kindly answer it....​

Kindly Answer It....

Answers

Answer 1
120 x 3= 360(km)

20/10=2(seconds)

Answer 2

Answer:

1. 360 km

2. 2 seconds

Step-by-step explanation:

Question 1

Formula

distance = speed × time

Given:

speed = 120 km/htime = 3 hours

⇒ distance = 120 × 3 = 360 km

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

Question 2

Given:

initial velocity (u) = 0 m/sfinal velocity (v) = 20 m/sacceleration (a) = 10 m/s²

To find time (t), use the SUVAT equation:  v = u + at

⇒ 20 = 0 + 10t

⇒ 20 = 10t

⇒ t = 20/10

⇒ t = 2 s


Related Questions

dimentions 1m by 0.6m by 0.3m. density 2.7g/cm3 what is the mass

Answers

Answer:

486kg

Step-by-step explanation:

Need answered please

Answers

Answer:

4,6

Step-by-step explanation:

because the distance 3 so the distance from r to s has to be the same pretty sure

Need help i will give brainlist​

Answers

Answer:

The option u chose is the correct one

Which expression represents the volume, in cubic units, of the frustum? one-thirdπ(7.52)(11) – one-thirdπ(3.52)(8) one-thirdπ(7.52)(11) one-thirdπ(3.52)(8) one-thirdπ(7.52)(19) – one-thirdπ(3.52)(8) one-thirdπ(7.52)(19) one-thirdπ(3.52)(8)

Answers

The expression that represents the volume of the frustum, Volume of larger cone - volume of smaller cone, is: C. ⅓π(7.5²)(19) - ⅓π(3.5²)(8) .

What is the Volume of a Frustum?

Volume of a frustum = Volume of larger cone - volume of smaller cone = ⅓π(R²)(H) - ⅓π(r²)(h)

Given the cone in the digram below with the following parameters:

R = 7.5 units

H = 8 + 11 = 19 units

r = 3.5 units

h = 8 units

Volume of the frustum = ⅓π(7.5²)(19) - ⅓π(3.5²)(8)

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Answer:

C. Edge

Step-by-step explanation:

Please help, I don't understand this at all!!

Answers

I don’t know this at all use something else

Answer:

Step-by-step explanation:

if the middle point of the circle is the letter O

2a.

if the middle point is the letter O

answer: LOM is a central angle

central angle means it comes from the center and each part of it is a radius

central angle is the same degree as the degrees of its arc

so it would also be 84 degrees

2b.

answer: points LM make a minor arc because its less than 180

2c

answer: points LKN make a semi circle

2d

answer: LKNM is a major arc because its more than 180

2e

LKM = 360 - 84 = 276

answer: 276

2f

84*2=168 -> 360-168 = 192 -> 192 divided by 2 is 96

answer: LK is 96

2g

answer: MN is 96

2h

NK is like LM so its 84

answer: 84

2i

LKN is 84+ 96 = 180

answer: 180

2j

360-96 = 264

answer: 264

How would you solve 3 little 6 divided by 3 little -2

Answers

Answer:

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

Step-by-step explanation:

[tex]~~3^6 \div 3^{-2}\\\\\\=\dfrac{3^6}{3^{-2}}\\\\\\=3^{6-(-2)}[/tex]

What is the value of x?


Enter your answer in the box.

x =


The figure shows 2 right triangles, triangle A B C with right angle B and triangle B D C with right angle D. The measure of angle B A C is 45 degrees. The measure of angle D B C is 60 degrees. The length of side C A is 6 square root 2. The length of side B D is x.

Answers

Answer:

x=3

Step-by-step explanation:

I took the test and I got it right but if you want an explanation  see bellow.

so triangle ABC is a 45- 45 -90 and we are given the hypotenuse of [tex]6\sqrt{2}[/tex]

and on a 45-45-90 triangle we know that the hypotenuse is always [tex]s\sqrt{2}[/tex] s  standing for the lengths of both of the legs since they are both equal, so this tells us that line segment AB and BC are equal to 6, SO triangle BCD hypotenuse is equal to 6.Triangle BCD is a 60-90-30 triangle as we can tell by the measures given, and in a 60-90-30 triangle the hypotenuse is equal to S and it's shorter length known as line segment BD on this triangle is equal to [tex]\frac{s}{2}[/tex] and since we know s=6 we can do [tex]\frac{6}{2}[/tex] giving us our answer 3.

