PLEASE HELP WHOEVER HELPS WILL GET A COOKIE

PLEASE HELP WHOEVER HELPS WILL GET A COOKIE

Answers

Answer 1

A: The plane is going 525 miles per hour.

B: In 13 hours the plane will travel 6,825 miles.

Answer 2

Answer:

(a)  [tex]\sf 450 \ miles \ per \ hour[/tex]

(b) 675 miles in [tex]\sf 1\frac{1}{2} \ hours[/tex]

explanation:

(a)

given time: [tex]\sf 4\frac{2}{3}[/tex]distance: 2,100

unit rate:

[tex]\sf \dfrac{total \ distance}{total \ time}[/tex]

[tex]\sf \dfrac{2100}{\sf 4\frac{2}{3}}[/tex]

[tex]\sf \dfrac{2100}{\sf \dfrac{14}{3}}[/tex]

[tex]\sf 450 \ miles \ per \ hour[/tex]

(b)

distance: speed * time

distance: [tex]\sf 450 \\[/tex] * [tex]\sf 1\frac{1}{2}[/tex]

distance: 675 miles


Related Questions

Please can you help...
x/6 = -2
what is x

Answers

Answer:

x = -12

Step-by-step explanation:

[tex]\frac{x}{6}=-2[/tex]

[tex]\mathrm{Multiply\:both\:sides\:by\:}6[/tex]

[tex]\frac{6x}{6}=6\left(-2\right)[/tex]

[tex]\mathrm{Simplify}[/tex]

[tex]x=-12[/tex]

~Learn with Lenvy~

Answer:

[tex]\rm\hookrightarrow[/tex] x = -12

Step-by-step explanation:

[tex]Solution,\\\\\rm\hookrightarrow \frac{x}{6} =-2\\\\\rm\hookrightarrow x=-2\times6\\\\\rm\hookrightarrow x=-12[/tex]

35 POINTS! Identify JS rounded to the nearest tenth.
please help I will give brainliest fr!

Answers

Answer:

JS is about 69.4

Step-by-step explanation:

Notice that the given side length JW = 67 is opposite to the given angle S = 44º. JS is adjacent to angle S, so we use the tangent function to solve for JS:

[tex]\tan 44^{\circ} = \frac{JW}{JS}\\\\\tan 44^{\circ} = \frac{67}{JS}\\\\JS = \frac{67}{\tan 44^{\circ}}\\\\JS = 69.3805[/tex]

Round JS to the nearest tenth, 69.4.

Answer:

JS is approx. 69.4

Step-by-step explanation:

This triangle is close to a 45-45-90 triangle. So you then know the answer should be close to 67 because the other side is the same. This leaves us with JS=64.7 and JS=69.4. Another rule says that the side with the smaller angle is greater. 69.4 is greater.

Factorise using suitable identity
1.a²+8a+16

Answers

i believe it’s (a+4) (a+4)

the area of a square is equal to the area of a rectangle of length = 8cm breadth = 2cm .
what is the side of the square❓

Answers

Answer:

4 cm

Step-by-step explanation:

Area of rectangle = Area of square

= 8 x 2

= 16 cm²

Side length = √Area

= √16

= √4 x √4

= 4 cm

The measure of one interior angle of a reqular 45-gon

Answers

Answer:

4 degrees  :)

Step-by-step explanation:

All the interior angles must equal 180 degrees. So, we can do 180/45 which equals 4 degrees. Hope this helps. Btw all exterior angles equal 360 degrees, just in case you need to know that on your next assignment. Peace, man!

What type of association does the graph show between x and y?

Linear positive association
Nonlinear positive association
Linear negative association
Nonlinear negative association​

Answers

Answer:

Linear negative association

Step-by-step explanation:

All points are in a line, so it is linear.

As x increases, y decreases. That is a negative association.

Answer: Linear negative association

evaluate the question

-12 • (-5/4)

Answers

3x5
15 is the solution to the problem

Does anyone know No.8 and No.10?

Answers

Answer:

umm i think for the coin its 50% maybe? because tails would be 1/2

Step-by-step explanation:

im not sure for the second one though D:

Answers and Explanation:

8. It is a fair coin, meaning it has 2 equal landing possibilities. The probability of the coin landing on Head or Tail is equal, so the answer is 1/2

250 contestants playing, means the coin is flipped 250 times. Multiply the probability of it landing on Tails by the number of contestants.

