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2 years ago

I give ten points and brainliest if you say hi

Mathematics

2 answers:

adoni [48]2 years ago

7 0

Answer:

Hi have a wonder full day!!!!!!!!!!!!!!!!!!!!!!!!

Step-by-step explanation:

patriot [66]2 years ago

4 0

Answer:

Hi hope you have a wonderful and blessed day!!!!

Step-by-step explanation:

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The principal of East High School wants to buy a new cover for the sand pit used in the long-jump competition. He measured the s

Ganezh [65]

Answer: area is 286.16 ft²

Step-by-step explanation:

Length of the sand pit is 29.2 feet and the width is 9.8 feet.

L= 29.2 ft

W = 9.8 ft

To find out the area, all we have to do is multiply the lenght by the width:

And do not forget that to calculate the area, all units must be the same and for the area, it is always the unit squared, in this case, feet square or simply (ft²).

A = l*w

A = 29.2 * 9.8 = 286.16 ft²

3 0

3 years ago

Evaluate the function. f(x) = -x2-12 find f(-3)

Mekhanik [1.2K]

Answer: -21

Jdjdjdjzkzjzjxhjcjxjc

4 0

2 years ago

Read 2 more answers

A taxi service charges a flat fee of $4.20 per ride plus an additional $0.80 per mile.if a taxi ride costs $6.60, how many miles

Setler [38]

The answer is: x miles = $\frac{6.60-4.20}{0.80} = 3$ miles

7 0

2 years ago

400.00 in scientific notation

mel-nik [20]

400.00 in scientific notation would be 4×10^2

8 0

2 years ago

Question 3 (4 MARKS) Find the equation of the tangents to the curve of the function with rule y = x^2 at the points where x = a

Arte-miy333 [17]

Answer:

(0 , -a²)

Step-by-step explanation:

tangent at x = a and x = -a

y = x² (a , a²) and (-a , a²) must be on the curve and tangent to curve

gradient dy/dx = 2x

slope (m) at x = a is 2a and slope (m') at x=-a is -2a

line1: (y - a²) / (x - a) = 2a

y - a² = 2a (x - a) y = 2ax - a² ... (1)

line2: (y - a²) / (x + a) = - 2a y = -2ax- a² ... (2)

(1) - (2): 4ax = 0 a≠0 x = 0

y = - a²

I wish I did it right, or ....

3 0

2 years ago