3 years ago

What is the answer for a+16=20

Mathematics

2 answers:

Hitman42 [59]3 years ago

8 0

Answer:

Step-by-step explanation:

Isolate the variable

subtract 16 from both sides

a=16-20

a=4

Sloan [31]3 years ago

3 0

Answer:

a = 4

Step-by-step explanation:

a + 16 = 20

-16 -16

-------------------

a = 4

The goal is to get the variable by itself so that you can solve for it

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Write an equation in slope-intercept form for the line with y-intercept −5 and slope −2/5

riadik2000 [5.3K]

Answer:

$\large\boxed{y=-\dfrac{2}{5}x-5}$

Step-by-step explanation:

The slope-intercept form of an equation of a line:

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We have

$m=-\dfrac{2}{5},\ b=-5$

Substitute:

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3 years ago

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3 years ago

20% of what number is 6.5?

scoundrel [369]

Answer:

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3 0

3 years ago

the ratio of pennies to quarters in a piggy bank is 14:3. if there are 51 quarters in the bank, how many pennies are there

malfutka [58]

The number of pennies in bank is 42

Solution:

Given that ratio of pennies to quarters in a piggy bank is 14 : 3

Let 14x be the number of pennies in piggy bank

Let 3x be the number of quarters in piggy bank

To find: number of pennies

Given that there are 51 quarters

number of pennies in piggy bank + number of quarters in piggy bank = 51

14x + 3x = 51

17x = 51

x = 3

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3 years ago