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
mart [117]
4 years ago
5

Simplify: 42x^7-(-11x^7)

Mathematics
2 answers:
vodka [1.7K]4 years ago
8 0

Answer: 53x^7

Step-by-step explanation:

Subtracting a negative is like adding.

bija089 [108]4 years ago
7 0
53x^7 is the answer.
Since two negatives equal a positive 42 +11 = 53, so just add the exponent back which would be 53x^7.
You might be interested in
A department store sells logo shirts at an original price of $20. Every month that a shirt doesn’t sell, the store reduces the s
Tasya [4]
Given:
Original price = 20
reduces selling price by 25% every month it's not sold.

First markdown month:
20 * (100%-25%) = 20 * 75% = 15

Second markdown month
15 * 75% = 11.25

Macy, employee gets a 50% discount off the current price.
11.25 * 50% = 5.625
11.25 - 5.625 = 5.625 or 5.63

The pre-tax price of the shirt for Macy will be $5.63
3 0
3 years ago
Read 2 more answers
The formula F = 1.8C + 32 gives the temperature in degrees Fahrenheit (F) for a given temperature in degrees Celsius (C). There
11Alexandr11 [23.1K]

Answer:

-40 °F = -40 °C

Step-by-step explanation:

(1) F = 1.8 C + 32

If the Fahrenheit and Celsius temperatures are the same, then

(2)        F = C     Substitute (2) into (1)

            C = 1.8C + 32     Subtract 1.8 C from each side

C – 1.8 C = 32                   Combine like terms

    -0.8C = 32                   Divide each side by -0.8

          C = -32/0.8

(3)      C = -40                  Substitute (3) into (1)

         F = 1.8(-40) + 32

         F = -72 + 32

        F = -40

So, -40 °F = -40 °C

The thermometer below shows that -40 °F = -40 °C.

7 0
4 years ago
Question 7
saw5 [17]

Answer:

I'm pretty sure that'd be 8567

3 0
3 years ago
0.5 ft<br> 0.4 ft<br> 0.8 ft<br> Area of base =
beks73 [17]

Answer:

it may can be 0.16 ft

Step-by-step explanation:

0.5 x 0.4 = 0.2

0.8 x 0.2 = 0.16

7 0
3 years ago
Read 2 more answers
a costumer buys 17.01 in gas and requests one five dollar ticket, two one dollar tickets, and one three dollar ticket. he gives
marin [14]

The customer gives you:
-- a  ticket worth . . . . . . 5
-- a ticket worth. . . . . . . 2
-- a bill. . . . . . . . . . . . 100
               ------------------------
-- Total. . . . . . . . . . . . 107

You give the customer:
-- gas worth . . . . . . . . 17.01               
-- a ticket worth . . . . . . 5
-- two $1 tickets worth . 2
-- a ticket worth . . . . . . 3
            ------------------------------
-- Total . . . . . . . . . . . . 27.01

In order to make the trade even, you owe the customer

                               (107.00  -  27.01)  =  <em>$79.99 more
</em>
<em>
</em>You could give it to him in the form of some combination of magazines,
soda, cigarettes, gum, newspapers, motor oil, car deodorizers, candy
bars, washer fluid, anti-freeze, etc.  But he'd be there all day trying to
decide what he wants and making it all add up to exactly $79.99, and
there's a long line of other customers waiting behind him.

That's the beauty of cash money.  You can count out exactly the proper
amount, it only takes a few seconds and bada-bing, he's out of there and
back on the road.

8 0
4 years ago
Other questions:
  • Suppose​ that, when taking a random sample of three​ students' GPAs, you get a sample mean of 3.90. This sample mean is far high
    10·1 answer
  • A recipe for fruit salad cost for three times as many apples as oranges what statement is true
    10·1 answer
  • Use breaking apart to find the product for 9 times 36
    14·2 answers
  • Nancy is 5 years younger than her brother Stan. Last year she was twice as young as he was. How old is each of them now?
    12·2 answers
  • Can someone pls help me on the last three!
    7·1 answer
  • Need help ASAP!!! Using postulate and/or theorems learned in unit 1, determine whether PQR MRN. Show all your work and explain w
    9·1 answer
  • Help please and hurry it’s time limited
    14·1 answer
  • Please help asap please
    12·1 answer
  • PLEASE HELP
    13·1 answer
  • At a coffee shop, the first 100 customers' orders were as follows. Smol Medium Large Hot 5 48 8 12 5 ll/ If we choose a customer
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!