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3 years ago

Help pleaseeeeeee!!!!!

Mathematics

1 answer:

Semmy [17]3 years ago

8 0

Answer:

the function R is always 2 above on the y axis to the function G

Step-by-step explanation:

adding 2 to x makes the function go up on the y axis

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25. Save the simultaneous equations 2x-y=4;x+y=5

Gnoma [55]

Answer:

Step-by-step explanation:

2x-y=4 ..........(1)

x+y=5 ...........(2)

Add equation 1 and 2:

We get:

3x=9

x=9/3

x=3

Substitute value of x in (2):

x+y=5

3+y=5

y=5-3

y=2

(3,2)

8 0

3 years ago

A jar contains a mixture of 10 black paperclips, 8 red paperclips, and 2 white paperclips all the same size. Determine the proba

Marizza181 [45]

There are 20 paper clips in total so

Black probability: 10/20 (50%)

Red probability: 8/20 (40%)

White probability: 2/20 (10%)

3 0

4 years ago

Which ratio is proportional to 24 / 6 12/4 48/8 12/3 4/12

Diano4ka-milaya [45]

12/3 is proportional to 24/6.

6 0

3 years ago

Multiple-choice questions each have four possible answers left parenthesis a , b , c , d right (a, b, c, d), one of which is co

arlik [135]

A) Since there are four multiple choice questions Which has one correct answer. The probability of choosing a correct answer is

$P(C) = \frac{1}{4}$

The probability of choosing wrong answer is

$P(W) = \frac{3}{4}$

Using the multiplication rule
$P(WWC) = P(W) \times P(W) \times P(C) \\ \\ P(WWC) = \frac{3}{4} \times \frac{3}{4} \times \frac{1}{4} \\ \\ P(WWC) = \frac{9}{64}$

b) If you guess answers to three of the questions, then the possibilities of getting one correct answer are:

Either the first two are wrong and the third one is correct. This will give the arrangement;

$WWC$

Or the first is wrong the second one is correct and the last one is wrong. This will give the arrangement,

$WCW$

Or the first one is correct and the last two are wrong. This will give the arrangement,

$CWW$
.

$P(WWC) = P(W) \times P(W) \times P(C) \\ \\ P(WWC) = \frac{3}{4} \times \frac{3}{4} \times \frac{1}{4} \\ \\ P(WWC) = \frac{9}{64}$

$P(WCW ) = P(W) \times P( C ) \times P(W) \\ \\ P(WCW) = \frac{3}{4} \times \frac{1}{4} \times \frac{3}{4} \\ \\ P(WCW) = \frac{9}{64}$

$P(CWW ) = P(W) \times P( C ) \times P(W) \\ \\ P(CWW) = \frac{1}{4} \times \frac{3}{4} \times \frac{3}{4} \\ \\ P(CWW) = \frac{9}{64}$

c) The probability of getting one correct answer is either the first one is correct or second is correct or third is correct.

$P(One \: Correct)= P(CWW) \: or P(WCW) \: or \: P(WWC) \\ \\ P(One \: Correct)= P(CWW) \: + P(WCW) \: + \: P(WWC) \\ \\ P(One \: Correct)= \frac{9}{64} + \frac{9}{64} + \frac{9}{64} \\ \\ P(One \: Correct) = \frac{27}{64}$

7 0

4 years ago

Read 2 more answers

a full bottle holds 1/4 gallon of juice if 3/5 of the juice has been poured out how much juice is left in the bottle

agasfer [191]

5/5 - 3/5 = 2/5 (left)
2/5 x 1/4 gallon = 1/10 gallon

Ans: 1/10 gallon

5 0

4 years ago

Read 2 more answers