let's solve he given quadratic equation using quadratic formula ~

Let's consider the following values ~

b (Coefficient of x) = 8

a (Coefficient of x²) = 1

c (Constant term) = -20

According to quadratic formula, the roots are ~

[tex] \dfrac{ - b \pm \sqrt{b {}^{2} - 4ac } }{2a} [/tex]

where, ( b² - 4ac ) is known as it's discriminant ~

that is equal to ~

[tex](8) {}^{2} - (4 \times 1 \times - 20)[/tex]

[tex]64 - ( - 80)[/tex]

[tex]64 + 80[/tex]

[tex]144[/tex]

Hence, Discriminant = 144

And since discriminant is positive, then the roots of the quadratic polynomial are real .

Let's find the roots now ~

[tex] \dfrac{ - b \pm \sqrt{b {}^{2} - 4ac} }{2a} [/tex]

[tex] \dfrac{ - 8 \pm \sqrt{144} }{2 \times 1}[/tex]

[tex] \dfrac{ - 8 \pm12}{2} [/tex]

[tex] \dfrac{ 2( - 4 \pm6)}{2} [/tex]

[tex] - 4 \pm6[/tex]

So, the two roots are ~

[tex] - 4 + 6[/tex]

[tex]2[/tex]

and

[tex] - 4 - 6[/tex]

[tex] - 10[/tex]

Sum of roots ~

[tex] - 10 + 2[/tex]

[tex] -8[/tex]

product of roots ~

[tex] - 10 \times 2[/tex]

[tex] - 20[/tex]

Yes this can be correct just depends on if you do it

Find the time it takes for a rocket following the path, h(x) = -2x2 + 18, to hit the ground. 2 sec 3 sec 8 sec 9 sec

Answers

The time it takes for a rocket to hit the ground is 3 seconds

Step-by-step explanation:

We are given equation for height as

where

x is the time in seconds

When object hits the ground

then height becomes 0

so, we can set h(x)=0

and then we can solve for x

Subtract both sides by 18

So,

the time it takes for a rocket to hit the ground is 3 seconds

Demonstrate your knowledge by giving clear, concise solutions to each problem. Be sure to include all relevant drawings and justify your answers (show all your work). You may show your solution in more than one way to investigate beyond the requirements of the problem. 1. Some important formulas are given below Area of a circle is A=πR^2 where r is the radius of the circle.
A)Write a formula for the area of the figure below. (5pts)

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Answer:

A = 8a + [tex]\frac{1}{2}[/tex]πa²

Step-by-step explanation:

The figure consists of a rectangle and a semi- circle

area of rectangle = 4 × 2a = 8a

area of semi- circle = [tex]\frac{1}{2}[/tex]πr² ( r is the radius = a )

= [tex]\frac{1}{2}[/tex]πa²

Then area (A ) of figure is

A = 8a + [tex]\frac{1}{2}[/tex]πa² ← factor out [tex]\frac{1}{2}[/tex] a from each term

= [tex]\frac{1}{2}[/tex] a(16 + aπ)

What is the approximate area of a circle with a diameter of 10in

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Answer:

A≈78.54in²

Step-by-step explanation:

Can I have brainliest pls?

the coordinates of the point of intersection of lines px + y = 3 and x + 2y = q are (2, -3). find the value of p and q

Answers

Answer:

p = 3 and q = - 4

Step-by-step explanation:

Substitute the coordinates of the solution (2, - 3 ) into the equations and solve for p and q

px + y = 3 , then

2p - 3 = 3 ( add 3 to both sides )

2p = 6 ( divide both sides by 2 )

p = 3

and

x + 2y = q , then

2 + 2(- 3) = q

2 - 6 = q , so

q = - 4

Find the slope of the line y=-1/4x+1

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Answer:

slope is -1/4 the number before the x is the slope

Step-by-step explanation:

Answer:

The slope is -1/4

Step-by-step explanation:

The equation is written in slope intercept form

y = mx+b where m is the slope and b is the y intercept

y = -1/4x +1

The slope is -1/4 and the y intercept is 1

Solve pls brainliest

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Answer:

$180

Step-by-step explanation:

simple interest means that interest is paid every year on the original $200

To find 3% of 200, you multiply 200(.03) = $80.

$200(3)=$60

Since the interest is the same, 3(60) = $180

Hope this helps

The sum of the ages of a woman and her
son is 64 years. In 4 years time the woman
will be three and half times as old as her
son. How old were they three years ago?

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Step-by-step explanation:

sorry for my ugly handwriting, hope it helps

solve pls brainliest

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Answer:

$18.15

Step-by-step explanation:

45% of $33 = $14.85

$33 - $14.85 = $18.15

Find the slope. simplify if needed.

(-10,5) and (2, -3)

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-2/3 is the slope , hope this helps

what is the hcf of 18 27 and 81 by prime factorization

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Answer:

Step-by-step explanation:

It's been a while since i've dealt with prime factors hopefully this is correct.

plz help look at the pic below

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Answer:

You can use the exponential rule where

[tex](n^x)^y=n^{xy}[/tex]

Therefore,

[tex](a^3)^{-2}=a^{3*(-2)}=a^{-6}[/tex]

[tex]\\ \rm\leadsto (a^3)^{-2}[/tex]

(a^m)^n=a^mn

[tex]\\ \rm\leadsto a^{-6}[/tex]

[tex]\\ \rm\leadsto \dfrac{1}{a^6}[/tex]

25 points! I really need some help.

