solve the equation 2 3/5 × 1 3/7

Answers

Answer 1

Answer:

26/7

Step-by-step explanation:

[tex]2\frac{3}{5} * 1\frac{3}{7}[/tex]=

[tex]\frac{13}{5}* \frac{10}{3} =[/tex]

[tex]\frac{130}{35}[/tex]=

simplify= 26/7


Related Questions

An object travels 8 miles in 20 minutes at a constant speed. What is the object's speed in miles per hour

Answers

Answer:

24miles/hour

Step-by-step explanation:

Speed is the change in distance of a body with respect to time.

Speed = Distance/tIme

Given parameters

Distance = 8miles

TIME = 20minutes

Convert minutes to hour

since 60minutes = 1hr

20 min = x

cross multiply

20 = 60x

x = 20/60

x = 1/3

Hence 20mins = 1/3 hr

Speed = 8miles/(1/3)hr

speed = 8 miles * 3/1 hr

speed = 24 miles/hr

Hence the object's speed in miles per hour is 24miles/hour

The object's speed in miles per hour is 24 miles per hour.

Distance = 8 miles

Time = 20 minutes = 20/60 = 1/3 hour

The speed of an object is calculated as:

= Distance / Time

= 8 ÷ 1/3

= 8 × 3

= 24

In conclusion, the object's speed in miles per hour is 24 miles per hour.

Read related link on:

https://brainly.com/question/24720712

A car of m = 1200. kg collides with a tree while traveling 60.0 mph. The collision occurs over a time period of 0.0500 seconds. Determine the magnitude of the force exerted on the car as it comes to rest during the collision. (1 m/s = 2.24 mph) 1.58 × 10 3N 1.44 × 10 6N 3.60 × 10 3N 6.4331 × 10 5N

Answers

Answer:

6.4331 × 10 5N

Step-by-step explanation:

Given the following :

Mass (m) of car = 1200kg

Initial Velocity (u) of car = 60 mph

Final velocity = 0 ( comes to rest)

Velocity in m/s = 60 / 2.24 = 26.785 m/s

Time (t) = 0.0500

Using the relation :

Ft = m(v - u)

Where,

v = final velocity ; u = initial velocity ; t = time ; F = force

F*0.05 = 1200(26.785 - 0)

0.05F = 32142.86 - 0

F = 32142.86 / 0.05

F = 642857.14 N

F = 6.43 × 10^5 N

Find the distance of each segment AB and CD. You may leave in radical form. A (3, 4) B(1, 0) and C (-1, 2) D (-2, 5)

Answers

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

AB

[tex]\sqrt{(1-3)^2+(0-4)^2}[/tex]

[tex]\sqrt{4+16}[/tex]

[tex]\sqrt{20}[/tex]

[tex]2\sqrt5[/tex]

CD

[tex]\sqrt{(-2-(-1))^2+(5-2)^2}[/tex]

[tex]\sqrt{1+9[/tex]

[tex]\sqrt{10}[/tex]

Hope this helps.

頑張って!

Answer:

Step-by-step explanation:

se the graph to determine the input values that

correspond with f(x) = 1.

O x=4

O x= 1 and x = 4

O x= -7 and x = 4

O x= -7 and x = 2

6.

(-6, 4)

4

(1,4) w

2

(-7, 1)

(2, 1) x w

2

4

-8/ -6 -4 -2 e

-2

-4thrrt

5 Laura says that the distance between (4, -2) and (4, -7) in the coordinate plane is
equal to 1-2-(-7) units.
Ryan says that the distance between the points (2, 3) and (-9,3) in the coordinate
plane is equal to 2 + 9 units.
Is either Laura or Ryan correct? Explain.

Answers

Answer:

Ryan is correct.

Step-by-step explanation:

Laura says that the distance between (4, -2) and (4, -7) in the coordinate plane is  equal to 1-2-(-7) units.

Here, x-coordinates are same, so the distance between these points is the difference between y-coordinates.

Distance between (4, -2) and (4, -7) = -2-(-7)

                                                           = -2+7

                                                           = 5 units.

So, Laura is incorrect.

Ryan says that the distance between the points (2, 3) and (-9,3) in the coordinate  plane is equal to 2 + 9 units.

