MATHEMATICS HIGH SCHOOL

In the month of June, a street vendor sold 10% more hot dogs than he sold in the month of May. How many total hot dogs did the vendor sell in May and June

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Answer 1
Answer:

I think is twelve cause June may so ya Answer:

Step-by-step explanation:

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What equals 42 & 50 in multiplication Thanks So Much!!!!!!!

Answers

42 = 7 x 6
42 = 21 x 2
42 = 3.5 x 12

50 = 25 x 2
50 = 5 x 10
5 × 10 = 50

6 × 7 = 42

Write a function perim that receives the radius r of a circle and calculates and returns the perimeter p of the circle (p = 2 * π * r). a) def perim(r): b) perim(r): c) def perim_circle(r): d) def calculate_perimeter(r):

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Answer:

Write a function perim that receives the radius r of a circle, and calculates and returns the perimeter P of the circle (P = 2 π r). Here are examples of using the function:

>>perimeter = perim(5.3)

perimeter =33.3009

>>fprintf(‘The perimeter is %.1f\n’, perim(4))

The perimeter is 25.1

>>help perim

Calculates the perimeter of a circle

Renewable energy sources, such as biomass, are gaining increasing attention. Biomass energy units include megawatt hours (MWh) and gigajoules (GJ). One MWh is equivalent to 3.6 GJ. For example, 1 cubic meter of wood chips produces 1 MWh.

Step-by-step solution

Step 1 of 3

The perimeter of a circle is,

Here,

r is the radius of the circle and

P is the perimeter of the circle.

Chapter 3, Problem 25E is solved.

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Corresponding textbook

MATLAB | 3rd Edition

MATLAB | 3rd Edition

9780124058767

ISBN:

0124058760

Authors:

Stormy Attaway

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MATLAB

(3rd Edition)

Solutions for Chapter 3

Problem 25E: Write a function perim that receives

the radius r of a circle, and calculates and returns

the perimeter P of the circle (P = 2 π r). Here are …

Solutions for problems in chapter 3

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PLEASE HELP ME!!!! I'LL MARK YOU BRAINLIEST IF YOU ANSWER THIS CORRECTLY!!!!

Answers

Answer:

x = 86

Step-by-step explanation:

note: a straight line is regarded to have an angle of 180 degrees.

in this case CUW is a straight line

I shall show you two methods . which ever one you choose will still get the same answer. however understanding both will help you use them for other questions

method 1

therefore in order to solve the value of x we need to get the missing angle in the triangle first which is angle WUV

Angle WUV

notes : a triangle has a total angle of 180 degrees

hence we can create an equation to get the angle WUV

lets make the missing angle as Y , this will help to find the answer.

46 + Y + 40 = 180

now make Y the subject of formula

Y = 180 - 40 - 46

Y = 94

now in order to find x .

since the CUW is a straight line with 180 degrees

hence x = 180 - 94 = 86

x = 86

method 2

since the triangles total angle is 180 degrees and also the straight line is also 180 degrees. we can just add the total of the 2 sides of the triangle ( the two interior angles can be added together to get the value of the exterior one)

40 + 46 = 86

x = 86
The answer is 86
Two interior angles is equal to one exterior angle

Two bicyclists leave the center of town at the same time. One heads due north and the other heads due west. Later, the two cyclists are exactly 25 mi apart. The cyclist headed north has traveled 5 mi farther than the cyclist going west.How far has the cyclist going west traveled?

Answers

Answer:

Distance traveled by bicyclist traveling west  = 15 miles

Step-by-step explanation:

Two bicyclists leave the center of town at the same time. One heads due north and the other heads due west. Later, the two cyclists are exactly 25 mi apart. The cyclist headed north has traveled 5 mi farther than the cyclist going west.

These two cyclists travel at angle 90°

Relative displacement can be calculated using Pythagoras theorem.

Let d be the distance traveled by bicyclist traveling west

Distance traveled by bicyclist traveling north =  d + 5

25^2=d^2+(d+5)^2\n\nd^2+d^2+10d+25=625\n\n2d^2+5d-600=0\n\nd^2+5d-300=0\n\nd=(-5\pm √(5^2-4* 1* (-300)))/(2* 1)\n\nd=(-5\pm √(25+1200))/(2)\n\nd=(-5\pm √(1225))/(2)\n\nd=(-5\pm 35)/(2)\n\nd=15miles\texttt{ or }d=-20miles

Negative displacement is not possible.

Hence d = 15 miles

Distance traveled by bicyclist traveling west = d = 15 miles
This  situation is represented  in annex. 
From Pythagorean theorem you've got equation:
x^2+(x+5)^2=25 \n \n \hbox{From formula} \ \ \ (a+b)^2 = a^2+2ab+b^2: \n \n x^2+x^2+10x+25=25 \n 2x^2+10x=0 \n \n \hbox{Factor out} \ \ 2x: \n 2x(x+5)=0 \n \n \hbox{So you've got:} \n \n x_1=0 \n x_2=-5

There isn't any solutions where x>0, so this situation is IMPOSSIBLE.

Did you write correctly this question....?

Which are sums of perfect cubes? Check all that apply.A=8x6 + 27
B=x9 + 1
C=81x3 + 16x6
D=x6 + x3
E=27x9 + x12
F=9x3 + 27x9

Answers

Answer:

Option A, B, D, E are the sums of perfect cubes

Step-by-step explanation:

Given some choices we have to select the option which are the sums of perfect cubes.

Option A: 8x^6+27

8x^6+27

⇒ (2x^2)^3+(3)^3

which is the sum of perfect cube.

Option B:x^9+1

x^9+1

⇒ (x^3)^3+(1)^3

which is the sum of perfect cube.

Option C:81x^3+16x^6

81x^3+16x^6

⇒ 9^2x^3+4^2(x^2)^3

which is not the sum of perfect cube.

Option D:x^6+x^3

x^6+x^3

⇒ (x^2)^3+x^3

which is the sum of perfect cube.

Option E: 27x^9+x^(12)

27x^9+x^(12)

⇒ (3x^3)^3+(x^4)^3

which is the sum of perfect cube.

Option F:9x^3+27x^9

⇒ 3^2x^3+(3x^3)^3

which is not the sum of perfect cube.

Option A, B, D, E are the sums of perfect cubes

     

answer


a b d e

hope that helped :)

If f(x) = x2 − 2x + 9 and g(x) = 8 − x, what is (f o g)(−4)?

Answers

I hope this helps you
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