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mario62 [17]
3 years ago
14

The equation d = rt relates distance, rate, and time. A turtle walked 400 feet

Mathematics
2 answers:
zysi [14]3 years ago
8 0

Answer: 40 per minute

Step-by-step explanation:

NemiM [27]3 years ago
7 0

Answer:

Step-by-step explanation:

d = rt....and just so you know, speed is the same as rate

since we are looking for r, I am gonna change the equation

d = rt......r = d / t

d = 400

t = 10

now sub

r = d / t

r = 400/10

r = 40 ft per minute <=====

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What is equivalent to 3^4/3^7
Misha Larkins [42]

i believe your answer will be 0.04 or 4/100

OR if you need an equivalent expression, that would be 81/2187

5 0
3 years ago
If anyone could help?
Trava [24]

Answer:

y=\frac{5}{7}x and y=\frac{7}{9}x

Step-by-step explanation:

A simple way to solve this problem is to plug the corresponding x and y into the function. We need only one pair since all the functions are quasi-linear (y=kx) and the increase is proportional.

In y=\frac{5}{7}x when x=3, y=15/4≈2.14

In y=\frac{3}{5}x when x=3, y=1.8

In y=\frac{7}{9}x when x=3, y≈2.33

In y=\frac{7}{11}x when x=3, y≈1.90

We can observe that in two cases, y=\frac{5}{7}x and y=\frac{7}{9}x, y is greater than 2.


5 0
3 years ago
Solve for xx. Round to the nearest tenth, if necessary.
jasenka [17]

Step-by-step explanation:

S+T+U=180°{sum of angle of triangle}

  • 68°+90°+U=180°
  • U=180-158°
  • U=22°

sin theta= p/h

sin22°=x/83

o.37=x/83

x=0.37×83

x=30.71

x=31

stay safe healthy and happy.

6 0
3 years ago
The fee for a service call from a plumber can be modeled with the function C(h)= 75 + 20h, where C is the total cost of the serv
Lynna [10]

Answer:

20 ; $135 ; service charge for 3 hours spent is $135

Step-by-step explanation:

Given that :

Service fee equation model :

C(h)= 75 + 20h

C = total cost of the service call

h = number of hours the plumber spends working on the problem

The charge per hour is the gradient or slope of the linear equation. From the equation, the slope is of the equation is related to bx from. The general form of a linear equation where b = gradient or slope(charge per hour) and x = number of hours

bx = 20h

b = 20

Charge per hour = 20

C(3) = 75 + 20(3)

75 + 60 = 135

This means that total service call charge for a plumber who spends three hours fixing a problem is $135

6 0
3 years ago
The vertices of a triangle are listed below:
Pavlova-9 [17]
I believe it’s 20, hope this helps!
6 0
3 years ago
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