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ladessa [460]
3 years ago
9

Helppp pls will mark brainliest

Mathematics
1 answer:
balu736 [363]3 years ago
6 0

Answer:

hold on let me see

Step-by-step explanation:

You might be interested in
-8(6+X) + 4(2x + 7) = 0
Talja [164]

Answer:

-20 = 0

Step-by-step explanation:

-8 (6 + x) + 4 (2x + 7) = 0

-48 - 8x + 8x + 28 = 0

-20 = 0

3 0
3 years ago
PLEASE HELP 50 POINTS!!
Galina-37 [17]

Answer: 225

<u>Step-by-step explanation:</u>

n₁ = 2(1) - 1

    = 2 - 1

    = 1

n₁₅ = 2(15) - 1

     = 30 - 1

      = 29

S_{15} =\frac{n_{1}+ n_{15}}{2}*15

   =\frac{1+29}{2}*15

    =\frac{30}{2}*15  

    = 15 * 15

     = 225  

8 0
4 years ago
Read 2 more answers
Find the area of the surface. The surface with parametric equations x = u2, y = uv, z = 1 2 v2, 0 ≤ u ≤ 2, 0 ≤ v ≤ 1.
ehidna [41]

Answer:

Area = 32/3

Step-by-step explanation:

x = u ²

y = uv

z = 12v ²

0 ≤ u ≤ 2

0 ≤ v ≤ 1

Since ru = <2u, v, 0> and rv = <0, u, 24v>, we have

Where ru is the differentiation of x, y, z with respect to u and rv is the differentiation of x, y, z wit respect to v.

we find the cross product of ru and rv

ru × rv = 24v²i - 48uv²j + 2u²k

absolute value of ru × rv = 2u² + 24v²

We can now find the area

∫₀² du ∫₀¹ dv (2u² + 24v²) = ∫₀² du [2u²v + 8v³]₀¹ = 32/3

Detailed description can be found in the attachment

5 0
3 years ago
Read 2 more answers
What is the product if a-3 and -2a^2+15a+6b2
Ierofanga [76]

The product if a-3 and -2a^2+15a+6b^2 is: -2a^3+21a^2+6ab^2-45a-18b^2

Step-by-step explanation:

In order to find the product of 2 expressions, distributive property can be used.

Given expressions are:

a-3\\and\\-2a^2+15a+6b^2

Product of given expressions

= (a-3)(-2a^2+15a+6b^2)\\= a(-2a^2+15a+6b^2)-3(-2a^2+15a+6b^2)\\= -2a^3+15a^2+6ab^2+6a^2-45a-18b^2

Combining like terms

= -2a^3+15a^2+6a^2+6ab^2-45a-18b^2\\=-2a^3+21a^2+6ab^2-45a-18b^2

Hence,

The product if a-3 and -2a^2+15a+6b^2 is: -2a^3+21a^2+6ab^2-45a-18b^2

Keywords: Expressions, product

Learn more about expressions at:

  • brainly.com/question/3269852
  • brainly.com/question/3280369

#LearnwithBrainly

3 0
4 years ago
Mandy is thinking of a prime number that is greater than 41 and less than 47 .What is Mandy's number
kipiarov [429]
Mandy's number is 43 
7 0
3 years ago
Read 2 more answers
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