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2 years ago

Need help pls......

Mathematics

1 answer:

ohaa [14]2 years ago

7 0

Answer:

I believe B is the correct answer ?

Step-by-step explanation:

Since the is a negative sign already there that turns the -3 into just 3 so the equation turns into 3-6 which is -3 so...

3-6<3.5

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8(2x-3)-6x if 3=x and simplify

Rom4ik [11]

Simplify the expression:

8(2x - 3) - 6x = 8×2x - 8×3 - 6x = 16x - 24 - 6x = 10x - 24

for x=3

put value of "x" to the expression:

<u>10×3 - 24 = 30 - 24 = 6</u>

5 0

2 years ago

Choose the slope-intercept form of 3x + 2y = 5

lianna [129]

Answer:

Step-by-step explanation:

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3 years ago

A coin is tossed 600times with the frequencies as:

brilliants [131]

Answer:

see below

Step-by-step explanation:

Total number of trials =600.

Number of heads = 342.

Number of tails = 258

On tossing a coin,

$let \: E_1 \: and \: E_2 \: be \: the \: events \: of \: getting \: a \: head$

and of getting a tail respectively.

then,

$1) \: P \: (getting \: a \: head) = \: P \: (E_1)$

$\longrightarrow \: \frac{number \: of \: heads \: coming \: up}{total \: number \: of \: trials}$

$\longrightarrow \: \frac{342}{600} = \frac{57}{100}$

$\longrightarrow \: 0.57$

$\red{ \rule{150pt}{3pt}} \:$

$2) P (getting \: a\: tail) =P (E_2)$

$\longrightarrow \: \frac{number \: of \: tails \: coming \: up}{total \: number \: of \: trials}$

$\longrightarrow \: \frac{258}{600} = \frac{43}{100}$

$\longrightarrow \: 0.43$

6 0

2 years ago

Add up the answer first to see of these correct or incorrect, if incorrect explain why it is not equal.

Stells [14]

Answer:

1) incorrect

2) incorrect

Step-by-step explanation:

-2x-2x = 0 ?

-2x -2x = -4x

It will be 0 only if x = 0.

Not always true, so incorrect

x+x = x² ?

2x = x²

They will be equal if x = 0 or 2.

Not always true so incorrect

8 0

3 years ago

A data set includes the following test scores: 75, 82, 84, 62, 78. The score on a retake test is 96. It the retake score replace

Vera_Pavlovna [14]

Answer:

B the mean increases by 6.8

8 0

3 years ago

Need help pls......​

Need help pls......