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3 years ago

Solve for d when t = 0, t = 3, t = 5 d = t2 asap

Mathematics

2 answers:

rjkz [21]3 years ago

5 0

Answer:

see below

Step-by-step explanation:

d = t^2

t =0

d = 0^2 = 0

t =3

d = 3^2 = 9

t =5

d = 5^2 = 25

maksim [4K]3 years ago

3 0

Answer:

Step-by-step explanation:

If you are using

t =0

d = 0

t =3

d = 3^2 = 9

t =5

d = 5^2 = 25

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If a radius of a circle is 12 feet, what is the area and perimeter of the circle?

Vesna [10]

Area of a circle=πr²
area of this cirlce=π*(12 ft)²=144π ft²≈452.39 ft².

answer 1= the area of this circle is 452.39 ft².

Perimeter of a circle=2πr.
Perimeter of this cirlce=2π(12 ft)=24π ft≈75.4 ft

answer 2= the perimeter of this cirlce is 75.4 ft.

4 0

3 years ago

Read 2 more answers

16. Solve for C: 6c - 1 - 4c = -49

lesantik [10]

Answer:

c = -24

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtract Property of Equality

Algebra I

Step-by-step explanation:

Step 1: Define

6c - 1 - 4c = -49

Step 2: Solve for c

Combine like terms: 2c - 1 = -49
Isolate c term: 2c = -48
Isolate c: c = -24

7 0

3 years ago

A rocket is launched from a tower. The height of the rocket, y in feet is related to the time after launch, x in seconds, by the

gizmo_the_mogwai [7]

Step-by-step explanation:

The height of the rocket y in feet is related to the time after launch, x in seconds, by the given equation i.e.

$y=-16x^2+165x+78$ ......(1)

It is required to find the maximum height reached by the rocket. For maximum height put $\dfrac{dy}{dx}=0$ .

So,

$\dfrac{d(-16x^2+165x+78)}{dx}=0\\\\-32x+165=0\\\\32x=165\\\\x=5.15\ s$

Put x = 5.15 in equation (1).

$y=-16(5.15)^2+165(5.15)+78\\\\y=503.39\ m$

So, the maximum height reached by the rocket is 503.39 m.

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4 years ago

If the coefficient of determination for a data set is 0.75 and the SSE for the data set is 13, what is the SST for the data set?

nadya68 [22]

Answer : SSE = 9
r^2 = 0.75
r^2 = 1 - (SSE/SST)
SSE/SST = 1 - r^2 = 1 - 0.75 = 0.25
SST = 9/0.25 = 36

8 0

4 years ago

Read 2 more answers

Jacob needs to collect at least 120 cans for a food drive to earn community service credit. He has already collected 64 items.

dalvyx [7]

An inequality that represent the number of cans, c, that Jacob must still collect is $c\geq 56$ .

Step-by-step explanation:

Here we have , Jacob needs to collect at least 120 cans for a food drive to earn community service credit. He has already collected 64 items. We need to solve the following :

Part A:

Write and solve an inequality to represent the number of cans, c, that Jacob must still collect.

Jacob has collected 64 cans . Jacob need to collect at least 120 cans for a food drive to earn community service credit , Let Number of cans that Jacob have to collect is c , So following is the inequality for above scenario:

⇒ $c+64\geq 120$

⇒ $(c+64)-64\geq 120-64$

⇒ $c\geq 56$

Therefore , An inequality that represent the number of cans, c, that Jacob must still collect is $c\geq 56$ .

8 0

4 years ago