Using the sine ratio and the cosine ratio, the value of x in the given triangle is calculated as: x = 6.

How to Find the Value of x?

Using the sine ratio, find BC:

sin ∅ = opposite/hypotenuse

Given the following:

∅ = 45°

hypotenuse = 6√2

opposite = BC

Substitute:

sin 45 = BC/6√2

sin 45 = BC/6√2

√2 = BC/6√2 [sin 45 = √2]

BC = √2 * 6√2

BC = 12 units

Use the cosine ratio to find x:

cos ∅ = adjacent/hypotenuse

Thus, we have:

cos 60 = x/12

1/2 = x/12 [cos 60 = 1/2]

2x = 12

x = 6.

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Now, write 21j+56k in factored form .

Answers

Answer:

7(3j+8k)

Step-by-step explanation:

write the equation polynomial whose graph contains the points (1,0),(-5,0),(-2,0),(-4,30)

Answers

Answer:

y = 3(x - 1)(x + 5)(x + 2)

Step-by-step explanation:

Given points:   (1, 0)   (-5, 0)   (-2, 0)   (-4, 30)

x-intercepts are when y = 0

Therefore, the x-intercepts are x = 1, x = -5 and x = -2

So (x - 1), (x + 5) and (x + 2) are all factors of the polynomial.

Therefore, the equation of the polynomial is:

y = a(x - 1)(x + 5)(x + 2)  where a is a constant to be found

To find the constant a, input the point (-4, 30) into the equation and solve:

⇒ a(-4 - 1)(-4 + 5)(-4 + 2) = 30

⇒ a(-5)(1)(-2) = 30

⇒ 10a = 30

⇒ a = 3

Therefore, the equation of the polynomial is:

y = 3(x - 1)(x + 5)(x + 2)

If the second term of an arithmetic progression is - 4 and the fourth term is 8, find the ninth term.

Answers

Answer:

Step-by-step explanation:

a₄ = a₁ + (4-1)d

4 = -4 + 3d

d = 8/3

a₈ = a₄ + (8-4)d = 4 + 4(8/3) = 14⅔

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Problem
The following shape has 111 pair of parallel sides.

What is the area of the shape?

Answers

Answer:

56

Step-by-step explanation:

First I would get the area of the entire figure as if it were a Rectangle

10x7 = 70 Area if the figure was a rectangle.

We can form a triangle with the cut out space, the height of the triangle is 10-6 which is 4 and has a base of 7.

7x4= 28

28/2 = 14 Area of triangle cutout

Now you subtract the two figures

70-14= 56

56 Is the area

The area of the given shape is 56 square units.

What is an area?

The quantity of space within a two-dimensional figure or form is measured by its area. It is a number that describes the size or extent of a surface, like the surface of a flat plane or the contours of an area on a map.

First I would get the area of the entire figure as if it were a Rectangle

10x7 = 70 Area if the figure was a rectangle.

Form a triangle with the cutout space, the height of the triangle is 10-6 which is 4, and has a base of 7.

7 x 4= 28

28/2 = 14 Area of triangle cutout

Now you subtract the two figures

70-14= 56 Square units

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Paula bicycled for 20 minutes and covered 5 miles. What is her speed in miles per hour?

Answers

In four minutes, Paula covered one mile. Because one hour is equivalent to 60 minutes, we can divide 60 by 4 to get the amount of miles she covered in an hour. 60 / 4 = 15, which means that Paula’s speed is 15mph.

The shortest warmer was blue. The two longest warmers were pink.
How much longer was the combined length of the pink warmers than the length of the blue warmer?

Answers

Answer:

8

Step-by-step explanation:

The shortest leg warmer:

4.5

The longest leg warmers:

6 and 6.5

6 + 6.5 = 12.5

12.5 - 4.5 = 8

T.True F.False While on your Limited Learner Permit (Level 1), you are required to keep a Driving Log and record a minimum of 60 hours of driving time.

