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
tekilochka [14]
3 years ago
6

What is the value of the element at h21?

Mathematics
1 answer:
Marysya12 [62]3 years ago
8 0
I think that's the element on the second row and the first column  which is 15.
You might be interested in
How do I solve this finding the first four of the sequence?
irga5000 [103]

Answer:

Step-by-step explanation:

a(1) = -7 (given)

a(2) = a(1) + 4 = -7 + 4 = -3

a(3) = a(2) + 4 = -3 + 4 = 1

a(4) = a(3) + 4 = 1 + 4 = 5

and so on.

4 0
3 years ago
Read 2 more answers
The diameter of a meteorite in millimeters is calculated by four different methods. Order the results from least to greatest. Ex
grandymaker [24]

Answer:

√18, 13/3, 4.6, 4π

Step-by-step explanation:

joe = √18 = 4.24 mm

Lisa = 13/3 = 4.33 mm

Pablo = 4.6 = 4.60 mm

Julien = 4π = 12.56 mm

8 0
3 years ago
Select the correct product.<br><br> (x 2 + 4x + 8)(2x - 1)
marusya05 [52]

Answer:

\large\boxed{(x^2+4x+8)(2x-1)=2x^3+7x^2+12x-8}

Step-by-step explanation:

Use FOIL: <em>(a + b)(c + d) = ac + ad + bc + bd</em>

(x^2+4x+8)(2x-1)\\\\=(x^2)(2x)+(x^2)(-1)+(4x)(2x)+(4x)(-1)+(8)(2x)+(8)(-1)\\\\=2x^3-x^2+8x^2-4x+16x-8\qquad\text{combine like terms}\\\\=2x^3+(-x^2+8x^2)+(-4x+16x)-8\\\\=2x^3+7x^2+12x-8

7 0
3 years ago
Read 2 more answers
Due tonight please help me
amid [387]

Answer:

k=61, l=61, m58

Step-by-step explanation:

5x+21=2x+45

3x=24

x=8

5 0
3 years ago
Round to the nearest thousandth: 6.49993
zavuch27 [327]

Answer:

6.5

What is the Nearest 1000th?

Nearest thousandth is the third digit after the decimal point.

How to Calculate Rounding to the Nearest 1000th?

If the digit after thousandth is greater than or equal to 5, add 1 to thousandth. Else remove the digit. Example

124.5864

The fourth digit of right of decimal point is 4 which less than 5

So remove fourth digit

Result = 124.586

Step-by-step explanation:

Hope that helped

5 0
3 years ago
Other questions:
  • Jeff has already prepared 6 kilograms of dough and will continue preparing 1 kilogram of
    14·2 answers
  • Are similar and congruent the same? please explain your answer
    7·1 answer
  • Help me out plz.........<br>​
    8·2 answers
  • А
    15·1 answer
  • What is 86.69 rounded to the nearest dollar?
    7·2 answers
  • You are taking a multiple-choice test that has 7 questions. Each of the questions has 5 choices, with one correct choice per que
    11·1 answer
  • Z2 − 2 = 0 using the quadratic formula
    8·1 answer
  • Helppppppppppppp. a and b partttt​
    8·1 answer
  • Which if the following does not describe slope
    11·2 answers
  • Please help ASAP answering any it’s due at 11:15 thank you!
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!