1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Pani-rosa [81]
3 years ago
7

at noon joice drove to the lake at 30 mi. per hour, but she made a long walk back at 4 mi. per hour. how long did she walk ifshe

was gone for 17 hours?
Mathematics
1 answer:
Kryger [21]3 years ago
3 0
Distance = 30 mph * time
distance = 4 mph * time

distance = 30 mph * t
distance = 4 mph * (17-t)

Since distance is equal then
30 mph * t = 4 mph * (17-t)
 
30t = -4t + 68

34t = 68

t = 2 hours

We see the return trip time is (17 -t ) which is 15 hours.
The beginning trip time is 2 hours.

Double Check
Beginning trip = 30 miles * 2 = 60 miles
Return trip = 4 miles * 15 = 60 miles.


You might be interested in
Y= 3 • 2^x <br> I’m not sure what the answer is.
natali 33 [55]

Answer:

D is your answer:)

Step-by-step explanation:

It will be D because 3 multiplied by 2 equals 6 so that means the graph should connect to 6 on the y axis.I HOPE IT HELPS:)

3 0
2 years ago
X+1.5 (x-3)=5/2 solve pls help me it's an immediate thing I will give 20 p for it
Yuki888 [10]
X+ 1.5x - 4.5 = 5/2
2.5x - 4.5 = 5/2
2.5x = 5/2 + 4.5
2.5x = 7
x = 7/2.5

X = 2.8
7 0
3 years ago
A cup of chocolate chips weigh about 6 ounces. A recipe calls for 31 4 cups of chocolate chips which is about how many ounces?
leva [86]
If 1 cup of chocolate chips weighs about 6 ounces

The recipe calls for 3 1/4 cups of chocolate chips.

We need to multiply 6 by 3 which is 18 ounces plus the 1/4 which is 6 times 1/4 = 1.5 ounces

18 + 1.5 = 19.5 ounces of chocolate chip needed
7 0
2 years ago
Miles traveled, miles to go, fill in the “?”
julsineya [31]

Answer:

The blank is 170

Step-by-step explanation:

The ratio from miles traveled to miles to go is 1:-1

520-0=520

520-100=420

520-200=320

520-350=170

520-520=0

7 0
3 years ago
1.
GREYUIT [131]

Answer:

Step-by-step explanation:

1.

James goes to an arcade.

He has one go on the Teddy Grabber.

He has one go on the Penny Drop.

The probability that he wins on the Teddy Grabber is 0.2.

The probability that he wins on the Penny Drop is 0.3.

(a) Complete the tree diagram.

Teddy Grabber

Penny Drop

Win

0.3

Win

0.2

Lose

Win

Lose

Lose

(2)

7 0
3 years ago
Other questions:
  • A cell phone plan costs $200 to start. Then there is a $50 charge each month. Write an equation relating the cost, y, and then n
    11·2 answers
  • The B737-400 aircraft flies an average speed of 400 miles per hour.The expression 400t gives the distance traveled by the aircra
    8·1 answer
  • A truck is carrying grape juice,orange juice and apple juice in a ratio 3:6:1.if there are 15 grape juice how many orange juice
    5·1 answer
  • Determine which matrices are in reduced echelon form and which others are only in echelon form. a. [Start 3 By 4 Matrix 1st Row
    15·2 answers
  • Please Help!!! Surface Area of a ball!!! Extra points and brainiest will be given!!!!!
    14·1 answer
  • Find the area of a parallelogram with a base of 10cm and height of 5cm. Write the area first and show your work.
    6·1 answer
  • Need help on question 13 with work and answer Can you guys check if 12 and 14 are also correct plz
    10·1 answer
  • Trigonometry
    9·1 answer
  • PRS is isosceles with RP RS RQ is drawn such that it bisects PRS What additional fact can be used to prove PRQ SRQ by Sas in ord
    14·1 answer
  • Someone pls help me ill give out brainliest pls don’t answer if you don’t know
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!