Answers

It is true that you are required to keep a Driving Log and record a minimum of 60 hours of driving time, while on level 1

How to determine the truth value?

There are 5 requirements a driver must fulfil before progressing to level 2 of learner permit.

One of these requirements is that the driver must spend at least 60 hours driving.

This means that the minimum driving time is 60 hours

Hence, the statement is true

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find a three-digit number, which is 5 times greater than the product of its digits

Answers

Answer:

175

Step-by-step explanation:

How would one find a three-digit number which is 5 times as large as the product of its digits?

100a + 10b +c = 5abc

This shows that c must be a multiple of 5. Since it is a digit, c=5 ( c=0 does not work ).

Then:

100a + 10b + 5 = 25ab

This again shows that 10b+5 is a multiple of 25.

By testing all the digits, b=2 or b=7.

If b=2, then

100a + 25 = 50a

which has the solution a= -1/2, not a digit.

if b=7

100a +75 = 175a

Now the solution is a=1, so finally the number is 175. Indeed, 175 = 5*1*7*5.

Does that answer your question..?

Please help me with this trigonometry question. Brainliest available.

Answers

Considering the angle a by cosine rule
11^2 =7 ^2 +15^2 - 2(7)(15)cos(a)
When you do the maths,
Cos(a) =153/210 =0.729
a= cos inverse of 0.729
a=43 degrees


Considering angle b
7^2=15^2 +11^2 -2(11)(15) cos(b)
This will result in cos(b) =297/330=0.9
b= cos inverse of 0.9 = 25.8 degrees


Considering angle c
15^2=7^2 +11^2 - 2(11)(7) cos(c)
Cos(c) will be = -55/154 = -0.357
c= cos inverse of -0.357=110.9

Comparing the angles a,b and c,
C is the largest size in the triangle with an angle of 110.9 degrees

Am I right please ??

(LC) The following coordinates of four points are shown: P(4, 5), Q(5, 3), R(6, 1), S(3, 6) Which point is closest to the origin along the y-axis? Question 2 options: P Q R S

Answers

Answer:

S

Step-by-step explanation:

Which is an equation of the line that passes through the points (5,2) and (10,-3)?
A. y = x - 3
B. y = x - 8
C. y = -x + 7
D. y = -x + 12

Answers

Answer:

C

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 )

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (5, 2 ) and (x₂, y₂ ) = (10, - 3 )

m = [tex]\frac{-3-2}{10-5}[/tex] = [tex]\frac{-5}{5}[/tex] = - 1 , then

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (5, 2 ), then

2 = - 5 + c ⇒ c = 2 + 5 = 7

y = - x + 7 ← equation of line

The answer is C

You get this by first finding the slope between the two points
Y2 - Y1
X2 - X1
It gives you 5/-5 which is -1
So you can narrow it down to options C and D

Now you can just substitute into both equations

2 = -(5) + 7
2 = 2

-3 = -(10) + 7
-3 = -3

Since both coordinates work in C then C is the answer

Yo I need to bring up my math grade bad so
simplify combining like terms
-11+2(4x-1)+6
(show step by step0

Answers

-11+2(4x-1)+6

-11+8x-2+6

-13+8x+6

-7+8x

I need help please someone help me :(
Btw the bottom on has the same graph I just need a answer

Answers

Problem 1

There are 23 women that drive out of 12+3+23+8+5+32 = 83 people total

Divide the two values: 23/83 = 0.28 approximately

This says about 28% of the total people are women who drive a car.

Answer:  0.28

===========================================================

Problem 2

The "given" is a very important keyword in probability. In this case, we're given that the employee takes the bus. That means we soly focus on the "bus" column only. Everything else is irrelevant. This is because we know 100% that whoever we selected takes the bus, and we've shrunk down the population just these employees.

We have 8 males who take the bus out of 12+8 = 20 people who take the bus. Therefore, 8/20 = 0.40 represents the relative frequency of males who take the bus out of all bus commuters. In other words, 40% of the bus riders are male.

