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
inysia [295]
3 years ago
15

When you write a numerical expression how can you show which operation to do it first?

Mathematics
1 answer:
kenny6666 [7]3 years ago
7 0

Answer:

parentheses come first

Step-by-step explanation:

Parentheses are symbols that group things together. This becomes very important in numerical expressions, because operations inside parentheses are always completed first when evaluating the expression. Let's review the order of operations. You can see that, according to the order of operations, parentheses come first.

You might be interested in
QUICKLY PLEASE HELP!!!!!!!!!!!!!!
marishachu [46]
D you only need that much
8 0
3 years ago
Read 2 more answers
400 is ten times as much as
Mrrafil [7]
40
Try dividing 400 by ten you'll get 40 (or just remove a zero or decimal point to the left when dividing by 10)
3 0
3 years ago
Polly planted a magnolia in her front yard. When she planted the tree it was 8 feet tall. Every 2 year. She measured the height
kompoz [17]

Answer:

Y = 2.5X + 8

Y: height (in feet)

X: time (in years)

Step-by-step explanation:

Height = 8 + 5(t/2)

= 8 + 5t/2

Height = 8 + 2.5t

Y = 2.5X + 8

6 0
3 years ago
What is 1 over 2 mean?
Debora [2.8K]

Answer:

One out of two, or half.

3 0
3 years ago
Read 2 more answers
Your medical research team is investigating the standard deviation of the cost of a 30-day-supply of a certain heart medication.
Valentin [98]

Considering the situation described, the hypothesis tested are given as follows:

  • The null hypothesis is H_0: \sigma \geq 23
  • The alternative hypothesis is H_1: \sigma < 23

<h3>What are the hypothesis tested?</h3>

At the null hypothesis, it is tested if the standard deviation is not less than $23, that is:

H_0: \sigma \geq 23

At the alternative hypothesis, it is tested if there is significant evidence t conclude that the standard deviation is less than $23, that is:

H_1: \sigma < 23

More can be learned about an hypothesis test at brainly.com/question/26454209

4 0
2 years ago
Other questions:
  • What are four equivalent expression of 36-9
    13·1 answer
  • 2/3 of a dollar is what?
    12·2 answers
  • a cell tower is located 2 miles east and 5 miles north of a small town. the cell tower has a coverage radius of 4 miles. A house
    7·1 answer
  • 1/2 9/10 4/5 which on e go first to put in lowest number on the left
    5·2 answers
  • 6 erasers cost $6.60. Which equation would help determine the cost of 3 erasers?
    8·2 answers
  • Help me
    13·2 answers
  • travis heart beats 17 times in 15 seconds. If he maintains this rate. how many times will it beat in 1min​
    13·1 answer
  • A business assistant must leave more than $50 in the supply account. There is $200 in the account. The assistant needs to order
    13·2 answers
  • What is the equation of the trend line in the scatter plot when y=6 and x=9
    14·1 answer
  • Graph the solution set for the inequality x-2/-3 ≤ -5/6
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!