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4 years ago

Please help asap 20 pts

Mathematics

1 answer:

kondor19780726 [428]4 years ago

7 0

Property (a, b and c are real numbers, variables or algebraic expressions)

Associative Property of Addition a + (b + c) = (a + b) + c

Associative Property of Multiplication a • (b • c) = (a • b) • c

Additive Identity Property a + 0 = a

Multiplicative Identity Property a • 1 = a

anwer will be c

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Choose the quadratic equation that has a leading coefficient of 8 and solutions -10 and 7/8

Maru [420]

Answer:

$f(x)=8x^2+73x-70$

Step-by-step explanation:

We are given

zeros as -10 and 7/8

now, we can set up function as

$f(x)=a(x-(-10))(x-\frac{7}{8})$

now, we are given that

leading coefficient is 8

so, a=8

now, we can plug it

$f(x)=8(x-(-10))(x-\frac{7}{8})$

now, we can simplify it

$f(x)=8\left(x^2+\frac{73x}{8}-\frac{35}{4}\right)$

so, we get

$f(x)=8x^2+73x-70$

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3 years ago

Ashley has 500 songs in his music player. Every week he adds 10 songs to his collection. How many songs will he have in his musi

joja [24]

500 (the current collection) + 10 (the weekly addition) x 20 (weeks to add)

500 + 10*20 (Multiplication comes before addition)

500+200

700

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3 years ago

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Is it true w is the set of (s,w,n,t,c)

umka21 [38]

Answer:

{w} is the SUBSET of {s,w,n,t,c}

Step-by-step explanation:

SUBSET: Any set P is called a SUBSET of a set Q is ALL ELEMENTS of P are in the set Q.

i.e P ⊂ Q

Here, the given set Q = {s,w,n,t,c}

Also, set P = {w}

Now,as the element w of set P is also an element of set Q.

⇒ P is the SUBSET of Q

⇒ P ⊂ Q

⇒ {w} ⊂ {s,w,n,t,c}

Hence, {w} is the SUBSET of {s,w,n,t,c}.

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4 years ago

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olga_2 [115]

Answer:D

Step-by-step explanation:

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3 years ago

X2 - xy (if x = 8 and y = -3)

zvonat [6]

Answer: 40

Step-by-step explanation:

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4 years ago

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