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
Semenov [28]
2 years ago
8

Help me please and thank you , 7th grade math

Mathematics
1 answer:
Oxana [17]2 years ago
5 0

Step-by-step explanation:

1. we know

area = πr²

a/q

22/7 × (50)²

22/7 × 2500

55000/7

7857.14

therefore, option c is correct

You might be interested in
Question 7 (1 point)<br> Solve: 8x = 56
Hunter-Best [27]

Answer:

x = 7

Step-by-step explanation:

8x = 56

To solve this, we must simplify. To do this, we must divide each side by 8. This, in term, will give us the value of x.

8x = 56

----    ----

8       8

56/8 = 7

x = 7

Our answer is x = 7

5 0
3 years ago
The lengths of salamanders have a normal distribution with mean 15cm, and standard deviation 2cm. What length of salamander woul
Law Incorporation [45]

Answer:

16.68 cm

Step-by-step explanation:

Given that :

Mean , m = 15

Standard deviation, s = 2

Length of salamander that would Place it at 80% of salamander length :

P(Z ≤ x) = 0.8

Zscore equivalent to 0.8 = 0.842

Using the relation :

Zscore = (x - m) /s

0.842 = (x - 15) / 2

1.684 = x - 15

Add 15 to both sides

1.684 + 15 = x - 15 + 15

16.684 = x

Hence, x = 16.68 cm

4 0
3 years ago
48 kilometers in 3 hours =
Genrish500 [490]
16 kilometer an hour
6 0
3 years ago
Read 2 more answers
Giving BRAINLEST PLEASE I NEEDA PAST MATH!
Kisachek [45]

Answer:

Step-by-step explanation:

= - 7

Upgrade to Premium

4 0
3 years ago
Read 2 more answers
BRAINLIEST!!
aleksandrvk [35]
She will buy a new car.

Given p—>q and p, this means that q is true. This is because if p is true then q has to be true too. A statement when true implies false is false.
7 0
3 years ago
Other questions:
  • Which of the following does not represent fair game?
    14·1 answer
  • Truncate the decimal expansion of 15 to find the best approximation. A) 2.4 &lt; 15 &lt; 2.5 B) 2.46 &lt; 15 &lt; 2.47 C) 2.46 &
    15·2 answers
  • Pyramid A is a square pyramid with a base side length of 12 inches and a height of 8 inches. Pyramid B has a volume of 20,736 in
    8·2 answers
  • Evaluate f(x)=-7x+3 when x=-2, x=0, and x=5
    12·1 answer
  • What is the first start in estimating 56×27
    7·2 answers
  • Bidmas 7+8 divided 5-2
    13·2 answers
  • Could some one help me plz
    6·1 answer
  • After purchasing a home for $160,00 the homeowner noticed the suggested value of her house was depreciating by 5% each year.
    6·1 answer
  • ASAP HELP<br> 10.Simplify the following expression: 2n+4-0.3n-3
    14·1 answer
  • Write the inequality shown by the graph with the boundary line. <br><br> y =?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!