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4 years ago

Write an equation in slope intercept form for this line (4,7) slope of -3/2

Mathematics

1 answer:

Vikki [24]4 years ago

8 0

Answer:

y=-3/2x+13

Step-by-step explanation:

7=-3/2(4)+b

7=-6+b

13=b

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6 tractors take 6 days to collect the harvest. How long would it take 9 tractors to do the same amount of work?

prohojiy [21]

T - tractors
d - days

$6t * 6d =9t*xd \\ \\ x= \frac{36td}{9td} =4$

Four days

6 0

4 years ago

Katie practice the flute for 45 minutes then she ate a snack for 15 minutes next she watched television for for 30 minutes until

IrinaK [193]

Well let's see, how about we subtract 6 P.M from 30 minutes and that is 5:30 P.M then we subtract 5:30 by 15 minutes, and we get 5:15 P.M then we subtract 5:15 P.m by 45 minutes and we get 4:30 P.M

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3 years ago

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Use the rules of long division to divide 262 by 9

gulaghasi [49]

It’s 29.1111 keeps going

8 0

3 years ago

That's the question ??

Oksanka [162]

Step-by-step explanation:

Before we answer, the area of a Circle given it radius is

$a = \pi r {}^{2}$

The area of a circle given it diameter is

$a = \pi( \frac{d}{2} ) {}^{2}$

So let answers question 1-4.

1. The area is

$1024\pi$

2. The area is

$576\pi$

$1.225\pi$

$309.76\pi$

For the 5th problem, circumference is

$\pi \times d$

where d is the diameter and

$2\pi r$

where r is the radius.

A circumference of 100 m means the radius is 50 because

$2\pi \times r = 100\pi$

$r = 50$

So this means the area is

$2500 {\pi}$

3 0

3 years ago

You are swinging a bucket in a circle at a velocity of 7.8 ft/s. The radius of the circle you are making is 1.25 ft. The acceler

Ksju [112]

Given that,

velocity, v = 7.8 ft/s

Radius, r = 1.25 ft

To find,

a. What is the acceleration of the bucket?

b. What is the velocity if the acceleration is 25 ft/sec²?

Solution,

(a) The centripetal acceleration is given by :

$a=\dfrac{v^2}{r}$

Put v = 7.8 ft/s and r = 1.25 ft

$a=\dfrac{(7.8)^2}{1.25}\\\\=48.672\ ft/s^2$

(b) Put a = 25 ft/s² to find velocity.

$v=\sqrt{ar} \\\\v=\sqrt{25\times 1.25} \\\\v=5.59\ ft/s$

Hence, this is the required solution.

7 0

3 years ago