PLISSSSS HELPPPPP MEE​

PLISSSSS HELPPPPP MEE

Answers

Answer 1

Answer:

D

Step-by-step explanation:

Let's look at each option:

A. Distance =600 ✓

This is because the graph is a distance- time graph. To find the distance between her house and the post office, look at the y value of the point at the end of her journey. In this case, at t=24 mins, the y -value is 600 and thus the statement is correct.

B. ✓ correct

First 9 mins is from t=0 to t=9. Speed can be found by taking the gradient of the line of a distance- time graph.

Gradient can be found by taking rise/ run, which is also the difference in the y- coordinates divided by the difference in the x -coordinates.

[tex]\boxed{ gradient = \frac{y1 - y2}{x1 - x2} }[/tex]

[tex]gradient \\ = \frac{315}{9} \\ = 35[/tex]

Thus, the speed in the first 9 minutes is indeed 35m/min.

C. ✓correct

Since distance remained at 315m from t=9 to t=13mins, she stopped for that period of time.

Time stopped

= 13 -9

= 4 minutes

D. Incorrect

Average speed= total distance/ total time

Total distance= 600m

Total time= 24 mins

Thus, average speed

= 600 ÷24

= 25m/min


Related Questions

Please solve 2x+7/3=9

Answers

i believe the answer is 17

How many times does a dragonfly flaps it's wing in 1000 seconds

Answers

Answer:4000

Step-by-step explanation:

Answer:

30,000

Step-by-step explanation:

they flap their wings 30 times per second.

30 times 1,000=30,000

Solve for x
2x + 11
70°
75°

Answers

Answer:

6

Step-by-step explanation:

Some friends find a sheet of stickers with 9 gold stars on it. After talking it over, the 3 friends share them fairly.

Answers

they each will get 3 stars, because 9 divided by 3 equals 3!

Answer:

each friend gets 3 stickers

Step-by-step explanation:

9÷3=3

Which is NOT an example of the three trigonometric reciprocals of sine, cosine and tangent?
A. Cosecant
B. secant
C. theorem
D. cotangent

Answers

C
It’s not even related to the trigonometric reciprocals

The trigonometric function gives the ratio of different sides of a triangle. The option that is not an example of trigonometric reciprocals of sine, cosine, and tangent is theorem.

What are trigonometric functions?

The trigonometric function gives the ratio of different sides of a right-angle triangle.

[tex]\rm Sin \theta=\dfrac{Perpendicular}{Hypotenuse}\\\\\\Cos \theta=\dfrac{Base}{Hypotenuse}\\\\\\Tan \theta=\dfrac{Perpendicular}{Base}\\\\\\Cosec \theta=\dfrac{Hypotenuse}{Perpendicular}\\\\\\Sec \theta=\dfrac{Hypotenuse}{Base}\\\\\\Cot \theta=\dfrac{Base}{Perpendicular}\\\\\\[/tex]

where perpendicular is the side of the triangle which is opposite to the angle, and the hypotenuse is the longest side of the triangle which is opposite the 90° angle.

The trigonometric reciprocal of sine, cosine, and tangent are cosecant, secant, and cotangent, respectively. Therefore, the option that is not an example of trigonometric reciprocals of sine, cosine, and tangent is theorem.

Learn more about Trigonometric functions:

https://brainly.com/question/6904750

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Human skin has a thickness of about 5 * 10-3 meter. A
grain of sand has a thickness of about 1* 10-3 meter.
About how many grains of sand would it take to match the thickness
of human skin?
Grains of Sand
Human Skin
(1 x 10)
(5 x 10-)

Answers

Answer:

human skin is thicker than sand , hope this helps

It will take 5 grains of sand to match the thickness of a human's skin.

What is comparison?

Comparing numbers in maths defined as a process or method in which one can determine whether a number is smaller, greater, or equal to another number according to their values.

Given that, Human skin has a thickness of about 5×10⁻³ meter. A grain of sand has a thickness of about 1×10⁻³ meter.

As we can see the that the measurement of sand grain is greater than that of human skin's measurement, the skin is about  5×10⁻³ meter and sand grain is about 1×10⁻³ meter.

We can say,

5×10⁻³ > 1×10⁻³

The human skin's thickness is 5 times greater than the thickness of a sand grain.

Hence, we have to multiply by 5 to measure of the thickness of a sand grain to make it equal to human skin's measurement,

Hence, It will take 5 grains of sand to match the thickness of a human's skin.

For more references on comparison, click;

https://brainly.com/question/25799464

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please answer this for me

Answers

Answer:

x=409

Step-by-step explanation:

you just solve, -15+5x=2030

add 15 both sides->5x=2030

divide by 5 both sides-> x=409

Answer:

409

Step-by-step explanation:

Mark as Brainliest!!! Hopes This Helps:)

hii i have some triangle math problems i need some help with

Answers

Answer:

m<A=76

m<BCD=105

Step-by-step explanation:

in a triangle, all of the angles add up to 180. so m<a=76 degrees

BCA and BCD are supplementary angles which means they add up to 180, so m<BCD=105 degrees

Isla buys 5 books for $22. Jo buys 3 books for $13. Which one
got the better deal?

