3 years ago

Find an equation of the line that (

Mathematics

1 answer:

Naddika [18.5K]3 years ago

8 0

B=-8 m=1/4 y=1/4(x)-8

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4. Ms. Beltran buys songs from a music website. She buys 20 songs for $12.

Pachacha [2.7K]

Answer:$1.67

Step-by-step explanation:

Divide 20 and 12 to get 1.6666666 round the number and you get 1.67

3 0

3 years ago

Please help me

Kruka [31]

y = x^2 -4x

x = -1

y = (-1)^2 - 4×-1=1+4 = 5

x= 0

y = (0)^2 - 4×0 = 0

x = 1

y = 1^2 -4×1 = 1-4 = -3

x = 2

y = 2^2 -4×2 = 4-8 = -4

x=3

y = 3^2 - 4×3 = 9-12 = -3

x = 4

y = 4^2 - 4×4 = 16 - 16 = 0

now 2nd equation

y = 2x^2 + x

x = -2

y = 2 (-2)^2 + (-2)= 8-2 = 6

x = -1

y = 2 (-1)^2+(-1)= 2-1 = 1

x = 0

y = 2(0)^2 +0 = 0

x = 1

y = 2 (1)^2 + 1 = 3

x = 2

y = 2(2)^2+2= 8 + 2 = 10

6 0

3 years ago

Y= 2x + 5 what is the linear function of this?

melisa1 [442]

I think it is (0,-5)

4 0

3 years ago

Help me pls i dont have long i have 10 mins this is 1 of 2 questions can you pls answer both ill give brainly when 2 answers are

astraxan [27]

I’ll help you with your math I am very good at it

8 0

3 years ago

Read 2 more answers

a jar contains nickels and pennies. there are 56 coins in the jar in all. the total value of the coins is 1.52. how many pennies

nevsk [136]

1 penny is just 1c
one nickel is 5 pennies or 5c

alrite...

p = amount of pennies in the jar
n = amount of nickels in the jar

we know there are 56 coins in the jar, thus whatever "p" and "n" are,

p + n = 56

we also know, the total value of all pennies and nickels is one buck and 52 cents, or 1.52.. that's 152 pennies.

now, we know there are 5 pennies in one nickel, so in "n" nickels, there are 5*n pennies, or 5n, thus

p + 5n = 152

$\bf \begin{cases}
p+n=56\implies \boxed{n}=56-p\\
p+5n=152\\
----------\\
p+5\left( \boxed{56-p} \right)=152
\end{cases}$

solve for "p", to see how many penny coins are there.

what about the nickels? well, n = 56 - p.

5 0

3 years ago