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4 years ago

Expand and simplify 4 ( y + 6 ) − 2 ( y − 2 )

Mathematics

2 answers:

elena-14-01-66 [18.8K]4 years ago

7 0

[ Answer ]

$\boxed{2y \ + \ 28}$

[ Explanation ]

4(y + 6) - 2(y - 2)

[Expand] 4(y + 6): 4y + 24

4y + 24 - 2(y - 2)

[Expand] -2(y - 2): -2y + 4

4y + 24 - 2y + 4

[Simplify] 4y + 24 - 2y + 4: 2y + 28

= 2y + 28

$\boxed{[ \ Eclipsed \ ]}$

ddd [48]4 years ago

5 0

Answer:

simplified you would get 2y+28

if we factor that we get 2 (y+14)

SO YOUR ANSWER IS 2Y+28

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Shania wanted her friend Radhika’s mobile number. But Radhika played a trick. She gave her a 10-digit mobile number she uses in

Daniel [21]

This question involves basic arithmetic signs and simplifying of bracket terms.

Mobile number is; 9 6 4 1 2 7 8 1 2 3

a) 2x - 5 = 7

Add 5 to both sides to get;

2x = 12

x = 12/2

x = 6

b) 2(p + 1) = p + 4

Expanding the bracket gives;

2p + 2 = p + 4

Rearranging gives;

2p - p = 4 - 2

p = 2

c) 5(y + 1) = 25

Expanding the bracket gives;

5y + 5 = 25

5y = 25 - 5

5y = 20

y = 20/5

y = 4

d) 5(q –1) + 3q = 10 + 1

Expanding the bracket gives;

5q - 5 + 3q = 11

2q - 5 = 11

add 5 to both sides to get;

2q = 16

q = 16/2

q = 8

Question E and F are not clear but as it is r and z that are yet to be gotten, i have gotten the right equations from the brainly link at the end of this page.

e) 8z - 8 = 6z + 8

Rearranging, we have;

8z - 6z = 8 - 6

2z = 2

z = 2/2

z = 1

f) 3(r+10) + 200 = 236

Expanding the bracket and rearranging, we have;

3r + 30 = 236 - 200

3r = 236 - 200 - 30

3r = 6

r = 6/3

r = 2

So we now have;

x = 6; y = 4; z = 1; p = 2; q = 8; r = 2

Mobile number is; 9 6 4 1 2 7 8 1 2 3

Read more here; brainly.in/question/24417680?tbs_match=1

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3 years ago

Write the equation 6x − 3y = −12 in the form y = mx + b.

Sergeeva-Olga [200]

Solve for the variable y (move the x to the right of equal with changed sign)

M is the coefficient before the x and b is the known number

-3y = -12 - 6x

Since the y can't be negative, multiply every term for -1, therefore change their sign

3y = 6x + 12

To find y, divide both terms for 3

$\frac{3}{3}y = \frac{6x+12}{3}$

y = 2x+4

Therefore your answer is y = 2x+4

4 0

4 years ago

A rectangle’s length is 5 inches more than twice its width. Its area is 50 square inches. Which equation can be used to find its

pav-90 [236]

A=LW
L=5+2W
A=50

50=LW
sub 2W+5 for L
50=(2W+5)W

answer is the 3rd equation

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3 years ago

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PolarNik [594]

Answer:

A. 55%

Step-by-step explanation:

First we should make these into fractions

A. 33/60

B. 36/78

C. 40/89

D. 24/59

these are the fractions, The question wants us to pick the Park with the Greatest Percentage, Not The Greatest Amount, so Lets look at these fractions A. 33/60 Is 55% B. 36/78 is 46% . C. 40/89 is 44% D. 24/59 is about 40%

I also remember doing this on a quiz!!

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3 years ago

Compute the probability that a hand of 13 cards contains all 4 of at least 1 of the 13 denominations.answer: 0.0343

gogolik [260]

The probability of a hand of 13 cards contains all 4 of one of the denominations, say Aces, is given by:
$\frac{4C4\times48C9}{52C13}=0.00264106$
The same probability applies to getting all 4 of each of the other denominations.
Therefore the required probability is:
$0.00264106\times13=0.0343$
The answer is 0.0343.

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4 years ago