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1 year ago

What is the slope of the line? y + 1 = 3(2x - 4)

Mathematics

1 answer:

Alexeev081 [22]1 year ago

6 0

Answer: 6

Step-by-step explanation:

Let's start by getting the equation to slope intercept form

First simplify

$y + 1 = 3(2x - 4)\\\\y+1=6x-12$

Then get y by itself

$y+1-1=6x-12-1\\y=6x-13$

In slope intercept form y=mx+b, m is the slope

In this case the slope is 6

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Carbon-14 dating assumes that the carbon dioxide on Earth today has the same radioactive content as it did centuries ago. If thi

defon

7978 years

Step-by-step explanation:

A = A02^(-t/hl)

where hl = half-life.

Dividing both sides by A0 and taking the logarithm, we get

ln(A/A0) = -(t/hl)ln2

or solving for t,

t= -(hl)ln(A/A0)/ln2

note that A/A0 = 0.38

t = -(5715 yrs)[ln(0.38)/ln2]

= 7978 years

7 0

2 years ago

Find the cube root of 216

andre [41]

6 is the cube root of 216.

I hope this helps! :D

7 0

2 years ago

Read 2 more answers

9 A rectanglar ground is 22m long and 13m broad. Find its perimeter and lenghth of wire to fonce it around 3 times.

Reptile [31]

Answer:

Step-by-step explanation:

<h3><u>Given</u>:</h3>

Length = 22m

Breadth = 13m

Perimeter of the ground = ?

<h3><u>Solution:</u></h3>

1st answer-

Perimeter = 2(l + b)

= 2(22 + 13)

= 70m

2nd answer-

Length of wire needed to fence around the ground = 70m * 3

= 210m

PLS mark as brainliest!!

8 0

2 years ago

F10<br> Find the gradient of the line segment between the points (-2,-2) and (0,-6).<br> 2

Pepsi [2]

Answer:

-2

Step-by-step explanation:

M = (y - yo/x - xo)

(-6 + 2) / (0 + 2)

-4 / -2

= - 2

3 0

3 years ago

Sam, Jimmy, and Andre shared a number of pennies in the ratio 8:5:3. Sam and Andre received a

ddd [48]

Jimmy received 122 pennies more than Andre

<u>Solution:</u>

Given that , Sam, Jimmy, and Andre shared a number of pennies in the ratio 8:5:3

Sam and Andre received a total of 671 pennies.

Now, let the H.C.F of number of pennies with them be "x"

Then, number of pennies with Sam will be 8x

Number of pennies with Jimmy will be 5x

Number of pennies with Andre will be 3x

Now, we know that, Sam and Andre has a total of 671 pennies

$\begin{array}{l}{\Rightarrow \quad 8 x+3 x=671} \\\\ {\Rightarrow \quad 11 x=671} \\\\ {\Rightarrow \quad x=61}\end{array}$

$\begin{array}{l}{\text { Then, Sam will have } 8 \times 61=488 \text { pennies, }} \\\\ {\text { Jimmy will have } 5 \times 61=305 \text { pennies, }} \\\\ {\text { Andre will have } 3 \times 61=183 \text { pennies. }}\end{array}$

<em><u>Calculating how many more pennies Jimmy received than Andre:</u></em>

Number of Pennies Jimmy received more than Andre = Pennies with jimmy - Pennies with Andre

= 305 – 183 = 122

Hence, jimmy has 122 pennies more than Andre

7 0

2 years ago