=> [tex]\frac{1}{2}*250=125[/tex] . Therefore 125 contestants are expected to win.

10. The sample space is made of 1-12, there are 12 numbers. Probability is equal to number of outcomes/ sample space

a. P(x>10) = 2/12 = 1/6

This is because there are 2 numbers greater than 10. They are 11 and 12.

b. P(x<5) = 4/12 = 1/3

There are 4 numbers smaller than 5 (1,2,3,4)

c. P(4,6,9) = P(x=4) + P(x=6) + P(x=9)

=> 1/12 + 1/12 + 1/2 = 1/4

It is 1/12 for all three because there's only one of each number in the sample space. We add because in probability 'OR' means 'ADD'.

Now multiply your probability by the number of times the solid was rolled for your final answer.

=> [tex]1/4*200= 50 times[/tex]

50 times is the final answer

How many solutions does the system of equations below have?
3x - 2y = 4
6x - 4y = -11

Answers

I think 3 or maybe 2 because if ........

Please help (math) I hate math-

Answers

Answer:

D

Step-by-step explanation:

There are 3 adults going because when there are 9 students, there is one adult, so that means that you divide 9 from 27. The answer is 3. The last equation matches that operation because 9n means 9 multiplied with n is the same as 27.

Answer:

option D

Step-by-step explanation:

9 students = 1 adult

therefore, 9n = 27

Which operation should you perform last in the expression 12 × 42?

Answers

Answer:

The order of operations requires that all multiplication and division be performed first, going from left to right in the expression.

Step-by-step explanation:

First, consider expressions that include one or
more of the arithmetic operations: addition,
subtraction, multiplication, and division. The
order of operations requires that all
multiplication and division be performed first,
going from left to right in the expression.

What is the measure of DAE?
B
E
31°
D
C
PLEASE HELPPP!!

Answers

Answer:

Since BAF is the opposite of DAE, they are equal to each other. 134 - 89 = 45. The correct answer is 45

Step-by-step explanation:

Find the slope of a line going through (0, 4) and (-2, 2).

Answers

Answer:

slope  =  1

Slope-intercept form: y = 1x + 4

Step-by-step explanation:

Plot the 2 points on a graph. Count the rise and the run from point A to point B. From point A, you go down 2 and to the left 2 to get to point B. Meaning, the slope is -2 over -2. (-2/-2)What is -2 divided by -2? Positive 1 From there you can use the point-slope formula and find the slope-intercept form.

Hope this helps!

Determine if each set of numbers can be the lengths of the sides of a right triangle:

Answers

Solution:

The side lengths can only be classified as a right triangle if it is a Pythagorean triple. To classify the side lengths as a Pythagorean triple, it must satisfy "c² = b² + a²".

Where:

c = Longest side (Hypotenuse)b = Lega = Leg

Checking (5, 12, 13):

c² = b² + a²13² = 12² + 5²169 = 144 + 25169 - 144 = 2525 = 25 (Yes)

Checking (12, 35, 20√3):

(20√3)² = 35² + 12²(20√3)(20√3) = 1225 + 1441200 = 1225 + 144 (No)

Checking (5, 10, 5√5):

(5√5)² = 10² + 5²125 = 100 + 25125 = 125 (Yes)

Checking (8, 12, 15):

15² = 12² + 8²225 = 144 + 64 (No)

Checking (20, 99, 101):

101² = 99² + 20²10201 = 9801 + 40010201 = 10201 (Yes)

You buy $2. 75$ pounds of pistachios and $2$ pounds of cashews. Do you pay more for the pistachios or for the cashews?

