MATHEMATICS HIGH SCHOOL

What is the value of the expression below when w = 5?
2w2 – 2w + 3

Answers

Answer 1
Answer:

Answer:

I got you

Step-by-step explanation:

2 time 5 times 2 is 20. This minus 2 times 5 is 10 plus 3 is 13.
Answer 2
Answer:

Answer:13

Step-by-step explanation:

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What is the slope for the function y=2x^2+2 at the point x= 3?

Answers

1) We have to calculate the first derivative:
y=2x²+2
y´=4x

2) the slope at the point x=3; will be f´(3);
f´(3)=4(3)=12

answer: the slope will be 12.

Final answer:

The slope of the function y = 2x^2 + 2 at the point x = 3 is 12.

Explanation:

The slope of a function can be determined using the derivative of the function. In this case, the function is y = 2x^2 + 2. Taking the derivative of this function gives us dy/dx = 4x. To find the slope at x = 3, we substitute x = 3 into the derivative: dy/dx = 4(3) = 12.

Learn more about slope of a function here:

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Simplify the expression shown below.
(6a⁴bc)(7ab³c)=

Answers

(6a^4bc)(7ab^3c)= 6\cdot 7\cdot a^4\cdot a\cdot b \cdot b^3\cdot c\cdot c =\n \n =42\cdot a^(4+1)\cdot b^(1+3)\cdot c^(1+1)=42a^5b^4c^2

Use the substitution method to solve 3x-5y=-8 and x+2y=1

Answers

\boxed{ \left \{ {{3x-5y=-8} \atop {x+2y=1}} \right.} \n \n x+2y=1\Rightarrow \boxed{x=1-2y} \n------------- \n \boxed{\left \{ {{3x-5y=-8} \atop {x=1-2y}} \right. } \n\n3(1-2y)-5y=-8 \n 3-6y-5y=-8\n\n3-11y=-8\n\n-11y=-8-3 \n \n -11y=-11y \n \n \boxed{y=1} \Rightarrow \boxed{x=-1}

Find the least common multiple of 7 3 2

Answers

The answer should be 42

BRAINLIEST !
Please at least take a look.

Answers

Answer:

Step-by-step explanation:

Tan Ф = opposite/adjacent = 170/90 = 1.89

Ф = tan⁻¹ 1.89 = 62.1°

tan Ф = x/207

tan 62.1° x 207 = x

1.89 x 207 = 391.23

Answer:

391 ft

Step-by-step explanation:

Using similar figures

X/170 = 207/90

X = 170 × 207/90

X = 391 ft

Jessica took out a, $84,000 loan to buy her grandmother a house. After 10 years, she had paid $31.500 in interest. What was herinterest rate?

Answers

3.75%
_________
please mark brainliest if correct
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