What is the percent decrease from 60 to 39?

1 answer:

8 0

Decreasing value from 60 to 39 is 60-39=21

If the value of 60 is 21, what is the value of 100?

60 21
100 ?
_________
?=21*100/60
?=35
Answer: 35%

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Can any one solve this please....I kinda need this

FrozenT [24]

9514 1404 393

Answer:

t₂ = 2
t₃ = 2

Step-by-step explanation:

The given expression says ...

$t_n+1=3\\\\t_n=2\qquad\text{for any value of n}\\\\t_2=2\\\\t_3=2$

8 0

3 years ago

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15 - 3k = 10(k-5) Can someone please answer this

solmaris [256]

Answer:

k = 5

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Step-by-step explanation:

Step 1: Define equation

15 - 3k = 10(k - 5)

Step 2: Solve for k

Distribute 10: 15 - 3k = 10k - 50
Add 3k to both sides: 15 = 13k - 50
Add 50 to both sides: 65 = 13k
Divide 13 on both sides: 5 = k
Rewrite: k = 5

Step 3: Check

Plug in k into the original equation to verify it's a solution.

Substitute in k: 15 - 3(5) = 10(5 - 5)
Subtract: 15 - 3(5) = 10(0)
Multiply: 15 - 15 = 0
Subtract: 0 = 0

Here we see that 0 does indeed equal 0.

∴ k = 5 is a solution of the equation.

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3 years ago

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Find the slope of each line that passes through each pair of points The points (3, 5) and (-2, 10) lie on a line. The points P (

Pavel [41]

Answer:

m = -1
m = 0

Step-by-step explanation:

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}\\\\\left(x_1,\:y_1\right)=\left(3,\:5\right),\:\left(x_2,\:y_2\right)=\left(-2,\:10\right)\\\\m=\frac{10-5}{-2-3}\\\\m=\frac{5}{-5}\\\\simplify\\\\m=-1$

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}\\\\\left(x_1,\:y_1\right)=\left(5,\:-7\right),\:\\\left(x_2,\:y_2\right)=\left(-2,\:-7\right)\\\\m=\frac{-7-\left(-7\right)}{-2-5}\\\\m=\frac{-7+7}{-7} \\\\m = \frac{0}{7}\\\\Simplify\\\\m =0$