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Deffense [45]
3 years ago
14

The maximum safe load of a bridge is 1500kg to the nearest 10kg. An average soldier is 75kg to the nearest kilogram. Work out an

estimate for the maximum number of soldiers that can safely cross the bridge at the same time
Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
5 0
<h2>i cant answer it without text sorry. i just cant see the question :(</h2>
You might be interested in
Integrate sec x ( sec x + tan x ) dx
il63 [147K]
<span>  by taking integral we get
integral sec(x) (tan(x)+sec(x)) dx
applying integral we get
 sec(x) (tan(x)+sec(x)) gives sec^2(x)+tan(x) sec(x)
  = integral (sec^2(x)+tan(x) sec(x)) dx Integrate the sum term by term
= integral sec^2(x) dx+ integral tan(x) sec(x) dx For the integrand tan(x) sec(x), now we will use substitution

substitute u = sec(x) and du = tan(x) sec(x) dx
 = integral 1 du+ integral sec^2(x) dx The integral of sec^2(x) is tan(x)
 = integral 1 du+tan(x) The integral of 1 is u
 = u+tan(x)+constant
 Substitute the value of u which is  equal to 
 = sec(x):
 so our conclusion is 
:tan(x)+sec(x)+constant
hope this helps</span>
8 0
3 years ago
Cecilia made an envelope to mail a letter. She colored the regular trapezoid flap on the bottom of the envelope blue,
Katen [24]

Answer:

14 inch ^2

Step-by-step explanation:

Area of a trapezium= (a+b) 2 times h

so side a= 5 inches

    side b= 9 inches

then times by 2 times the height (2)

you can rearrange the formula to this- a + b/ 2 times height.

5+9/2 times 2= 14

I hope this helps, have a lovely day.

8 0
2 years ago
Find the Range of the graph
givi [52]

Answer: Range is a set/group of y-value points of a function. If/when the dot is filled in, the number is included in the set. This is signified by a bracket []. If/when the dot is not filled in, the number is not included in the set. This is signified by a parentheses (). The range of this graph is [4,-9).

:)

3 0
3 years ago
Help Pls...............................................
valentinak56 [21]

Answer: 38,200,000


Step-by-step explanation: just do 3.83e+7=38,200,000


3 0
3 years ago
If p(x)=2x^2-4x and q(x)=x-3 what is (p*q)(x)
Tanya [424]

Answer: 2x³-10x²+12x or 2x(x²-5x+6)

Step-by-step explanation:

(p*q)(x) means p(x) and q(x) multiplied together.

(2x²-4x)(x-3)

2x³-6x²-4x²+12x

2x³-10x²+12x

You can also factor this by taking out a 2x.

2x(x²-5x+6)

4 0
3 years ago
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