Answers

Answer:

 well right now i have a calculator and i divide 22 by 5 and got 4.4 for each book and i divide 13 by 3 and i got 4.3 so jo got a better deal

Step-by-step explanation:

I just need a quick answer for this homework.

Answers

Answer:

D. clothes last longer

Step-by-step explanation:

D is a result of the statement. Therefore, it is the hypothesis.

I hope this helps!


Solve the following
equation:
-(x – 8) = 14

A.) x=6
B.)x=-6
C.)no solution
D.)infinite solutions

Answers

Answer:

-6

Step-by-step explanation:

-(x -8)= 14

Expand the bracket as follows:

-x +8 =14

Collect like terms

-x = 14 -8

= 6

Divide both sides by -1

x= -6

Answer:

B. x=-6

Step-by-step explanation:

-x+8=14

-x+8=14-8

-x=6

x=-6

Simplify with an explanation 1/x^-1

Answers

Answer:

The answer is = X

Explanation:

If the negative exponent is in the denominator, move the expression to the numerator and make the exponent positive.

What is the value of this expression -51/4 - ( - 1 1/2 +3 3/4) ?

Answers

Answer:

-15

Step-by-step explanation:

just used a calculator

Answer:

After you enter the expression, Algebra Calculator will print a step-by-step ... Here are some examples: y=2x^2+1, y=3x-1, x=5, x=y^2. To graph a point, enter an ordered pair with the x-coordinate and y-coordinate separated by a comma, e.g., (3,4

Step-by-step explanation:

agen simple math for a middle school student

One endpoint of a line segment has coordinates represented by (x+6, 1/3y). The midpoint of the line segment is (2,−5). How are the coordinates of the other endpoint expressed in terms of x and y?

Answers

Answer:

The coordinates of the other endpoint are [tex]B(x,y) = \left(-x-2, -10-\frac{1}{3}\cdot y\right)[/tex].

Step-by-step explanation:

Let [tex]AB[/tex] a line segment in which [tex]M[/tex] is the midpoint. If both [tex]A[/tex] and [tex]M[/tex] are given, then we determine the location of [tex]B[/tex] from definition of midpoint. That is:

[tex]\frac{1}{2}\cdot \vec A + \frac{1}{2}\cdot \vec B = \vec M[/tex] (Eq. 1)

Where:

[tex]\vec A[/tex], [tex]\vec B[/tex] - Endpoints with respect to origin, dimensionless.

[tex]\vec M[/tex] - Midpoint with respect to origin, dimensionless.

[tex]\vec A + \vec B = 2\cdot \vec M[/tex]

[tex]\vec B = 2\cdot \vec M - \vec A[/tex]

If we know that [tex]A(x, y) = \left(x+6,\frac{1}{3}\cdot y \right)[/tex] and [tex]M(x, y) = (2,-5)[/tex], then the coordinates of [tex]\vec B[/tex] are:

[tex]\vec B = 2\cdot (2,-5)-\left(x+6,\frac{1}{3}\cdot y \right)[/tex]

[tex]\vec B = (4,-10)-\left(x+6,\frac{1}{3}\cdot y \right)[/tex]

[tex]\vec B = \left(-x-2, -10-\frac{1}{3}\cdot y\right)[/tex]

The coordinates of the other endpoint are [tex]B(x,y) = \left(-x-2, -10-\frac{1}{3}\cdot y\right)[/tex].

Answer:

(−2−x,−10−1/3y)

Step-by-step explanation:

-6n - 20 = -2n + 4(1 - 3n)

Answers

The answer is n=3 :)

Answer my question and I will give brainliest!

(1.34 - 5/8 - 0.75 + 4/9) then divide it by 4


Hurry!!

Answers

Answer:

0.40944444444

Step-by-step explanation:

Given the equation 3x – 4y = 24. 3 parts

a) Find two solutions to the equation. Show your work. Write your answer as coordinates.

b) Using your answers from part a, what is the slope of the given equation. Show your work.

c) Convert the given equation into slope-intercept form. Show your work.

Answers

Answer:

a. (0,-6) and (8,0)

b. [tex]m = 3/4[/tex]

c. [tex]y = 3x/4 - 6[/tex]

Step-by-step explanation:

Given

[tex]3x - 4y = 24[/tex]

Solving (a): Two solutions

To determine the solutions of the equation, we assume values for x and y.

