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3 years ago

GEOMETRY HELP PLEASE!!!

Mathematics

2 answers:

nika2105 [10]3 years ago

5 0

The the the
answer is c

choli [55]3 years ago

3 0

D. trust me youll thank me later hohoho

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What is the value of the expression? 6 • 2³ -(4² + 7)

atroni [7]

Answer:

Step-by-step explanation:

pemdas

parentheses- 4 to the 2nd power is 16, 16 + 7 is 23.

exponents- 2 to the 3rd power is 8.

multiplication- 6 x 8 is 48

so then its easy from there. its 48 minus 23, which equals 25

3 0

3 years ago

A fair die is rolled 5 times. What is the probability of rolling a three at least once

Nata [24]

Answer:

0.83333333

Step-by-step explanation:

since usually if a dice is rolled 6 times. the probability of rolling a three would be 1/6th as there are even sides on a dice and even probabilities. You would divide 5 by 6 instead of 6 by 6 meaning that the probability is 0.83333 recurring

3 0

3 years ago

Read 2 more answers

A ball is thrown upward with an initial velocity of 16 ft/sec from a height of 32 ft above the ground. The height, in feet, of t

GaryK [48]

Answer: 2 seconds.

Step-by-step explanation:

Given : A ball is thrown upward with an initial velocity of 16 ft/sec from a height of 32 ft above the ground.

The height, in feet, of the ball t sec after it is thrown can be represented by

$s=-16t^2+16t+32.$

When ball reaches the ground , s= 0.

$\Rightarrow -16t^2+16t+32=0$

Divide both sides by 16 , we get

$-t^2+t+2=0\\\\\Rightarrow\ t^2-t-2=0\\\\\Rightarrow\ t^2-2t+t-2=0\\\\\Rightarrow\ (t-2)(t+1)=0 \\\\\Rightarrow\ t=2,-1$

But time cannot be negative , so t= 2.

Hence , it will take 2 seconds for the ball to reach the ground.

8 0

3 years ago

Please help me with these and please have explanations

NeTakaya

Answer:

1-B

2-C

3-D

Step-by-step explanation:

In the attached file

6 0

3 years ago

The sum of two consecutive cube numbers is 341. Work out the two numbers. (2 marks)

Kobotan [32]

Answer:

63 and 53

Step-by-step explanation:

you could use trail and error. So:

13+23=9

33+43=91

63+73=559

53+63=341

3 0

3 years ago