Here, y-coordinates are same, so the distance between these points is the difference between x-coordinates.

Distance between (2, 3) and (-9,3) = 2-(-9)

                                                         = 2+9

                                                          = 11 units.

Therefore, Ryan is correct.

Help this is all I was given 7*f(5)=

Answers

Simplifying
7f(5) = 0

Reorder the terms for easier multiplication:
7 * 5f = 0

Multiply 7 * 5
35f = 0

Solving
35f = 0

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by '35'.
f = 0

Simplifying
f = 0

A 5 1/2 foot by 12 foot concrete wall is to be built using concrete blocks. What is the area of the wall

Answers

Answer:

66 feet

Step-by-step explanation:

5 1/2 times 12

A football team lost 2 yards every 5 minutes. Write the integer that represents how many yards the team lost after 15 minutes

Answers

Answer:

the answer is in the picture

Step-by-step explanation:

find the base of isolation triangle whose area is 60 CM square and length of one of its equal side is 13 cm​

Answers

Answer:

base = 10 cm

Step-by-step explanation:

The height from the vertex is a perpendicular bisector of the isosceles Δ

This line divides the triangle into 2 right triangles with hypotenuse 13

Thus each right triangle is a 5- 12- 13 with legs 5 and 12

The height is 12 cm and the base 5 cm

Then the base of the isosceles Δ = 2 × 5 cm = 10 cm

Note Area = 0.5 × 10 × 12 = 60 cm²

Help me check my answer! :)
Use greater than, less than, or equal to sign to compare.
3/5 and 0.6
(i got equal to, just checking )

Answers

Answer:

yes its equal :)

Step-by-step explanation:

3/5= 0.6

Answer:

[tex]\huge\boxed{\sf Equal \ to}[/tex]

Step-by-step explanation:

=> 3/5 = 0.6

So,

=> 0.6 = 0.6

We'll use "equal to" sign.

Hope this helped!

~AnonymousHelper1807

Which equation shows the correct relationship between the measures of the angles of the two triangles?

Answers

Answer:

The answer is C

Answer:

c is the answer

Step-by-step explanation:

the answer is c

simplify the expression (a^3 over 2)^3

Answers

Step-by-step explanation:

(a3/2)3

(a3)3/(2)3

a9/8

Hope it is helpful for you

Need help pppppppppplz

Answers

Answer:

83%

Step-by-step explanation:

The fraction shown is 5/6.

5/6= 0.83333333

0.83333333= 83%

please help with all 3!! will give brainliest!!

Answers

Answer:

11. 9. 4.

Step-by-step explanation:

Since BD bisects ABC, angle ABD = angle CBD.

(13x - 56) = (7x + 10)

6x = 66

x = 11.

Again for the next question BD bisects ABC.

(x + 15) = (4x - 12)

3x = 27

x = 9.

For the last question,

(9x + 9) = (12x - 3)

3x = 12

x = 4.

Write an expression equivalent to 6x+3y-4x+2

Answers

Answer:

10x+3y+2

Step-by-step explanation:

Question 1 Determine if graph shows two quantities that are proportional to each other. A Proportional B Non-Proportional Why or why not?

Answers

it is not proportional because the line does not go straight from the origin. The origin is 0 and 0 in the bottom corner

The left and right page numbers of an open book are two consecutive integers whose sum is 229

Answers

Answer:

114, and 115

Step-by-step explanation:

114+115 = 229

Answer:

114 and 115

Step-by-step explanation:

Let's say the pages are p

so

Left page = p

Right page = p+1

p(p+1) = 229

2p+ 1 = 229 we want to know what p is so isolate the variable:

      -1       -1

2p=228 Divide:

p=114

The pages are 114 and 115

Check: 114+115 = 229

Hope this helps :)

If f(x)=3-|7+2x|, evaluate if f(-5)

Answers

Answer:

0

Step-by-step explanation:

the || makes whatever number is inside it abslute so -3 becomes 3 instead

Answer:

[tex]f(-5)=0[/tex]

Step-by-step explanation:

[tex]f(x)=3-|7+2x|\\f(-5)=3-|7+2(-5)|\\f(-5)=3-|7+(-10)|\\f(-5)=3-|-3|\\f(-5)=3-3\\f(-5)=0[/tex]

Which of the following is a name for this line? I’m unsure of this question Pleaseee Helppp

Answers

Answer:C

Step-by-step explanation:

the line above AB signifies that its a line segment

there are points for A and B

#15 how do i do it and how do i solve?!