Answers

Answer:

pistachios

Step-by-step explanation:

you pay more for the pistachios because $2.75 is greater than $2


How you solve this by using solving proportions

Answers

3/(x + 4) = (x + 2)/5

Multiply both sides by 5 :

5 × 3/(x + 4) = 5 × (x + 2)/5

15/(x + 4) = x + 2

Multiply both sides by x + 4 :

(x + 4) × 15/(x + 4) = (x + 4) × (x + 2)

Provided that x + 4 ≠ 0, we can cancel the factors of x + 4 on the left side:

15 = (x + 4) (x + 2)

Expand the product on the right side:

15 = x² + 6x + 8

Move everything to one side:

0 = x² + 6x - 7

We can factorize easily in this case
0 = (x + 7) (x - 1)

Then

x + 7 = 0   or   x - 1 = 0

⇒   x = -7   or   x = 1

6
An item is priced at $13.23. If the sales tax is 8%, what does the item cost including sales tax?

Answers

Total price = sale price x (1 + sales tax %)


total = 13.23 x ( 1 + 0.08)


total = $14.29

Answer:

$14.2884

original price: $13.23

with tax: 100% + 8% = 108%

cost with tax:

108% * $13.23

$14.2884

please help me on this ​

Answers

Answer:

  74°

Step-by-step explanation:

There are a couple of different angle relations that can be used to solve this problem. The measure of an inscribed angle is half the measure of the arc it subtends. The measure of an exterior angle of a triangle is equal to the sum of the remote interior angles. The measure of an exterior angle at the intersection of secants is half the difference of the arcs the secants subtend.

__

Using the secant relation, we find ...

  ∠Y = 1/2(RS -VX)

  2×∠Y +VX = RS

  2(28°) +18° = 74° = arc RS

__

Using the relations involving interior and exterior angles of a triangle, we have ...

  ∠S = 1/2(VX) = 1/2(18°) = 9°

  ∠RVS = ∠S +∠Y = 9° +28° = 37°

  arc RS = 2×∠RVS = 2(37°) = 74°

How many terms are there in the expression –2p3–3p2+7?

Answers

Answer:

No like terms

Step-by-step explanation:

Let's simplify step-by-step.

−2p3−3p2+7

There are no like terms.

Answer:

=−2p3−3p2+7

Answer:

There are 4 terms in the expression.

Step-by-step explanation:

Algebraic expressions :

A combination of constants and variables , connected by four fundamental arithmetical operations i.e addition , subtraction , multiplication and division is called an algebraic expressions

Terms:

Various parts of an algebraic expression , which are separated by + or – are called terms of the algebraic expression

EVALUATION

Here the given expression is

2p³ - 3p² + 4p + 7

Since Various parts of an algebraic expression , which are separated by + or – are called terms of the algebraic expression

So the terms are 2p³ , - 3p² , 4p , 7

We know that the number of terms in an algebraic expression is the total number of distinct terms in the expression

Pls, choose me as brainliest!

Find the volume of the triangular prism shown below:

Answers

Answer:

18 cm³

Step-by-step explanation:

To find the volume of a triangular prism, find the area of the cross-section (in this case, the triangle) and multiply it by the length.

The area of the triangle is 1/2 × 4 × 3 = 6 cm²

Now, multiply 6 by 3 to get 18 cm³

Hope this helps!

30 POINTS: Two crocodiles together can finish their snack in 40 seconds. One of these crocodiles can finish it alone 60 seconds. How long would it take the second crocodile to finish the same snack?

Answers

Answer:

120

Step-by-step explanation:

took quiz it was correct!

Answer:

120

Step-by-step explanation:

2.The table below shows the relationship between the number of tickets sold for a concert and a theater's net profit, in dollars. Determine the rate of change and what the rate of change
represents in this situation.
Concert Profit
Tickets Net Profit
Sold
($)
150
-500
200
0
225
250
400 2,000
The rate of change is 1/10. This means every 1 ticket sold produces a net profit of $10.00.
The rate of change can not be determined from the table above.
The rate of change is 10. This means every 1 ticket sold produces a net profit of $10.00
The rate of change is 10. This means every 10 tickets sold produces a net profit of $1.00.

Answers

The true statement about the rate of change of the table is (c) The rate of change is 10. This means every 1 ticket sold produces a net profit of $10.00

How to determine the rate of change

From the table, we have the following ordered pairs

(x,y) = (150,-500) and (200,0)

The rate (r) is then calculated as:

[tex]r = \frac{y_2 -y_1}{x_2 -x_1}[/tex]

So, the equation becomes

[tex]r = \frac{0 + 500}{200 - 150}[/tex]

Evaluate the difference and the sum

[tex]r = \frac{500}{50}[/tex]

Evaluate the quotient

[tex]r = 10[/tex]

The value of the rate represents that for every 1 ticket sold, there is a net profit of $10

Read more about rates and slopes at:

https://brainly.com/question/8728504

The circumference of a circle is 31.4 yards. What is the circle's diameter? C=31.4 yd Use 3.14 for ​.