Answer: 0.40

a rectangle with a length of 28 and perimeter of 64 what is the width and what is the area

Answers

A rectangle has 2 pairs of equal sides.
(28)(2)+ (2x) = 64
56 + 2x = 64
2x = 64 - 56
2x = 8
x = 4 [width]

Area = (lenght)(width) = (28)(4) = 112

What is the center and radius of the circle described by the equation (x + 4)² + (y - 6)² = 25?
A. (4, -6); r = 25
B. (4, -6); r = 5
C. (-4, 6); r = 25
D. (-4, 6); r = 5

Answers

Answer:

A.

Step-by-step explanation:

How does g(t)=20.9t change over the interval from t=2 to t=3?

Answers

[tex]slope = m = \cfrac{rise}{run} \implies \cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby \begin{array}{llll} average~rate\\ of~change \end{array}\\\\[-0.35em] \rule{34em}{0.25pt}\\\\ g(t)= 20.9t\qquad \begin{cases} t_1=2\\ t_2=3 \end{cases}\implies \cfrac{g(3)-g(2)}{3-2}\implies \cfrac{20.9(3)~~ - ~~20.9(2)}{1} \\\\\\ 62.7~~ - ~~41.8\implies 20.9[/tex]

.
Find the equation of the line that goes through the point (-2, -2) and has a slope of -4.
y = -2x - 4
y = -4x - 2
y = -2x - 2
y = -4x - 10

Answers

Answer:

D

Step-by-step explanation:

the equation is y = -2x - 4
its this because if you graph it in the calculator you can see the points it goes through and you can tell the slope is -4 because its in slope y intercept format:)

Maria bought 3 books for a total of $26. 25. How much did each book cost?

Answers

Answer:

Step-by-step explanation:

To find the unit rate , divide the total cost by number of books

Cost of 1 book = 26.25 ÷  3

                        = $ 8.75

Question -:

Maria bought 3 books for a total of $26. 25. How much did each book cost ?

Explanation -:

In this question it is given that Maria bought 3 books and the cost of 3 books is $26.25. We are asked to calculate the cost of 1 book.

We can find the cost of 1 book by dividing the total cost by number of books.

Cost of 1 book = $26.25 ÷ 3 = [tex]\dfrac{26.25}{3}[/tex] = 8.75

Verifying -:

Cost of 1 book = $8.75

Cost of 3 books = 8.75 × 3 = $26.25

Hence, proved

If the radius of the planet is given by R, and the height above the surface is given by h, use the figure below, and the Pythagorean Theorem to derive the formula for the distance, d, to the horizon tangent point, assuming that the triangle is a right triangle.

Please answer the second one too

Answers

Applying the pythagroean theorem, the formula to find the horizontal distance, d, is: [tex]\mathbf{d = \sqrt{h^2 - R^2} }[/tex]

What is the Pythagorean Theorem?

The pyhagroean theorem is given as, c² = a² + b², where h is the longest side of the right triangle.

Given  the following:

c = ha = db = R

The formula derived would be:

h² = d² + R²

Make d the subject fo the formula

[tex]\mathbf{d = \sqrt{h^2 - R^2} }[/tex]

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Let R be the region enclosed by f(x) = x² + 4, g(x) = (x - 5)² and the axes x = 0 and y = 0. Compute the volume V
obtained by rotating R about the x-axis.
Hint: Express V as a sum of two integrals.

Answers

Answer:

v=0g

That's what i got

good luck

WILL GIVE BRANLIEST
Which number is irrational? Question 2 options:
A fraction
A terminating decimal
The square root of an imperfect square
Zero

Answers

Answer:

The square root of an imperfect square

Step-by-step explanation:

in the expression: -3x^4+5x³-2x²-8x-2
what is the coefficient of the 1st term​

Answers

Answer:

-3.

Step-by-step explanation:

The first term  is -3x^4

and irs coefficient is -3.

5(y+2)= -3

Whats the answer TvT

Answers

Answer:

The answer is given below

Step-by-step explanation:

[tex](5y + 10) = - 3[/tex]

[tex]5y = - 3 - 10[/tex]

[tex]5y = - 13[/tex]

[tex]y = - 13 \div 5[/tex]

This is the velue of y

PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT PLEASE

Answer:

5(y+2)= -3

distribute

5y+10=-3

-10

5y=-13

divide by 5

y=-13/5

Hope This Helps!!!

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