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3 years ago

Which is an equation of a line that has a slope of 1 and passes through (5,3)?

Mathematics

1 answer:

erica [24]3 years ago

6 0

Plug in 5 for x
And see if it will result in 3
Y = 5-2, y = 3
The first one is correct

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How can you use 1300 divided by 13 to help you find 1,287 divided 13

tiny-mole [99]

Answer:

Step-by-step explanation:

This question is about the benefits of estimation.

1300/13 is easy and results in 100.

1287/13 can be approximated by 1300/13: 1287/13 ≈ 100.

Actually, 1287 = 1300 - 13 = 13(99); just subtract 1 from 100.

So: 1287/13 = 1300 - 13 = 1287. A nice bit of mental math!

6 0

2 years ago

Radioactive Waste The rate at which radioactive waste is entering the atmosphere at time t is decreasing and is given by Pe^-kt,

Dmitry_Shevchenko [17]

Answer:

$\displaystyle{\int^{\infty}_0 {50e^{-0.04t}}\, dt}=1250$

Step-by-step explanation:

Given:

$T =\displaystyle{\int^{\infty}_0 {Pe^{-kt}} \, dt}$

where,

T = total amount of waste

P = 50, the initial rate

k = 0.04

t = time

$T =\displaystyle{\int^{\infty}_0 {50e^{-0.04t}} \, dt}$

now we need to solve this integral!

$T =\displaystyle{50\int^{\infty}_0 {e^{-0.04t}} \, dt}$

$T = \left|50\left(\dfrac{e^{-0.04t}}{-0.04}\right)\right|^{\infty}_0$

$T = \left|-1250e^{-0.04t}\right|^{\infty}_0$

$T = (-1250e^{-0.04(\infty)})-(-1250e^{-0.04(0)})$

when any number has a power of negative infinity it is 0. because: $a^-{\infty} = \dfrac{1}{a^{\infty}} = \dfrac{1}{\infty} = 0$ , like something being divided by a very large number!

$T = (-1250(0))-(-1250e^0)$

$T = 1250$

this is the total amount of waste

6 0

2 years ago

A little help here ^-^

frosja888 [35]

252 is the answer because you can square of every small box to each parts area then add it up

8 0

3 years ago

Read 2 more answers

The points C, D, E and F all lie on the same line segment, in that order, such that the

amm1812

Answer: Try 6

Step-by-step explanation:

7 0

3 years ago

Alfonso drove his car at an average speed of 80km per hour for a total distance of 440km. How long did he travel to cover this d

Bas_tet [7]

5 and 1/2 hours
hope this helps

6 0

3 years ago