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
Lady bird [3.3K]
2 years ago
15

Solve the expressions when a = 9 and b = -3. Enter your answers in the boxes below.

Mathematics
1 answer:
lys-0071 [83]2 years ago
5 0

Answer:

A.27

B.6

Step-by-step explanation:

A. -3(9)=27

B.9/-3+9=-3+9=6

Plug in what its says a and b is equal to

You might be interested in
Mr. Mayntz's math class is made up of 29 students. Some of the students are male
zaharov [31]

Answer:

Statements 2 and 3.

Step-by-step explanation:

The first statement is impossible since you cannot have half a person. The last statement is also incorrect, because it would imply that the total number of students in the class is -29. The second statement is correct, if you assume that x and y represent either the number of male or female students. The third statement is possible, and the numbers add up to 29. Finally, the fourth statement is impossible because it would imply that the class had negative male students. Hope this helps!

5 0
3 years ago
Is -7 greater than -4​
antiseptic1488 [7]
No you’re welcome :)
5 0
3 years ago
Read 2 more answers
Consider the following hypothesis test: H 0: 20 H a: < 20 A sample of 50 provided a sample mean of 19.4. The population stand
goblinko [34]

Answer: p-value is 0.016.

Step-by-step explanation:

Since we have given that

H_0:\mu=20\\\\H_a:\mu

Sample mean = 19.4

Sample size n = 50

Standard deviation = 2

We need to find the test statistic value which is given by

z=\dfrac{\bar{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\\\\\\z=\dfrac{19.4-20}{\dfrac{2}{\sqrt{50}}}\\\\\\z=\dfrac{-0.6}{0.28}\\\\z=-2.14

p-value is given by

P(Z>Z_{critical})\\\\=P(Z>-2.14)\\\\=0.016

Hence, p-value is 0.016.

8 0
3 years ago
What is the range of the function y = x 2?
garik1379 [7]

Answer:

The range of the function y = x2 is all real numbers, y, such that y ≥ 0. In the case of the function y = x2, the domain consists of all real numbers, because there is no number that, when plugged in for x into x2, would create an undefined expression.

Step-by-step explanation:

7 0
3 years ago
Mrs. Taylor bought a water tube to pull behind her boat. The tube cost $87.00 and 9% sales tax was added at the register. Mrs, T
wel
... cost $87.00 and 9% sales tax was added at the register. ms.taylor gave the cashier five $20 bills. how much change should she have received ...
6 0
3 years ago
Other questions:
  • Which of the following is an advantage of pure capitalism?
    7·1 answer
  • Maria is planning a party. Nancy, her friend, suggest that she should order three pizzas for every seven people. If she is expec
    8·1 answer
  • Petra’s electricity supply company charges her a fixed quarterly sum plus a rate per unit for electricity used. In the most expe
    5·2 answers
  • Help and show steps for 2 and 4 :)
    5·1 answer
  • Like segment AB is divided by point C in the ratio of 1:3
    12·1 answer
  • Rewrite the following in the form
    5·1 answer
  • Craig likes to collect records. Last year he had 10 records in his collection. Now he has 11 records. What is the percent increa
    12·1 answer
  • There are 32 different bowls of ice cream at an ice cream parlor. How many ways can you select three of them for a bowl of ice c
    12·1 answer
  • If the perimeter of the polygon below is 52 ft, solve for x, and identify the length of each side in the corresponding spaces be
    6·1 answer
  • The sales tax rate is 8% how much money is 8% of $14
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!