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
Liula [17]
3 years ago
15

How to work it out now!!

Mathematics
1 answer:
hodyreva [135]3 years ago
3 0
4) Use the formula for the area of a trapezium. Consider what the possible range of the various numbers might be, given their reported value, and how changes in value affect the area.

The area will be in the interval [445, 455) cm^2.
The length of the shorter parallel side will be in the interval [17.5, 18.5) cm.
The length of the longer parallel side will be in the interval [21.5, 22.5) cm.
The area is given by
.. A = (b1 +b2)/2*h
.. h = 2A/(b1 +b2)

h will get smaller when A gets smaller, so we want to do our calculation with the minimum value of A, 445 cm^2.
h will get smaller when b1 and b2 get larger, so we want to do our calculation with the maximum values of those numbers, 18.5 and 22.5 cm.

The minimum value of h will be
.. h = 2*(445 cm^2)/(18.5 cm +22.5 cm) = 21.7 cm


5. In the worst case, the lorry is limited to a load of
.. (14.5 -2.35)/(.255) = 47 . . . . crates

This is computed as the minimum safe additional load divided by the maximum mass per crate.
You might be interested in
Please answer this correctly
Bezzdna [24]

Answer:

8/25

Step-by-step explanation:

The probability of picking a number less than 9 is 4/5.

The probability of picking an even number is 2/5.

4/5 \times 2/5

=8/25

6 0
3 years ago
Help wit 19 ASAP WILL MARK BRAINLIST
Alex_Xolod [135]

Answer:

m∠a = 60°

Step-by-step explanation:

Hi there,

Before answering this question, you should know that the sum of all the angles in a triangle will always be 180°. Therefore, we can write this equation to find the value of ∠a :

70° + 50° + m∠a = 180°

Solve for m∠a

120° + m∠a = 180°

m∠a = 60°

Hope this answer helps. Cheers.

7 0
3 years ago
Donovan is playing a word game with letter tiles. Players earn 10 points for every word they make with the tiles., plus 5 extra
qwelly [4]

Answer:

10w-3t+5

Step-by-step explanation:

3 0
3 years ago
Mohsin purchased a 30 ounce bag of dried Turkish figs for $11.40. What is the cost per pound?
valentinak56 [21]

Answer:

$6.08 per pound

Explanation:

30 ounce ⇒ $11.40

conversions:

  • 16 ounce ⇔ 1 pound
  • 1 ounce ⇔ 0.0625 pound

solve:

  • 0.0625(30) pound ⇒ $11.40
  • 1.875 pound ⇒ $11.40
  • 1 pound ⇒ $6.08
8 0
2 years ago
Read 2 more answers
Which ratio is equivalent to the rate<br> 8 meters<br> 1 second<br> ?
KIM [24]
A unit rate where one is in the Denometer, so you would want to divide the bottom by 10.
5 0
2 years ago
Other questions:
  • Evaluate the Logarithim<br><br> log6 1/36<br><br> base 6<br><br> I need steps please.
    5·2 answers
  • If we inspect photocopy paper by randomly drawing 5 sheets without replacement from every pack of 500, what is the probability o
    12·1 answer
  • Solve the system of equations using the substitution method.
    8·2 answers
  • Ever since an automobile started to have a mechanical problem, every time it has burned a gallon of gasoline, it has traveled on
    9·1 answer
  • A 19-foot piece of string is cut into two pieces so that the longer piece is 4 feet longer than twice the shorter piece. If the
    14·1 answer
  • Round 751446 to the nearest hundred thousand
    12·1 answer
  • Rewrite the logarithm as an exponential equation: <br> In(X)= 7
    14·1 answer
  • Two vertices of an equilateral triangle are located at (2, 0) and (–2, –3). What is the triangle’s perimeter?​
    11·1 answer
  • Solve for u.<br><br> 4u = 16u + 3(–3u − 5)<br><br> u =
    8·2 answers
  • 5 (15pts, 5pts each) In △ABC below, ED = 6 cm, EC = CB, and AC ⊥ BE . If AC = 12 cm and AB = 13 cm:
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!