Answers

Answer:

perimeter=8x+30

Step-by-step explanation:

(3x+15)+(3x+15)+(x)+(x)

^each side is represented within the parentheses

then, rearrange the terms so they are organized by like terms

3x+3x+x+x+15+15

8x+30

The answer is 8x+30 !!!

6) A demand curve for a product is the number of items the consumer will buy at different prices. At a price of $2 a store can sell 2400 of a particular type of toy truck. At a price of $8 the store can sell 600 such trucks. If x represents the price of trucks and y the number of items sold, write an equation for the demand curve.

Answers

Given :

When price is $2 dollars he sells 2400 units .

When price is $8 dollars he sells 600 units .

To Find :

If x represents the price of trucks and y the number of items sold, write an equation for the demand curve.

Solution :

Two points are given :

[tex](x_1,y_1)=(2,2400)[/tex]

[tex](x_2,y_2)=(8,600)[/tex]

Now , slope is given by :

[tex]m=\dfrac{y_2-y_1}{x_2-x_1}\\\\m=\dfrac{2400-600}{2-8}\\\\m=\dfrac{-1800}{6}\\\\m=-300[/tex]

Now , the equation of line containing these two points and slope -300 is :

[tex](y-y_1)=m(x-x_1)\\\\y-600=-300(x-8)\\\\y=-300x+2400+600\\\\y=-300x+3000[/tex]

Therefore , equation for the demand curve is [tex]y = -300x +3000[/tex] .

Hence , this is the required solution .

Which of the following represents fifth root of x to the fourth power in exponential form? (6 points) a 4x5 b 5x4 c x to the five fourths power d x to the four fifths power

Answers

Answer:

B) 5x4

one its not A nor its C

its either B or D but i would go with B because D doesn't make sense all because D is saying x4^5 but its 5x^4

Answer:

[tex]x^{\frac{4}{5} }[/tex]

Step-by-step explanation:

Using the rule of radicals/ exponents

[tex]\sqrt[n]{x^{m} }[/tex] ⇔ [tex]x^{\frac{m}{n} }[/tex] , thus

[tex]\sqrt[5]{x^{4} }[/tex] = [tex]x^{\frac{4}{5} }[/tex]

Marcus has $45 in his bank account. He deposits a check for $65. Two days later he
withdraws $20. How much money is left in his account?

Answers

there is $90 left in his account

Answer: $90

Step-by-step explanation: Take 45 and add 65, then subtract 20.

Quesheip Use the number line below, where RS = 6y +2, ST=5y + 9, and RT= 13y - 1 a What is the value of y? b Find RS, ST, and RT. R S T a. What is the value of y? y=Type an integer or a decimal.)

Answers

Answer:

[tex]y = 6[/tex]

[tex]RS = 38[/tex]

[tex]ST = 39[/tex]

[tex]RT = 77[/tex]

Step-by-step explanation:

Given:

[tex]RS = 6y +2[/tex]

[tex]ST=5y + 9[/tex]

[tex]RT= 13y - 1[/tex]

Solving (a): The value of y

From the given parameters, we understand that

[tex]RT = RS + ST[/tex]

Substitute values for RS, ST and RT

[tex]13y - 1 = 6y + 2 + 5y + 9[/tex]

Collect Like Terms

[tex]13y - 6y - 5y = 1 + 2 + 9[/tex]

[tex]2y = 12[/tex]

Divide both sides by 2

[tex]y = \frac{12}{2}[/tex]

[tex]y = 6[/tex]

Solving (b):

The value of RS

Substitute 6 for y in [tex]RS = 6y +2[/tex]

[tex]RS = 6 * 6 + 2[/tex]

[tex]RS = 36 + 2[/tex]

[tex]RS = 38[/tex]

The value of ST

Substitute 6 for y in [tex]ST=5y + 9[/tex]

[tex]ST = 5 * 6 + 9[/tex]