First: Let, x = 0

Substitute 0 for x in the equation

[tex]3x - 4y = 24[/tex]

[tex]3(0) - 4y = 24[/tex]

[tex]- 4y = 24[/tex]

Divide  both sides by -4

[tex]y = 24/-4[/tex]

[tex]y = -6[/tex]

So, one solution is (0,-6)

To determine another solution, we assume that y = 0

Substitute 0 for y in the equation

[tex]3x - 4y = 24[/tex]

[tex]3x -4(0) = 24[/tex]

[tex]3x = 24[/tex]

Divide both sides by 3

[tex]x = 24/3[/tex]

[tex]x = 8[/tex]

So, another solution is (8,0)

Solving (b): The slope of the equation

We have to get the equation in the form: [tex]y = mx + b[/tex]

Where

[tex]m = slope[/tex]

[tex]3x - 4y = 24[/tex]

Subtract 3x from both sides

[tex]3x - 3x - 4y = 24 - 3x[/tex]

[tex]- 4y = 24 - 3x[/tex]

Divide both sides by -4

[tex]y = 24/-4 - 3x/-4[/tex]

[tex]y = -6 + 3x/4[/tex]

[tex]y = 3x/4 - 6[/tex]

By comparison,

[tex]m = 3/4[/tex]

Hence:

[tex]Slope = 3/4[/tex]

Solving (c): Slope intercept form

This has been solved in (b) above

[tex]y = 3x/4 - 6[/tex]

Help, right answers only! picture below

Answers

Answer:

Bisect a segment???

Step-by-step explanation:

Find the volume of the cylinder. Round your answer to the nearest tenth.

Answers

Answer:

v=  π r2 h

Step-by-step explanation: the answer for ur question :)

It's time to verify that a translation is a rigid transformation. Begin with the angle measurements. Measure the angle of polygon ABCD and the angles of the reflected image. Record the measure of each angle to the nearest degree

Answers

Answer:

abc 90 efg 90 ijk 90

bcd 63 fgh 63 jkl 63

cda 153 ghe 153 kli 153

dab 53 hef 53 lij 53

Step-by-step explanation:

i got this wrong to answer this

Answer:

90, 90

45,45

135,135

90,90

Step-by-step explanation:

plato sample

What is the sum? (2x − 6) +4(x − 3)

Answers

Answer:

(2x - 6) + 4(x - 3) = 6x - 18

Step-by-step explanation:

(2x - 6) + 4(x - 3)         use the distributive property a(b + c) = ab + ac

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

= 2x - 6 + 4x - 12        combine like terms

= (2x + 4x) + (-6 - 12)

= 6x - 18

which is the function represented by the table?

Answers

Answer:

fx= x+5

Step-by-step explanation:

x - y = -11/3
What is the slope?

Answers

Answer:

m=1

Hope this will help.

The slope for this equation is 1

At a charity bike rally, 2/3 of the student population of Heartsworth Middle School participated. If there are 1,200 students at Heartsworth, how many participated? Write in simplest form

Answers

Answer:

800 students

Step-by-step explanation:

1200/3=400

400×2=800

Nila is creating gift baskets with scented soaps and bottles of bubble bath. She has 9 scented soaps and 18 bottles of bubble bath. If each gift basket must have scented soaps and a bottle of bubble bath, what is the greatest number of gift baskets Nila can make?

PART A

Is this a GCF or LCM problem?

Answers

Answer:

9 gift baskets 9 gift basket 9 soaps and 2 bubble baths each.

write an expression for the nth term of the sequence, -4, -1, 4, 11..

Answers

Answer:

Since it starts at -4 and is then adding 3, then 5, then 7, you can use an expression of:

-1 + ( 1 + 2n )

Where "n" represents which term you are on.

A reporter determines a baseball​ player's batting​ average, which is a ratio of number of hits to number of times at bat. The result is shown on a calculator as 0.2121

Answers

Complete question :

A reporter determines a baseball player's batting average, which is a ratio of number of hits to the number of times at bats. The result shown on a calculator as 0.2121....

How many hits would the player be expected to get in 200 at bats? Explain

Answer:

42

Step-by-step explanation:

Given that:

Batting average = number of hits / number of time at bats

Batting average obtained = 0.2121...

If at bats of the player = 200

Hence, number of hits ;

Batting average = number of hits / number of time at bats

0.2121 = number of hits / 200

Number of hits = 0.2121 * 200

Number of hits = 42.42..

= 42 ( approx)

6th grade math yo halp me

Answers

Answer:

9.018

Step-by-step explanation:

Answer: 9.018

Step-by-step explanation:

do 4.5 times 2 which is 9, then 0.4x0.4+0.2 which gives u 9.018.

Hope this help :)

How to solve x^4 -10x^2 +9

Answers

Answer:

(x² - 9)(x² - 1)

Step-by-step explanation:

Using Quadratic trinomials

Factor x⁴ - 10x² + 9

Step 1: Find the two integers whose product of 9 and whose sum of -10

Product

-9 × -1 = 9

Sum

-9 + -1 = -10

Step 2: Use -1 and -9 to complete the factors

x⁴ - 10x² + 9 = (x² - 9)(x² - 1)

Step 3: Use the foil method to check the factors

(x² - 9)(x² - 1) = x⁴ - 1x² - 9x² + 9 = x⁴ - 10x² + 9

Which number anyone know?

Answers

Answer:

i think its 20 students

Step-by-step explanation:

because 4x5=20

D)2o the reason why it’s 20 is because for 1 tables can take 5 students so for it 4 it will 4times the number of the students
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