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
elena-14-01-66 [18.8K]
3 years ago
9

A rectangular metal plate is measured to be 7.6cm long and 3.1cm wide, both correct to one decimal place.

Mathematics
1 answer:
ElenaW [278]3 years ago
5 0

Answer:

We know that the rectangular plate has measures of:

length = 7.6 ± 0.05 cm

width = 3.1 ± 0.05 cm

(the error is 0.05cm because we know that both measures are correct to one decimal place)

First, the upper bound of the length is equal to the measure of the length plus the error, this is:

L = 7.6 cm + 0.05 cm = 7.65 cm

The upper bound of the area is the area calculated when we use the upper bound of the length and the upper bound of the widht.

Remember that the area for a rectangle of length L and width W, is:

A = W*L

Then the upper bound of the area is:

A = (7.6cm + 0.05cm)*(3.1cm + 0.05cm) = 10.8 cm^2

You might be interested in
Circumference - Item 2838 Question 4 of 7
nevsk [136]
First, the formula of the circumference.

There are two formulas:
1. C = π*d
[Note: d = diameter]
2. C = 2*π*r
[Note: r = radius]
[Note: This symbol * means to multiply.]

Since we are given the diameter, it’s easier to use the first formula, π*d. Let’s not be too hard on ourselves.

Okay, so let’s state our decided formula:
C = π*d
Then replace d with the car tire’s diameter:
C = π*(32)
Afterwards, find a calculator and multiply π with 32. You will get 100.5309649 as result.

If where to round is stated in your question, round to that. If not, it’s best to round by two decimal places. In this case, we’ll round 100.5309649 to 100.53.

Please add your units as well. In this case, the final answer will be: 100.53 inches.

Since this is a word problem, don’t forget your final statement!

“The approximate circumference of the tire is 100.53 inches.”
7 0
3 years ago
2x^3y + 18xy - 10x^2y - 90y Part A: Rewrite the expression so that the GCF is factored completely.
KATRIN_1 [288]
2(x^3y+9xy-5x^2y-45y)
4 0
3 years ago
The simple interest earned on deposit of $3,000 at 6% for 5 years?
KIM [24]
$3900.................
5 0
3 years ago
Read 2 more answers
Please help! its due today!!
nekit [7.7K]

Answer:

14

Step-by-step explanation:

a=1

b=2

d=2

c=10

K+L = 10¹+2² = 10+4 = 14

3 0
3 years ago
Simplify the exponent 6^-3
damaskus [11]
1/216 is the simplest, but <span>0.00462962962 is more precise.</span>
5 0
3 years ago
Read 2 more answers
Other questions:
  • A formula is expressed as D= a(2+kt). Express k in terms of D,a, and t.
    7·1 answer
  • △ABC is similar to △XYZ. Also, side AB measures 6 cm, side BC measures 18 cm, and side XY measures 12 cm.
    13·2 answers
  • How do i solve 4(1-x)+3&lt;-2(x+1)
    10·1 answer
  • What is the least common multiple of 16, 24 and 30?
    12·2 answers
  • The total capacity of two large cups and two small cups is 1,500 milliliters. If the total capacity of one large cup and two sma
    7·1 answer
  • Weird math question.
    10·1 answer
  • Andrea needs a new air conditioning system<br>​
    14·1 answer
  • Help !!!!!!!!!!!!!!!!!!!!!!!!!
    9·1 answer
  • If X= 4 solve this equation: <br><br><br> 2x + 3=
    10·2 answers
  • What is the volume of the cylinder shown below?Use 3.14 as an approximation for π.
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!