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Answer:

c ≤ 4 1/3

Step-by-step explanation:

10.25 + 2.25c ≤ 20 solve the equation if there was an = in the equation

10.25 + 2.25c = 20

-10.25 = -10.25

2.25c = 9.75

c = 9.75 ÷2.25

c = 4.3333

[tex]c = 4\frac{1}{3}[/tex]

Now replace the ≤ into the equation:

c ≤ 4 1/3

Find x. please help me!!

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Answer:

I want to say B.

Step-by-step explanation:

HELP PLEASE AHH I WILL GIVE BRAINLIEST

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Answer:

140 Minutes

Step-by-step explanation:

Y = 0.125x ---> Corinne every 1 minute

Y = 3.5 + .1x ----> Aretha

0.125x = 3.5 + .1x

-.1x - .1x

0.025x = 3.5

0.025x/.025 = 3.5/.025

x = 140 minutes

If the area of a rectangle is x^2+5x+6, and x represents 15 cm, what is the perimeter of the rectangle?

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Answer:

To calculate the length and width of a rectangle first, calculate the value of width 'w' by using the area of rectangle formula that is, 'w = A/l'.

Step-by-step explanation:

What is the value of x

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Answer:

Step-by-step explanation:

(3x +3) + (5x-2) + (3x+3) =180

3x +3 + 5x-2 + 3x+3 =180

11x +4=180

11x =180-4

11x=176

x=176/11

x= 16

can someone help me please

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Answer:

3: 55 degrees

4: 128 degrees

Step-by-step explanation:

A straight line is 180 degrees and so you do 180-125 to get 55 degrees

180-58 is 128 degrees

Please help- It's due this week.
100x + 150y = 3,050
x + y = 23
Graph the system of equations and plot the intersection point

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(x,y)= (68.939,-45.939)

Identify the shapes in the picture

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Answer:

we're are the images pls

Are the ratios 2:3 and 8:12 equivalent? Justify you answer.

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Answer:Yes

Step-by-step explanation:You are multiplying the ratios by 4

A toy rocket is launched from the ground, the equation

h= -16t^2+ 80t, models the height of the rocket h in feet at any timet

in seconds.

For which interval of time will the rocket be higher than 64 feet off the

ground?

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Answer:

Step-by-step explanation:

We can graph the function and determine the points where the y value line is greater than 64 feet. We could also solve the equation for h = 64.

Graphing:

A graph is attached. The intersections of the line at height = 64 feet are at (1,64) and (4,64). The first is going up and the second coming down. The period of time the rocket is above 64 feet is from 1 to 4 seconds.

Solving:

h= -16t^2+ 80t

64 = -16t^2+ 80t

-16t^2+ 80t - 64 = 0

Solve using the quadratic formula:

We get two answers: 1 and 4 (seconds)

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describe one way in which consumers depend on producers which molecule is most likely to diffuse through a cell membrane without the use of energy? The inequality 3 < x is equivalent to the inequality x > 3. Trinity already has $135 dollars in her savings account. If she puts $15 per week in her account, write and solve an inequality to find out how many weeks she must save to have at least $480 in her account. dna is cut at __ sequences by restriction enzymes. A number w increased by 6 is at most -30. Help please and super quick The Consumer Price Index (CPI), which measures the cost of a typical package of consumer goods, was 202.2 in 2011 and 244.6 in 2016. Let x = 11 correspond to the year 2011 and estimate the CPI in 2014 and 2015. Assumethat the data can be modeled by a straight line and that the trend continue indefinitely Use two data points to find such a line and then estimate the requested quantities how does hipaa law regulate the management of electronic medical records? Read the excerpt from an interview with Peter Drucker. Giving money is basically passive. In the parable of the good Samaritan, the important thing is that the Samaritan went back the next day, to make sure that the victim was treated well. He wasnt just giving money; he was giving care. Lots of people give money; he gave care, he did something. Social entrepreneurs are not satisfied with just giving money. "A Passion for Performance, Philanthropy Magazine According to the excerpt, which is an example of how a social entrepreneur could gain satisfaction? by spending free time delivering meals to people who are confined to their homes by becoming a paying member of the citys symphony orchestra by donating money when asked by the cashier at a checkout counter by contributing part of a paycheck to an employers campaign for medical research Which of the following best supports the idea that Turner took a positive view of the effects of the frontier on American History?A. The continual recurrence of these areas of paper-money agitation is another evidence that the frontier can be isolated and studied as a factor in American history of the highest importance B. And now, four centuries from the discovery of America, at the end of a hundred years of life under the Constitution, the frontier has gone, and with its going has closed the first period of American HistoryC. He would be a rash prophet who should assert that the expansive character of American life has now entirely ceased D. The result is that to the frontier the American intellect owes its striking characteristic 5/15 = n/9 someone help me (proportions) Help, I'll give Brainliest to the correct answer!! The total student at Shiloh middle school is 1,400 students. If the ratio of boy to girls is 3:4 for the school how many students are boys and how many students are girls I need help with these questions They bought a new car a.theyself b.theyselve c.themselve d.themselfs Solve for X. If there is no solution possible, simply write "NS"12-x+4x=3(2x+8)2 1. What is the specific heat of a substance that requires 270 J of energy to raise the temperature of 4.2 grams by 25C? Do distance and Gravity have a _____ relationship? What is an equation of the line that passes through the point (-1,-6) and is perpendicular to the line x+6y=6

Drag each shape to the correct category. Identify which shapes are similar to shape A and which are not.

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Drag each shape to the correct category.
Identify which shapes are similar to shape A and which are not.