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Veseljchak [2.6K]
3 years ago
5

The lateral area of the right regular triangular prism is 18cm2. find the total surface area. give your answer in decimal form r

ounded to 2 decimal places

Mathematics
1 answer:
lana [24]3 years ago
8 0
Sent a pic of the solution (s).

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a landscaper is fencing a triangular garden for a customer. if the fence has the dimensions shown,does triangular garden have ri
UkoKoshka [18]

Answer:

e

no, the numbers are not pythagoras triple

Step-by-step explanation:

find the complete question in the attached image

If the angle is a right angle would be determined using Pythagoras theorem

The Pythagoras theorem : a² + b² = c²

where a = length

b = base

c =  hypotenuse

20² + 10² =

400 + 100 = 500

500 is not equal to the square of 25

so it is not a right angled triangle

5 0
3 years ago
Use the Intermediate Value Theorem to show that there is a root of the given equation in the specified interval.ex = 8 − 7x, (0,
AnnZ [28]

Answer:

There is not root of the function 8-7x on the interval [0, 1].

Step-by-step explanation:

The Intermediate Value Theorem says:

<em>If f(x) is a continuous function on [a, b], then for every d between f(a) and f(b), there exists a value c in between a and b such that f(c) = d.</em>

This means that whenever we can show that:

  • there is a point above some line
  • and a point below that line, and
  • that the curve is continuous,

we can then safely say yes, there is a value somewhere in between that is on the line.

To show that there is solution 8-7x=0 between x = 0 and x = 1.

We evaluate the function at x = 0 and x = 1

f(0)=8-7(0)=8\\f(1)=8-7(1)=1

We know that

at x = 0, the line is above zero and

at x = 1 the line is above zero.

We also know that the function is continuous but because the line is always above zero there is no solution at the interval (0, 1).

We can check our work with the graph of the function.

4 0
4 years ago
A sample of 1500 people from a certain industrial community showed that 800 people suffered from a lung disease. A sample of 100
ss7ja [257]

Answer:

The probability that the difference of the proportions (industrial - rural) is greater than 0.2 is 0.7054

Step-by-step explanation:

Solution

Given that:

n₁ = 1500

x₁ = 800

p₁ =800/1500 =0.533

q₁ = 1- 0.533 = 0.467

Thus,

n₂ =1000

x₂ = 300

p₂ = 300/1000 = 0.3

q₂ = 1-0.3 =0.7

So,

p₁ - p₂ = 0.533 - 0.3

=0.233

Now,

SE (p₁ - p₂ ) =√0.533 * 0467/150 + 0.3 * 0.7/1000

=0.0613

So,

p ( p₁ - p₂  > 0.2

= p ( Ƶ > 0.2 - 0.233/0.0613

p = ( Ƶ > - 0.54)

= 0.7054

3 0
3 years ago
Find the missing value so<br> that the two points have a<br> slope of -13/2 (-2,y) and (0,-4
Art [367]

Answer:

y=9

Step-by-step explanation:

slope is (y2-y1)/(x2-x1), so we plug in the values. (-4-y)/(0 - (-2)). so we get -4-y/2 since zero minus negative 2 is positive 2. given the slope is -13/2, -4-y must be equal to negative 13. So we set an equation of -13 = -4 - y. We add 4 to 13, and get -9 = -y. We multiply each side by a -1, and we get y equals 9.

We can check this by plugging 9 back into our original slope equation. (-4-9)/(0-(-2) which gives us -13/2.

6 0
3 years ago
Chef Alonso is creating a recipe called Spicy Italian Chicken with the following ingredients: 3/4 pound chicken, 2 1/2 cups toma
Ganezh [65]
If u make 3/4 6/8 and 6/8 12/16 you can make 2 servings hope it helps
7 0
4 years ago
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