2 years ago

A multiple choice test consists of six questions, each of which has four choices. Each question has exactly one correct answer.

1 answer:

6 0

To get 4 or fewer correct, at least 2 answers have to be wrong. And the probability of that is:
3/4 x 3/4=9/16
1-9/16=probability that 4 or fewer are correct=7/16 ☺☺☺☺

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Write in standard form a)0.00000678 b)3170000

otez555 [7]

Standard Form:

a) 0.00000678

b) 3170000

Scientific Notation:

a) 6 × $10^{4}$

b) 6.78 × $10^{-6}$

Is this what you meant?

8 0

2 years ago

3.) in a video game for every 6 enemies

RoseWind [281]

15 points

32/6=5 1/3
if you assume that you only get points after defeating six enemies, you can disregard the 1/3

5*3=15

4 0

2 years ago

PLEASE HELP AND SHOW WORK!!

aivan3 [116]

> multiply the second equation by 2 and add it to the first equation.
2(-6x - 7y = -10)
-12x -14y = -20

8x + 14y = 4
-12x - 14y = -20
--------------------
- 4x + 0 = - 16
x = -16/-4
x = 4

> use x = 4 in either equation to find y
8(4) + 14y = 4
32 + 14y = 4
14y = 4 - 32
14y = -28
y = -28/14
y = -2

5 0

2 years ago

Read 2 more answers

Amber has 36 smarties to share among herself and 3 friends. How many smarties will each of them Receive?

ki77a [65]

There are 4 people in total
(including herself)
so 36 smarties should be evenly distributed among 4 people

so answer = 36/4 = 9

7 0

2 years ago

A cell phone carrier offers two plans for text messaging. Plan A costs $20 per month plus s0.05 per text. Plan B costs $10 per m

jek_recluse [69]

Answer:

200