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AlladinOne [14]
3 years ago
13

Evaluate 6a-b^2/2 + (b/a)^2 if a = 2 and b = 4. 2 6 10.25 36

Mathematics
1 answer:
rodikova [14]3 years ago
4 0

\frac{6a -  {b}^{2} }{2}  +  \binom{b}{a}  ^{2}

a=2 b=4

\frac{6(2) -  {4}^{2} }{2}  +    \binom{4}{2}^{2}

\frac{12 - 16}{2}  +  \frac{16}{4}

\frac{ - 4}{2}  + 4

- 2 + 4 = 2

answer is option a 2

please mark this answer as brainlist

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6m−7)⋅4=left parenthesis, 6, m, minus, 7, right parenthesis, dot, 4, equals ¿Atorado?
mars1129 [50]

Answer:

24m - 28

Step-by-step explanation:

Given the expression (6m−7)⋅4, we are to simplify it. Using the distributive law;

A(B+C) = AB + AC [A is distributed over B and C]

For the expression (6m−7)⋅4, we will distribute 4 over 6m and -7 as shown;

(6m−7)⋅4 = 4(6m) - 4(7)

(6m−7)⋅4 = 24m - 28

Hence (6m−7)⋅4 = 24m - 28

7 0
3 years ago
ms Gregory has a coupon for dsw for 1/7 off of her total purchase. she purchases 4 pairs of shoes for her and her friends wich a
sesenic [268]

Answer:

She will pay $216 if she uses the coupon.

Step-by-step explanation:

Since the coupon is 1/7 off, you do 1/7 * 252 = 36. So she saves $36 with the coupon. Subtract the coupon from the total purchase. $252 - $36 = $216.

4 0
3 years ago
janet is comparing prices of bottled water. one bottle of water costs $1.92 and contains 12 ounces. another bottle of water cost
AnnyKZ [126]

Bottle 1 = $1.92 & 12 ounces

Bottle 2 = $2.40 & 16 ounces

Bottle 1

If 12 ounces costs $1.92, to determine the price of 1 ounce we divide $1.92 by 12.

$1.92 ÷ 12 = $0.16 per ounce for bottle 1.

Bottle 2

If 16 ounces costs $2.40, to determine the price of 1 ounce we divide $2.40 by 16.

$2.40 ÷ 16 = $0.15 per ounce for bottle 2.

Therefore we can determine that Bottle 2 is cheaper per ounce than Bottle 1.

7 0
3 years ago
2x + y = -7 <br> 5x - y = 0 show work plz!
Zanzabum
First solve for one variable
(I chose bottom equation because it’s easier)
Get y alone: Y = 5x
Now that we have y we can plug y into the top equation
Plug in 5x for y: 2x + 5x = 7
Solve for x: 7x = 7
X = 1

Now plug in the x value into the bottom equation to solve for y
Y = 5(1)
Y= 5


So, x = 1 and y = 5

3 0
3 years ago
CHECK MY ANSWER ASAP
Butoxors [25]

Answer:

you goth or what dummy

Step-by-step explanation:

3 0
3 years ago
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