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
Alexxandr [17]
3 years ago
13

Subtract -21 from 30

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
6 0

Answer:

-9

Step-by-step explanation:

yu subtract 21 from 30 and and just add a negative before the answer

You might be interested in
Refer to your Expeditions in Reading book for a complete version of this text.
ahrayia [7]

Answer:

The 3rd one, The 1st one and The last one.

Step-by-step explanation:

6 0
2 years ago
A monk crossbred plants which can have purple or white flowers and obtained 511 plants with white flowers and 337 plants with pu
Zepler [3.9K]

Answer:

For purple;

P(p) = 337/848 = 0.40

For white;

P(w) = 511/848 = 0.60

Step-by-step explanation:

Given;

Number of plants with purple flowers P = 337

Number of plants with white flowers W = 511

Total T = 337 + 511 = 848

For purple;

the empirical Probability that a plant had purple flowers P(p) is

P(p) = Number of plants with purple flowers/total number of plants

P(p) = P/T

Substituting the values, we have;

P(p) = 337/848 = 0.40

For white;

the empirical Probability that a plant had white flowers P(w) is

P(w) = Number of plants with white flowers/total number of plants

P(w) = W/T

Substituting the values, we have;

P(w) = 511/848 = 0.60

4 0
3 years ago
Solve for X
Phantasy [73]

Answer:

x = 48

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

156° is an exterior angle of the triangle, then

108 + x = 156 ( subtract 108 from both sides )

x = 48

4 0
3 years ago
PLEASE SOMEONE HELP A LOT OF POINTS!!
Tresset [83]

Answer:

-5 or -3

Step-by-step explanation:

correct me if im wrong

PLEASE GIVE ME BRAINLEST I WORK HARD

4 0
3 years ago
Read 2 more answers
Find the dimensions of a rectangle whose perimeter is 22 meters and whose area is 28 square meters
kondaur [170]
You can solve this by finding all of the factors of 28 and seeing which ones add up to 22 when doubled.

The factors of 28 are as follows:

28 x 1      28(2) + 1(2) = 56 + 2 = 58 ≠ 22
14 x 2      14(2) + 2(2) = 28 + 4 = 32 ≠ 22
 7 x 4         7(2) + 4(2) = 14 + 8 = 22

The dimensions of the rectangle are 4 x 7.


8 0
3 years ago
Other questions:
  • What
    11·1 answer
  • Please Help!!!
    15·1 answer
  • Linda won $200,000 in a state lottery. She first paid income tax on 30% on the winnings. She invested some of the rest at 1.5% a
    13·1 answer
  • An ice-skating competition lasted three days. Day one had an attendance of 16,390 people. Day two had an attendance of 16,550 pe
    14·1 answer
  • Factor the trinomial below.
    9·2 answers
  • There are 2.54 cm in 1 inch. they are 100 cm in 1 m, to the nearest meter, how many meters are in 474 inches
    11·1 answer
  • Find the midpoint of a and b when a has coordinates (-5,3) and b has coordinates (3,-1)
    6·2 answers
  • <img src="https://tex.z-dn.net/?f=%5Cfrac%20%7B%2018%20%5E%20%7B%20n%20%2B%201%20%7D%20%5Ctimes%203%20%5E%20%7B%201%20-%20n%20%7
    5·2 answers
  • Two boxes are similar. The longest dimension of the smaller box is 6 inches and its volume is 48 in3. The longest dimension of t
    7·1 answer
  • X ² + 4x + 1 = 0<br>Solve the quadratic equation by completing the square<br>​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!