[tex]ST = 30 + 9[/tex]

[tex]ST = 39[/tex]

The value of ST

Substitute 6 for y in [tex]RT= 13y - 1[/tex]

[tex]RT = 13 * 6 - 1[/tex]

[tex]RT = 78 - 1[/tex]

[tex]RT = 77[/tex]

Answer:

Guy who answered first is wrong it’s 5 not 6

Step-by-step explanation:

Could -2 be used as a base to rewrite 32?
engage"
Select one:
OYes
ONO
Submit Answer

Answers

Answer:

No

Step-by-step explanation:

Paul takes a random sample of 50 students in his seventh-grade class and finds that 20 of the students in the sample prefer chocolate ice cream over vanilla ice cream. There are 200 students in the seventh grade. Based on the sample proportion, about how many students in the seventh grade would be expected to prefer chocolate ice cream over vanilla ice cream? 40 80 50 200 I am confused. Please explain a step by step explanation

Answers

Answer:

80 students.

Step-by-step explanation:

Since there were 50 students, and 20 students wanted the chocolate icecream, that makes a proportion of 2/5. Then, there are 200 students in this whole seventh grade, and imagine that they have the same proportion of the 50 students. So, you should do 2/5 × 200, and the answer is 80.

I hope this helps you! ;)

You are helping your dad build a rectangular dog park. The length of the dog park feet can be represented by
8x + 2 and the width in feet can be represented by 2x - 12. If your dad bought 160 feet of fencing
(perimeter), what is the length of the dog park?

Answers

Answer:

The length of the dog park is 74 feet.

Step-by-step explanation:

Given that,

Length of park = (8x+2)..(I)

Width of park = (2x-12)...(II)

Perimeter = 160 feet

We need to calculate the value of x

Using formula of perimeter of rectangular park

[tex]P=2(l+w)[/tex]

Where, l = length

w = width

Put the value into the formula

[tex]160=2(8x+2+2x-12)[/tex]

[tex]160=20x-20[/tex]

[tex]x=\dfrac{160+20}{20}[/tex]

[tex]x=9[/tex]

We need to calculate the length of the dog park

Using equation (I)

[tex]l=8x+2[/tex]

Put the value of x

[tex]l=8\times9+2[/tex]

[tex]l=74\ feet[/tex]

Hence, The length of the dog park is 74 feet.

five number are in the ratio 1:2:3:4:5 and the sum is 585.find the numbers​

Answers

Answer:

39, 78, 117, 156 and 195.

Step-by-step explanation:

If the lowest number is x then we can write the numbers as:

x, 2x, 3x, 4x and 5x, so:

x + 2x + 3x +  4x +  5x = 585

15x = 585

x = 39.

So the second number is 39 * 2 = 78

So all numbers are 39, 78, 117, 156 and 195.

F(t)+-2t^2+5t, [1,6] What could this function model be used in real life?

Answers

Explanation:

It might represent the relative position of an object that has some initial velocity and constant acceleration. For whatever reason, the time period of interest is 1 to 6 seconds.

During break 125 students went to canteen to purchase cake and ice-cream. If 80 students purchased cake, 57 purchased ice-creams, find the number of students who purchased both.41.​

Answers

Answer:  12

Step-by-step explanation:

Total = Cake + Ice Cream - Both

125 = 80 + 57 - Both

125 = 137 - Both

-12 = -Both

12 = Both

Answer:

Step-by-step explanation:

Total = Cake + Ice Cream - Both

125 = 80 + 57 - Both

125 = 137 - Both

-12 = -Both

12 = Both

I need to solve 12r-6s=t for r

Answers

Answer:

Simplifying

12r + -6s = t

Solving

12r + -6s = t

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '6s' to each side of the equation.

12r + -6s + 6s = 6s + t

Combine like terms: -6s + 6s = 0

12r + 0 = 6s + t

12r = 6s + t

Divide each side by '12'.

r = 0.5s + 0.08333333333t

Simplifying

r = 0.5s + 0.08333333333t

Step-by-step explanation:

sorry if this doesnt help

Answer:

r=s/2+t/12

Step-by-step explanation:

To find the answer, add 6s to both sides to get 12r=6s+t. Divide both sides by 12 to get the answer.

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