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
ziro4ka [17]
3 years ago
14

Pls answer 20 points

Mathematics
1 answer:
prisoha [69]3 years ago
7 0

Answer:

31.6

Step-by-step explanation:

l^2+w^2=d

30^2+10^2=1,000

square root of 1000 is 31.6

You might be interested in
Four gallons of paint are used to paint 25 chairs. If each chair used the same amount of paint, how many gallons are used to pai
ella [17]
You have to do 25 divided by 4, which is 6.35.
5 0
3 years ago
Read 2 more answers
The explicit rule for a sequence is an=5(−2)^n−1
Murrr4er [49]

Answer:

3) a_n=-2a_{n-1}, a_1=5

Step-by-step explanation:

Given that the explicit rule for a sequence is a_n=5(-2)^{n-1}.

Now we need to find about what is the recursive rule for the sequence and match with the given choices to find the correct choice.

1) a_n=-2a_{n+1}, a_1=5

2) a_n=-5a_{n+1}, a_1=2

3) a_n=-2a_{n-1}, a_1=5

4) a_n=-5a_{n-1}, a_1=2

Plug n=1 into given formula to get first term

a_n=5(-2)^{n-1}

a_1=5(-2)^{1-1}=5(-2)^{0}=5(1)=5

base of the exponent part is (-2) so that means we need to multiply -2 to the previous term to get nth term

Hence correct choice is: 3) a_n=-2a_{n-1}, a_1=5

7 0
3 years ago
Apply the laws of exponents, calculate the result and express the result in scientific notation, and as a decimal: (8.1*10^-4)^2
AfilCa [17]
<h3>Answer:</h3>
  • the result in scientific notation is 6.561×10⁻⁷
  • the result as a decimal is 0.000 000 656 1
<h3>Explanation:</h3>

The rules of exponents say the exponent outside parentheses applies to each factor inside parentheses.

... (8.1*10^-4)^2 = 8.1^2 × (10^-4)^2

... = 65.61 × 10^-8

... = 6.561 × 10^-7 . . . . adjust to scientific notation with one digit left of the decimal point

The exponent of -7 means the decimal point in the decimal number is 7 places to the left of where it is in scientific notation. That is ...

... 6.561 × 10^-7 = 0.0000006561

4 0
3 years ago
Find the value of x.<br> 50
Mariana [72]

Answer:

x = 18 degrees

Step-by-step explanation:

50 - 32 = 18

7 0
2 years ago
Read 2 more answers
7. The value of y varies directly with x, and y = 8 when x = 2.<br> Find y when x = 10.
lesya692 [45]
Y= 40 explanation don’t want to just trust me it’s 40
4 0
3 years ago
Other questions:
  • Please help! (The third one is not supposed to be selected)
    8·1 answer
  • Pam has 3 4/5 cups of milk. She wants to make muffins and needs 2/3 of a cup of milk for each batch. How many batches of muffins
    7·1 answer
  • What is an equivalent expression for parentheses 1793 parentheses parentheses 7 x 70
    8·1 answer
  • 5 (r-10)= -51 what is r
    8·1 answer
  • If f (x) = StartRoot one-half x minus 10 EndRoot + 3, which inequality can be used to find the domain of f(x)?
    9·2 answers
  • ZDAC = ZBAD.
    6·1 answer
  • First try was incorrect
    15·1 answer
  • 2v=x+40t solve for v<br>​
    15·1 answer
  • In ΔQRS, the measure of ∠S=90°, the measure of ∠Q=31°, and RS = 27 feet. Find the length of SQ to the nearest tenth of a foot.
    11·1 answer
  • What is the arc length for a central angle of 120° on a circle with radius 5 units?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!