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
Irina-Kira [14]
3 years ago
8

A recipe requires 3 cups of flour to make 27 dinner rolls. How much flour is needed to make 9 rolls?Mandy runs 4 km in 18 min. S

he plans to run in a 15 km race. How long will it take her to complete the race?
Mathematics
1 answer:
Rama09 [41]3 years ago
5 0

Answer:

a)1 cup of flour

b)67.5 minutes

Step-by-step explanation:

a) A recipe requires 3 cups of flour to make 27 dinner rolls. How much flour is needed to make 9 rolls?

From the above question, we know that:

27 dinner rolls = 3 cups of flour

9 dinner rolls = x

Cross Multiply

27 rolls × x = 9 rolls × 3 cups

x = 9 rolls × 3 cups/27 rolls

x = 1 cup of flour

Hence, 1 cup of flour is needed to make 9 dinner rolls

b) Mandy runs 4 km in 18 min. She plans to run in a 15 km race. How long will it take her to complete the race?

From the above question:

4 km = 18 minutes

15km = x

Cross Multiply

4km × x = 15km × 18 minutes

x = 15km × 18minutes/4km

x = 67.5 minutes

Hence, in a 15km race , it would take her 67.5 minutes to complete her race.

You might be interested in
Simplify 3xy+5yz-2xy +3yz
Free_Kalibri [48]

Answer:

8yz+xy

like terms and then solve it

4 0
3 years ago
Read 2 more answers
Please I need help with please help <br> A)<br> B)<br> C)<br> D)
kodGreya [7K]

Answer:

a. m=3

b. m= -1/4

c. m= 0.25

d. m= 7

Step-by-step explanation:

y=mx+b

3 0
2 years ago
What's a number that has exactly three factors???
Kay [80]
The factors of  4  are  1,  2,  and  4 .

The factors of  9  are  1,  3,  and  9 .
3 0
3 years ago
5x+4y= 10<br> –5x+y = 15
Ivahew [28]

Answer:

what exactly are we trying to solve for

6 0
3 years ago
Find the area of the equilateral triangle
uranmaximum [27]

Answer:

Step-by-step explanation:

Suppose that the side length is s.  Imagine that one side is level.  Draw a vertical line through the top vertex perpendicular to the base (level side).  Label this vertical line "h."  Then h and s are related as follows:

                               √3          h

sin 60 degrees = ------- = --------

                                 2           s

                                                                   s√3

and so h = the height of the triangle =  -----------

                                                                       2

The area of this triangle is (1/2)(base)(height), which here is:

(1/2)(s/2)( s√3 /2), or

        (s^2)√3

A = ---------------

               8                                

8 0
3 years ago
Read 2 more answers
Other questions:
  • A group of friends ordered two pizzas, one with pepperoni and one with mushrooms and green peppers. A plain pizza costs 9 dollar
    5·1 answer
  • How do you do this math 18-0.4<br> in long subtraction
    14·2 answers
  • What’s the right answer?
    5·2 answers
  • Is 600km bigger than 5 m
    7·1 answer
  • I WILL GIVE BRILLIANT
    12·1 answer
  • Would you rather have a pool that is 20m×8m×6m OR a pool that is 1550cm×650cm×725cm?
    12·2 answers
  • Complete the proof of the polynomial identity. *help please draw a line from the correct answer to the correct blank*
    15·1 answer
  • What is 25 divided 34
    10·1 answer
  • Sam tried to subtract 21.3-1.9
    5·2 answers
  • Read and answer questions
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!