3 years ago

Macy is 2 years older than Camille. Twice the sum of their ages is 52.

Mathematics

1 answer:

Oduvanchick [21]3 years ago

7 0

The first one maybe ...

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If s(x)=x-7 and t(x) =4x^2+3 which expression is equivalent to (t×s)(x)

marshall27 [118]

Answer:

$\large\boxed{(t\times s)(x)=4x^3-28x^2+3x-21}$

Step-by-step explanation:

$s(x)=x-7\\t(x)=4x^2+3\\\\(t\times s)(x)=t(x)\times s(x)\\\\\text{Substitute:}\\\\(t\times s)(x)=(4x^2+3)(x-7)\\\\\text{use FOIL:}\ (a+b)(c+d)=ac+ad+bc+bd\\\\(t\times s)(x)=(4x^2)(x)+(4x^2)(-7)+(3)(x)+(3)(-7)\\\\=4x^3-28x^2+3x-21$

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3 years ago

What is the product of 4 and 8V200 in simplest radical form?

Sonja [21]

Answer:

320√2

Step-by-step explanation:

4 * 8√200

= 4 * 8√2√100

= 32 * √2 * 10

= 320√2

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3 years ago

a cylindrical can has a circumference of 40cm and a capacity of 4.8 litres. Find the capacity of a similar cylinder of circumfer

notsponge [240]

Answer:

V2/V1 = c2/c1

V/4.8 = 50/40

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Step-by-step explanation:

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3 years ago

Simplify the expression (7+5)+4•13-2

Yakvenalex [24]

Pemdas

Parentheses exponents multiplication divide add subtract (7+5)=12

12+4•13-2 4•13= 52

12+52-2
64-2

The answer is 62

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Myras stamp collection consisted of 120 stamps in October by the following March her collection had grown to 138 stamps by how m

Karolina [17]

The answer is 18. Just take the number that comes later and simply subtract from the original number. EXAMPLE- 138-120=18. Hope this helps.

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3 years ago

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