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
Vinil7 [7]
3 years ago
12

If a=12 b=1 what is ab+20-b

Mathematics
2 answers:
Dmitriy789 [7]3 years ago
4 0

Answer:

31

Step-by-step explanation:

(12)(1) + 20 - (1)

12 + 20 - 1

32 - 1

31

Rus_ich [418]3 years ago
4 0

Answer:

12*1+20-1=12+19=31

Step-by-step explanation:

. ........

You might be interested in
For the acute angles in a right triangle,
Romashka [77]

Answer:

answer for this solution is 10 degrees

Step-by-step explanation:

sin x + cos x = 90

5x + 3x +10 = 90

x = 10

5 0
3 years ago
The point (3 , k) is a distance of 5 units from (0 , 1). Find the two possible values of k.
valkas [14]
D =√(x2-x1)^2 + (y2-y1)^2
......._____________
5 =√(3-0)^2 + (k-1)^2
.......__________
5 =√3^2 + (k-1)^2

25 = 9 + (k-1)^2

16 = k^2 - 2k + 1

k^2 -2k - 15 = 0

(k - 5)(k + 3) = 0

k - 5 = 0.....or.......(k + 3) = 0

k = 5.........or.......k = -3
7 0
3 years ago
Two students are interested in whether or not there is variation in their test scores for math class. There are 15 total math te
professor190 [17]

Answer:

H_0=\sigma_1 =\sigma_2

H_a=\sigma_1 >\sigma_2

Step-by-step explanation:

From the question we are told that

Number of math tests n=15

standard deviation 1 \sigma _1=38.2

standard deviation 1 \sigma _2=22.5

Generally given the two tailed test the null hypothesis is given as

H_0=\sigma_1 =\sigma_2

Generally given the two tailed test the null hypothesis is given as

H_a=\sigma_1 >\sigma_2

4 0
3 years ago
A caterer is preparing meals for a party of 78 guests. If about 1/4 of the guests want steaks, about how many steaks should the
Ann [662]
Answer:
You want to divide 78 by 4, so the answer will be 17.
And to check, 17x4=78, so it is correct.
4 0
3 years ago
0.1 is 10 times as much as
Serggg [28]
0.01.
To find the answer, just divide 0.1 by 10
3 0
3 years ago
Read 2 more answers
Other questions:
  • Dirk opened up a savings account with $600. At a yearly interest rate of 5 percent that is compounded monthly, how much interest
    15·1 answer
  • The ratio of pizzas to pie is 7:2 if there are 49 pizzas how many pies are there
    7·2 answers
  • Round this number to the nearest 10,000. 2,874,992
    6·2 answers
  • HELPPPP!!!! <br> Need the answer ASAP!!
    11·1 answer
  • In a random sample of 400 people who were questioned regarding their participation in sports, 160 said that they did participate
    10·1 answer
  • A kite has four equal sides. If 5 inches is
    5·2 answers
  • Solve for m:<br> -3(1 – 5m) = — 38 + 8m
    5·2 answers
  • Using π = 3.14, what is the circumference of a circle with a diameter of 28 units?
    13·1 answer
  • Whitney buys a coffee in a cylindrical cup with a cardboard sleeve so the cup isn’t too hot to hold. If the diameter of the slee
    7·1 answer
  • It takes jackie 2 hours to make 9 bracelets how many bracelets can she make in 8 hour's?​
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!