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
nasty-shy [4]
3 years ago
9

Simplify the expression: -7d+5(10d+-6)

Mathematics
1 answer:
Alexandra [31]3 years ago
3 0

Answer:

-7d+50d+-30= 43d+-30

  1. Use distributive property when there is parentheses and a number infront.
  2. combine like terms. ONLY if they have the same variable.
  3. then just put them in an expression.
You might be interested in
mrs jacobson asks each group of students to write an expression equivalent to the model shown. which group is incorrect expressi
madreJ [45]
Where is the model. To answer I need the model.
8 0
3 years ago
Starting at home, Luis traveled uphill to the gift store for 50 minutes at just 6 mph. He then traveled back home along the same
mario62 [17]

Average speed for the entire trip, both ways, is

                 (Total distance) divided by (total time) .

We don't know the distance from his house to the gift store,
and we don't know how long it took him to get back.
We'll need to calculate these.

-- On the trip TO the store, it took him 50 minutes, at 6 mph.
-- 50 minutes is 5/6 of an hour.
-- Traveling at 6 mph for 5/6 of an hour, he covered 5 miles.
-- The gift store is 5 miles from his house.
-- The total trip both ways was 10 miles.

-- On the way BACK home from the store, he moved at 12 mph.
-- Going 5 miles at 12 mph, it takes  (5/12 hour) = 25 minutes.

Now we have everything we need.

Distance:
         Going:       5 miles
         Returning:  5 miles
         Total         10 miles

Time:
         Going:        50 minutes
         Returning:   25 minutes
         Total:          75 minutes  =  1.25 hours  

         Average speed for the whole trip =

                       (total distance) / (total time)

                   =      (10 miles)  /  (1.25 hours)

                   =       (10 / 1.25)  miles/hours 

                   =          8 miles per hour
4 0
3 years ago
You are on a 5.6-mile run and have already run 1.98 miles. How many more miles do you need to run?
Likurg_2 [28]

Answer:

3.62 miles need to be run

4 0
3 years ago
Read 2 more answers
Can someone help me please
defon

Answer:

181.25 square feet

1/6 quart water

1/18 cup milk

1/3 beef bouillon cube, and 2/3 a large carrot

Step-by-step explanation:

5 0
3 years ago
The price of grapes at the grocery store is $1.44 per pound. There are approximately 0.45 kilograms in a pound. To the nearest c
Arlecino [84]

1 lb / 0.45 = 2.22

 so approximately 2.22 kilograms per pound

 divide price per pound by kilometers per pound

1.44 / 2.22 = 0.648

 round to 0.65, so it costs $0.65 per kilogram

3 0
3 years ago
Other questions:
  • Select the correct answer from the drop-down menu find the surface area of this triangular prism
    12·1 answer
  • 2logxbase5 3logybase3=8 <br> and <br> 6logxbase5 2logybase3=2 <br> solve silmultaneously
    12·1 answer
  • I need help with numbers 5&amp;6
    8·1 answer
  • Help me with this question
    10·1 answer
  • A negative number divided by a positive number will yield a<br>number.​
    15·1 answer
  • Movie tickets for 2 adults and 3 children cost $44.50. Tickets for the same movie cost $25.50 for 1 adult and 2 children. (a) Le
    10·1 answer
  • Help Please!!!! I'm Going To Get A Test Tomorrow On This And Ion Know How To Do These
    5·2 answers
  • Only a 2 minute job pls help ;/ even if u can only do 1 it wud be gladly appreciated
    15·1 answer
  • Fill in the blank. Given below, you can conclude that OD is congruent to _______.
    6·1 answer
  • The numbers 8,x,9 and 36 are in proportion.Find x​
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!