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
Whitepunk [10]
3 years ago
5

Use estimation to determine which of the following expressions is greater. Explain how you got your answer. 5 × (1.9 + 3.15) and

6.9 × (0.2 +3.2)
Mathematics
2 answers:
Anna007 [38]3 years ago
8 0
The first parenthesis go first
Sonja [21]3 years ago
5 0
The first one is greater. Adding 3.2 and 0.2 is easy! It's 3.4! Make that 3. Make 6.9, 7. 7×3=21. For the first one, make 1.9, 2. Then Make 3.15, 3. 5×5=25. That is why the first one is greater.
You might be interested in
You are looking at comparable houses with the same asking prices in neighboring towns. The mill rate in the first town is 20 mil
zalisa [80]
C) is the answer!!!!!!!
3 0
2 years ago
What is thr answer of (a-b) (a+2b)​
kari74 [83]

Answer:

Step-by-step explanation:

Use FOIL method

F -> First

O Outside

I inside

L Last

(a - b)(a + 2b)= a*a + a *2b + (-b)*a + (-b)*2b

                     = a² + <u>2ab - ab</u> - 2b²

Combine like terms

                       = a² + ab - 2b²

3 0
2 years ago
Solve for H<br><br> 19+4H=1-5H
Jobisdone [24]
19=1-5h-4h
19-1=-5h-4h
18=-9h
18/-9=h
h=-0.5
7 0
3 years ago
Taylor is looking to make herself a ham and cheese sandwich she uses 1/4 slice of cheese and a 1/2 rolls of ham in her sandwich
Virty [35]

Answer:

2 1/2 rolls of ham

Step-by-step explanation:

Break down the question. 1/4 is for 1 slice of cheese. So if she is going to use 1 1/4 now. That means that would be equal to 5 slices of cheese. Now look at the ham. It allows you to start with 1/2 rolls of ham. To make it equal to the 5 slices of cheese. You will do add 1/2 together 5 times. Adding 1/2 and 1/2 is 1. So if you do that another two times. Its now 2. Add one more 1/2 now you have 2 1/2.

7 0
3 years ago
Read 2 more answers
Find cos(2* angle ABC) 100 POINTS
Simora [160]

Answer:

3/5

Step-by-step explanation:

We need to use the trig identity that cos(2A) = cos²A - sin²A, where A is an angle. In this case, A is ∠ABC. Essentially, we want to find cos∠ABC and sin∠ABC to solve this problem.

Cosine is adjacent ÷ hypotenuse. Here, the adjacent side of ∠ABC is side BC, which is 4 units. The hypotenuse is 2√5. So, cos∠ABC = 4/2√5 = 2/√5.

Sine is opposite ÷ hypotenuse. Here, the opposite side of ∠ABC is side AC, which is 2 units. The hypotenuse is still 2√5. So sin∠ABC = 2/2√5 = 1/√5.

Now, cos²∠ABC = (cos∠ABC)² = (2/√5)² = 4/5.

sin²∠ABC = (sin∠ABC)² = (1/√5)² = 1/5

Then cos(2∠ABC) = 4/5 - 1/5 = 3/5.

8 0
3 years ago
Read 2 more answers
Other questions:
  • Hours scores in relation to homework
    13·1 answer
  • Classify the polynomial.<br><br> 3r^5-2r^2+5r
    5·1 answer
  • I need to know what the answer is for question 4 that says which is the greatest common factor of 36 and 54
    8·2 answers
  • A company with n employees publishes an internal calendar, where each day lists the employees having a birthday that day. What i
    12·1 answer
  • R-32=2 please Help me on this
    12·1 answer
  • Help will mark Brainliest graph is then show me a pic pls
    10·1 answer
  • Need help fast plss will give brainliest to who is correct plss help
    7·1 answer
  • PLEASE HELP THIS IS DUE IN 10 MINUTES!!!!!
    13·2 answers
  • What is the solution to the equation 4 + = 6? y = 1 y = 4 y = 500 y = 2000
    8·1 answer
  • ( − 1 . 15 ) ⋅ 3 . 2 <br> find the product and explain how you got it
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!