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3 years ago

Please help. asap. will mark brainliest

Mathematics

1 answer:

Dahasolnce [82]3 years ago

5 0

Answer:

option 1 and option 2 should be correct

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Which of the following represents f(-3)? A: 7 B: 5 C: 1 D: -1

Fed [463]

Answer:

$f(-3)=-1$

Step-by-step explanation:

-3 is less than 0, so you are going to use $f(x)=x+2$ .

Plug in values:

$f(-3)=-3+2\\f(-3)=-1$

7 0

3 years ago

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a number cube is rolled 160 times. The number 2 comes up 39 times. What is the experimental probability of rolling a 2? What is

adell [148]

Theoretical would be approximately 26.67
Experimental is 0.24 (24%)

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4 years ago

How many cubic blocks of side length 1/7 would it take to fill a rectangular prism with a length, width, and height of 3/7 inch,

wlad13 [49]

Answer:

441 number of cubic blocks will fill the rectangular prism.

Step-by-step explanation:

Volume of rectangular prism is,

$V_{Prism}=\text{Length}\times\text{Width}\times\text{Height}$

Putting all the values,

$V_{Prism}=\dfrac{3}{7}\times\dfrac{1}{7}\times\dfrac{3}{7}$

$=\dfrac{3\times1\times3}{7}$

$=\dfrac{9}{7}\ in^3$

Volume of cubic block is,

$V_{Cube}=\text{Side}^3$

Putting all value,

$V_{Cube}=\left(\dfrac{1}{7}\right)^3=\dfrac{1}{343}\ in^3$

Number of cubic blocks that can fill the rectangular prism is,

$=\dfrac{V_{Prism}}{V_{Cube}}=\dfrac{\frac{9}{7}}{\frac{1}{343}}=\dfrac{9\times 343}{7\times 1}=441$

4 0

4 years ago

Pentagon ABCDE is rotated 180° clockwise about the origin to form pentagon A'B'C'D'E.

alexandr1967 [171]

Answer:

Statement A is true

Step-by-step explanation:

Here, we want to select the correct statement

the correct answer here is that pentagon ABCDE is congruent to A’B’C’D’E

A 180 degrees counterclockwise rotation will only turn (x,y) to (-x,-y)

It doesn’t change the distance between the points which corresponds to the length of the sides of the pentagon

This means that the side lengths will be exactly the same and so, the two pentagons are congruent

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3 years ago

Which statement best describes the relationship between the lengths of the sides of the triangle shown below?

Mrac [35]

Answer:

the answer is c

Step-by-step explanation:

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3 years ago

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