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
iren2701 [21]
3 years ago
11

Find the value of x. Round your answer to the nearest tenth. (One number after the decimal.)

Mathematics
2 answers:
nadya68 [22]3 years ago
5 0

Answer:

x = ~8.9

Step-by-step explanation:

a^2 + b^2 = c^2

c is the long side

a and b are the other two shorter sides

this means

x^2 + 19^2 = 21^2

x^2 + 361 = 441

x^2 = 441- 361

x^2 = 441- 361

x^2 = 80

square root of 80 = ~8.9

x = ~8.9

Artist 52 [7]3 years ago
3 0

Answer:

8.9

Step-by-step explanation:

4\sqrt{5}=8.9444

rounded = 8.9

You might be interested in
N the spring of 2008, petrol cost £1.029 per litre in london. on the same day, the exchange rate was $1 = £0.497. what was the p
Dmitriy789 [7]

1 liter of petrol in London costs £1.029

Since 1 gallon consist of 3.7854 liters, the cost of 3.7854 liters is calculated as:

Cost of 1 gallon of petrol in London = 3.7854*1.029 =£3.8951766

Next, we convert the pounds (£) to dollar($)

Since the exchange rate is 1$ =£ 0.497

£3.8951766 in $ = £3.8951766/£ 0.497 = 7.837$

The price of London petrol in dollars ($) per gallon =$7.84 (Rounded to nearest cents)


3 0
3 years ago
What equation represents the line that passes through the points (-3 7 and (3 3?
dexar [7]


<span>Hello : let  A(-3,7)    B(3,3)
the slope is :   (YB - YA)/(XB -XA)
(3-7)/(3+3)  = -2/3
an equation is : y=ax+b     a is a slope</span>

y = (-2/3)x +b

 

the line through point B (3,3) :  3 = (-2/3)(3)+b<span>
<span>b =5 
the equation is : y =(-2/3)x+5</span></span>

3 0
3 years ago
Can someone please help me with the last 3
mash [69]

Answer:

its pretty complicated

Step-by-step explanation:

4 0
3 years ago
The double number line shows that 4 pounds of tomatoes cost $14. How much does it cost for 1 pound of tomatoes
Anton [14]

Answer:

3.5

Step-by-step explanation:

You would do 14 divided by 4.

1pound =3.5

4 0
3 years ago
Read 2 more answers
How many one-fifths pieces of pizza are in 5 pizzas
SSSSS [86.1K]
10 1/5 times 5/1 add the zero
5 0
4 years ago
Read 2 more answers
Other questions:
  • Analyze the columns below and complete the instructions that follow. Column A Column B The slope of the line through the points
    12·1 answer
  • answer letter B I get confused to add or subtract like a different strategy thanks guys whoever answer this sorry if I said than
    9·1 answer
  • At the city museum child admission is $5.70 and the adult admission is $9.60 on Thursday,186 ticket were sold for a total sales
    11·1 answer
  • 25p+40q=375<br> Solve for p and q?
    14·1 answer
  • The table shows data for orders of cheese. Multiply each number of pounds of cheese in the table below by its frequency.
    14·2 answers
  • PLEASE HELP!!<br><br><br>I will give brainliest!
    12·1 answer
  • 1. Greg buys(21 bags of nails. Each bag has85 nails in it. Greg
    11·1 answer
  • Pls help me whoever give me an correct answer they will receive a brainiest
    15·1 answer
  • Inspired by zoom, you want to determine whether there are significant differences in the satisfaction of couples that had their
    7·1 answer
  • 30 POINTS. Ally is given three different sums of the same sequence to calculate. If she completes the three problems in order do
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!