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Ann [662]
3 years ago
10

Please help due today and please write the explanation.

Mathematics
1 answer:
joja [24]3 years ago
6 0

if u have a phone use photo math to scan the equations, its very useful

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Write an equation for the line that passes through (-8.5, 11) and (5, -2.5).
max2010maxim [7]

9514 1404 393

Answer:

  y = -x + 5/2

Step-by-step explanation:

The 2-point form of the equation of a line can be useful.

  y = (y2 -y1)/(x2 -x1)/(x -x1) +y1

  y = (-2.5 -11)/(5 -(-8.5))/(x -(-8.5)) + 11

  y = -13.5/13.5(x +8.5) +11 . . . . . . simplify a bit

  y = -x +2.5 . . . . . write in slope-intercept form

8 0
3 years ago
PLEASE ANSWER ILL GIEV BRAINLY At a picnic, 2 families share 3 submarine sandwiches. How much of a sandwich will each family get
n200080 [17]

Answer:

Step-by-step explanation:

it's kinda hmm alarming that this doesn't make sense to you.   :/   how much money would 2 people get.. if the split 3 dollars evenly?

$1.50  each right?

so each family would get  1 1/2 sandwiches.. see how it's the same?  :/

8 0
3 years ago
Read 2 more answers
Jose equation is -4(x+2) = 8x+16 says to jill “I can solve for the variable in this equation in at least 4 different ways
erastovalidia [21]

Answer:

that is step 1 and step 2 and step3

step 4

Let's solve your equation step-by-step.

−4(x+2)=8x+16

Step 1: Simplify both sides of the equation.

−4(x+2)=8x+16

(−4)(x)+(−4)(2)=8x+16(Distribute)

−4x+−8=8x+16

−4x−8=8x+16

Step 2: Subtract 8x from both sides.

−4x−8−8x=8x+16−8x

−12x−8=16

Step 3: Add 8 to both sides.

−12x−8+8=16+8

−12x=24

Step 4: Divide both sides by -12.

−12x

−12

=

24

−12

x=−2

Answer:

x=−2

6 0
3 years ago
The half-life of Carbon 14 (C-14) is 5230 years. Determine the decay-rate pa-rameterλfor C-14.
Lady bird [3.3K]

Answer:

λ = 1.3252 x 10⁻⁴

Step-by-step explanation:

Since we are already given the half-life, the decay expression can be simplified as:

N(t) = N_0*e^{-\lambda t}\\\frac{N(half-life)}{N_0}=0.5

For a half-life of t =5230 years:

0.5 = e^{(-\lambda t)} \\ln(0.5) = -\lambda * 5230\\\lambda = 1.3252*10^{-4}

The decay-rate parameter λ for C-14 is 1.3252 x 10⁻⁴

7 0
3 years ago
THIS whole thing is called an ______? ↘<br> .........12 + 8 ÷ (5 + 3) - 8
FromTheMoon [43]
Equation!!!!!!!!!!!!!!!!!
4 0
3 years ago
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