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3 years ago

What is the value of the expression [5 × (3 + 6)] – 8?

Mathematics

2 answers:

Ne4ueva [31]3 years ago

7 0

Answer:

Step-by-step explanation:

PEMDAS

Order of operations tell you to do what's in the parentheses first then multiply by 5 lastly, subtract 8

Sergeeva-Olga [200]3 years ago

5 0

The answer is 37. Hope this helps!

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If a=2, b=3 and c=4 then find the numerical value of a2+2abc+b2+c2

qaws [65]

a=2 b=3 and c=4. then,

a2+2abc+b2+c2

a2+2abc+b2+c2= 2^2+2×2×3×4+3^2+4^2

(replace value of a, b, c by2,3,4 respectively tgen solve)

= 4+48+9+16

= 77………………

Therefore, 77 is correct answer.

7 0

3 years ago

Julia planet a rectangle garden that is 20 feet long she plays 56 feet of fencing around her Garten what is the width of her Gar

Aleksandr-060686 [28]

The width of rectangular garden(b) = 8 feet and

The area of rectangular garden = 160 square feet

Step-by-step explanation:

Given,

The length of rectangular garden(l) = 20 feet and

The perimeter of rectangular garden(fencing) = 56 feet

To find, the width of rectangular garden(b) = ? and

The area of rectangular garden = ?

We know that,

The area of rectangular garden = 2(l + b)

⇒ 2(20 + b) = 56

⇒ 20 + b = 28

⇒ b = 28 - 20 = 8 feet

The width of rectangular garden(b) = 8 feet

∴ The area of rectangular garden = l × b

= 20 feet × 8 feet

= 160 square feet

Hence, the width of rectangular garden(b) = 8 feet and

the area of rectangular garden = 160 square feet

6 0

3 years ago

Using technology, we determined that Mary’s investment account can be modeled by the function, M(x) = 4.96(2.18)x in thousands o

leonid [27]

Well, her initial investment happened at day 0, namely x = 0, let's check,

$\bf M(x)= 4.96(2.18)^x\qquad \boxed{x=0}\qquad M(0)= 4.96(2.18)^0
\\\\\\
M(0)= 4.96(1)\implies M(0)=4.96$

6 0

3 years ago

Read 2 more answers

How would one find the derivative of: <img src="https://tex.z-dn.net/?f=%20%7Be%7D%5E%7Bx%20sinx%7D%20" id="TexFormula1" tit

wel

Answer:

xe^{xsinx}

Step-by-step explanation: $xe^{xsinx}$

8 0

3 years ago

Mr. Pettit asks you to jog around the perimeter of the gym 3 times. The length of the gym is 65 1/2 feet and the width is 32 1/4

Ilia_Sergeevich [38]

Answer:

586.5 ft.

Step-by-step explanation:

Find the Perimeter of the gym which is a rectangle. Formula is 2 (L+W) so,

2(65.5+32.25) = 195.5ft then multiply by 3 times around the perimter of the gym

(195.5 x3= 586.5 ft)

4 0

4 years ago