Which answer is the most reasonable estimation?Cylvia is making 100 sandwiches for a banquet. She makes 47 sandwiches. Then she takes a break and makes 22 more. About how many more sandwiches does Cyliva have to make?

A.about 80

B.about 40

C.about 70

D.about 30

Answers

Answer 1

Answer: the answer is c about 70.she has 69 left

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N a water treatment plant, water passes through a cone-shaped filter with a height of 4 m and a diameter of 9 m. The water flows from the filter into a cylinder below it. One full cone-shaped filter fills one-fifth of the cylinder.What are the dimensions of the cylinder? Use 3.14 to approximate pi.
A. h = 3 m; r = 3 m
B.h = 4.23 m; r = 5 m
C.h = 15 m; r = 6 m
D.h = 33.75 m; r = 2 m

Answers

Given:
Cone-shaped filter: height = 4m ; diameter = 9m
cylinder: one full cone-shape filter fills 1/5 of the cylinder

volume of the cone = π r² h/3 = 3.14 * (4.5m)² * 4m/3
V = 3.14 * 20.25m² * 1.33m
V = 84.57 m³

84.57 m³ ÷ 1/5 = 84.57 m³ * 5 = 422.85 m³ volume of the cylinder

Volume of cylinder = π r² h

Choice A: V = 3.14 * (3m)² * 3m = 3.14 * 9m² * 3m = 84.78 m³
Choice B: V = 3.14 * (5m)² * 4.23m = 3.14 * 25m² * 4.23m = 332.10 m³
Choice C: V = 3.14 * (6m)² * 15m = 3.14 * 36m² * 15m = 1695.60 m³
Choice D: V = 3.14 * (2m)² * 33.75 m = 3.14 * 4m² * 33.75m = 423.90 m³

The closest answer is Choice D. height = 33.75 m ; radius = 2 m

A tree casts a shadow 10 ft long. A boy standing next to the tree casts a shadow 2.5 ft long. The triangle shown for the tree and its shadow is similar to the triangle shown for the boy and his shadow. If the boy is 5 ft tall, how tall is the tree?

Answers

The tree will be 10ft tall if u multiply than divide

4. 9
whats the answer

Answers

Answer:5.0

Step-by-step explanation:

Choose the equation that could be used to find three consecutive integers whose sum is 36.n + (n + 2) + (n + 4) = 36

n + (n + 1) + (n + 3) = 36

n + (n + 1) + (n + 2) = 36

n + (n − 1) + (n − 3) = 36

Answers

Let

n--------> the first integer

n+1------> the second consecutive integer

n+2-----> the third consecutive integer

we know that

$n+(n+1)+(n+2)=36\n3n+3=36\n3n=36-3\n3n=33\nn=33/3\nn=11$

the numbers are

$11,12,13$

therefore

the answer is

The equation is $n+(n+1)+(n+2)=36$

n +(n+1) + ( n+2)=36
the third answer

Scientists use a form of shorthand call ____ to express very large or very small numbers?

Answers

Scientific notation. For example: 276 is the standard form of a number while 2.76 * 10^2 would be the same number in scientific notation.

For every increase of 1 on the Richter scale, an earthquake is 10 times more powerful. Which of the following models this situation?

a-linear function with a negative rate of change
b- linear function with a positive rate of change
c-exponential decay function
d-exponential growth function

answer-exponential growth function

Answers

The model that best describes this situation is an exponentialgrowthfunction.

The correct answer is option D.

What is a function?

A function has an input and an output.

A function can be one-to-one or onto one.

It simply indicated the relationships between the input and the output.

Example:

f(x) = 2x + 1

f(1) = 2 + 1 = 3

f(2) = 2 x 2 + 1 = 4 + 1 = 5

The outputs of the functions are 3 and 5

The inputs of the function are 1 and 2.

We have,

Exponential growth function

The given situation describes how the power of an earthquake increases exponentially with an increase in Richter scale magnitude.
Specifically, for every increase of 1 on the Richter scale, the earthquake is described as being 10 times more powerful.

This is characteristic of exponentialgrowth, where a quantity increases by a fixed proportion for each unit increase in another variable.

In this case,

As the Richter scale magnitude increases by 1, the power of the earthquake increases by a factor of 10, which is an exponentialgrowth relationship.

Therefore,

The model that best describes this situation is an exponentialgrowthfunction.

Learn more about functions here:

brainly.com/question/28533782

#SPJ3

im not sure but I think its d

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