Answers

Step-by-step explanation:

c= 31.4

c= πD

D= C/π

D= 31.4/3.14 = 10 yards
Answer:-

[tex]\longrightarrow[/tex] 10 yards

Given :-

[tex]\red{\leadsto}\:[/tex][tex]\textsf{Circumference \:of \:the \:circle} [/tex][tex]\sf= 31.4 \:yards [/tex]

Solution:-

[tex]\green{ \underline { \boxed{ \sf{Circumference \: of \: the \: circle = 2πr}}}}[/tex]

r is radius of circle

[tex]\begin{gathered}\\\implies\quad \sf Circumference \:of \: the \: circle = 31.4 \\\end{gathered} [/tex]

[tex]\begin{gathered}\\\implies\quad \sf 2πr= 31.4 \\\end{gathered} [/tex]

[tex]\begin{gathered}\\\implies\quad \sf 2\times 3.14 \times r= 31.4 \\\end{gathered} [/tex]

[tex]\begin{gathered}\\\implies\quad \sf 6.28 \times r= 31.4 \\\end{gathered} [/tex]

[tex]\begin{gathered}\\\implies\quad \sf r= \frac{31.4}{6.28} \\\end{gathered} [/tex]

[tex]\begin{gathered}\\\implies\quad \sf r= 5 \:yards \\\end{gathered} [/tex]

[tex]\green{ \underline { \boxed{ \sf{Diameter = 2 \times radius }}}}[/tex]

[tex]\begin{gathered}\\\implies\quad \sf Diameter = 2\times 5\\\end{gathered} [/tex]

[tex]\begin{gathered}\\\implies\quad \sf Diameter = 10 \: yards\\\end{gathered} [/tex]

How many solutions are in the equation

Answers

Answer:

no solutions

Step-by-step explanation:

The equation simplifies to 13 = -3, which is not true for any value of x.

Use a power of ten to estimate the product.
104 x 56.379
5,824
O 563.79
O 5,637.9
O 5,928

Answers

104 can be estimated to 100, which can be written as 10^2 (10*10 = 100)

With this we can now multiply

100 or 10^2 * 56.379 = 5.637.9


Hope this helps!

Write and solve an equation to answer the question.

What number is 16% of 80?

show steps to get brainliest

Answers

Answer:

12.8

Step-by-step explanation:

write it down on the calculator to get the result...

no. = 80 × 16% = 80 × (16/100) = 80 × 0.16 = 12.8

Hannah's bank account received a refund of $195 because of returning a recent purchase. Which number describes the change in Hannah's account balance due to this refund?

Answers

+195 is the answer to this question

Pleaseeeee help with this! Thank you so much!

Answers

Answer:

≈ 7.85 cm

Step-by-step explanation:

The area (A) of a circle is calculated as

A = πr² ( r is the radius )

given A = 225π , then

πr² = 225π ( divide both sides by π )

r² = 225 ( take square root of both sides )

r = [tex]\sqrt{225}[/tex] = 15

the arc length is calculated as

arc = circumference × fraction of circle

      = 2πr × [tex]\frac{30}{360}[/tex]

      = 2π × 15 × [tex]\frac{1}{12}[/tex]

      = 30π × [tex]\frac{1}{12}[/tex]

      = [tex]\frac{30\pi }{12}[/tex]

      ≈ 7.85 cm ( to 2 dec. places )

the local college has a swimming pool that measures 50 m longand 25m wide. If you swam from one corner to the other, how far would you swim

Answers

Answer:

55.902m

Step-by-step explanation:

a^2 + b^2 = c^2
the diagonal line through the swimming pool is the hypotenuse that splits the pool into two equal right triangles

25^2 + 50^2 = c^2
625 + 2500 = c^2
3125 = c^2
root3125 = 55.902

please help this is due tomorrow ​

Answers

Answer:

3.5cm

Step-by-step explanation:

10mm = 1 cm

35mm = ?cm

35/10 = 3.5cm

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