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3 years ago

ANSWER THIS QUESTION AND YOU WILL GET BRIABLIST PLEASE HUREY

Mathematics

2 answers:

hjlf3 years ago

4 0

Answer:

16 9/25 then 13/25 then 7/20 then -0.36

eimsori [14]3 years ago

3 0

Answer:

16 9/25, 13/25, 7/20, -0.36

Step-by-step explanation:

Thses are the numbers from the greatest to least 

PLEASE DO MARK ME AS BRAINLIEST IF MY ANSWER IS HELPFUL ;) 

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Can someone answer this question please?

Mekhanik [1.2K]

Steps:
1. calculate the values of y at x=0,1,2. using y=5-x^2
2. calculate the areas of trapezoids (Bottom+Top)/2*height
3. add the areas.

1.
x=0, y=5-0^2=5
x=1, y=5-1^2=4
x=2, y=5-2^2=1
2.
Area of trapezoid 1 = (5+4)/2*1=4.5
Area of trapezoid 2 = (4+1)/2*1=2.5

Total area of both trapezoids = (4.5+2.5) = 7

Exact area by integration:
integral of (5-x^2)dx from 0 to 2
=[5x-x^3/3] from 0 to 2
=[5(2-0)-(2^3-0^3)/3]
=10-8/3
=22/3
=7 1/3, slight greater than the estimation by trapezoids.

8 0

3 years ago

Which expression is NOT equivalent to the others?

Wewaii [24]

Answer:

the first expression

Step-by-step explanation:

8 0

4 years ago

Read 2 more answers

The probability that both of two tossed coins will come down heads is _____. 1/4 1/8 1/16

Elza [17]

The probability of getting heads with both coins being tossed is 1/4. The probability of getting a heads on one coin is 50% (or 1/2) since there is only two possible outcomes, heads or tails. When you factor in two coins, you have to multiply the probabilities together, 1/2 x 1/2, which is how you get the answer of 1/4 or 25%. Another way to reinforce this is that there are 4 possible outcomes to the flips. You could get a heads-heads, tails-heads, heads-tails, or tails-tails. Getting the heads-heads result is 1 out of 4 or 1/4 (25%).

8 0

3 years ago

Converting units is always an exercise in linear relationships. how many inches is 2.50 m? (2.54 cm=1.0 inch)

madam [21]

There are 98.4252 inches in 2.50m.

Unit Conversion is defined as a process that involves multiplication and division by a numerical factor or a particular conversion factor.

For Example .Convert 2m into cm.

As we know that 1m=100cm

multiplying both sides by 2 we get

2m = 200 cm.

According to the question

It is given that 2.54 cm = 1 inch

$1cm = \frac{1}{2.54} inch$

$100cm=\frac{100}{254} inch$

$1m = \frac{100}{2.54}$ ( as 100cm = 1m)

we need 2.50 m So we multiply both sides by 2.50

$2.50m=\frac{2.50*100}{2.54} \\\\ 2.50m=\frac{250}{2.54}$

$2.50m=98.4252 inch$

Therefore , there are 98.4252 inches in 2.50m.

Learn more about Unit Conversion here brainly.com/question/14523259

#SPJ4

8 0

2 years ago

Instructions for a craft project say that the length of a piece of red ribbon should be 7inches than the length of a piece of bl

sergeinik [125]

Question:

Instructions for a craft project say that the length of a piece of red ribbon should be 7 inches less than the length of a piece of blue ribbon.

How long is the red ribbon if the length of the blue ribbon is:

10 inches?

27 inches?

x inches?

Answer:

a) Length of red ribbon is 3 inches

b) Length of red ribbon is 20 inches

c) Length of red ribbon is (x - 7) inches

Solution:

Given that,

The length of a piece of red ribbon should be 7 inches than the length of a piece of blue ribbon

Therefore,

Length of red ribbon = length of blue ribbon - 7 ---- eqn 1

We have to find the length of red ribbon if the length of the blue ribbon is:

a) length of blue ribbon = 10 inches

Therefore, from eqn 1,

Length of red ribbon = 10 - 7

Length of red ribbon = 3

Thus length of red ribbon is 3 inches

b) length of blue ribbon = 27 inches

Therefore, from eqn 1,

Length of red ribbon = 27 - 7

Length of red ribbon = 20 inches

c) length of blue ribbon = x inches

Therefore, from eqn 1,

Length of red ribbon = x - 7

Thus length of red ribbon is (x - 7) inches

4 0

3 years ago