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3 years ago

Find the product using FOIL. (3z+3)(5z+8)

Mathematics

2 answers:

Verdich [7]3 years ago

8 0

Answer:

15z² + 39z + 24

Step-by-step explanation:

(3z+3)(5z+8)

(3z×5z) + (3z×8) + (3×5z) + (3×8)

15z² + 24z + 15z + 24

15z² + 39z + 24

attashe74 [19]3 years ago

7 0

Using FOIL you multiply each term in the first set of parentheses by each term in the other set, then combine all like terms:

(3z+3)(5z+8)

3z x 5z = 15z^2

3z x 8 = 24z

3 x 5z = 15z

3 x 8 = 24

So you now have:

15z^2 + 24z + 15z + 24

Simplify to:

15^2 + 39z + 24

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A submarine is exploring the Pacific Ocean. At 502.5 feet below sea level, the water temperature is 6 1/4 °F. The submarine dive

Whitepunk [10]

Step-by-step explanation:

At the elevation 617.5 feet below the sea level temperature of the water was °F

Step-by-step explanation:

At 502.5 feet below the sea level temperature of the water is °F

When submarine dives down 115 feet deeper, water temperature drops by °F

Elevation after the submarine dove = -502.5 - 115 = -617.5 feet

This negative sign represents the elevation below the sea level.

And the temperature will be =

= °F

Therefore, at the elevation 617.5 feet below the sea level temperature of the water was °F

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3 years ago

Read 2 more answers

While hovering near the top of Ribbon Falls in Yosemite National Park at 1600 feet, a

ella [17]

Answer:

a)The sunglasses hit the ground at t=0 seconds

b)The maximum height h(t) = 1600feet

Step-by-step explanation:

Step(i):-

Given that the polynomial function

h(t) = -16 t² + 1600 ...(i)

Differentiating equation (i) with respective to 't' , we get

$\frac{dh}{dt} = -16(2t)+0$

Equating zero

$\frac{dh}{dt} = 0$

⇒ -32t =0

⇒ t =0

The sunglasses hit the ground at t=0 seconds

Step(ii):-

Again differentiating with respective to 't', we get

$\frac{d^{2} h}{dt^{2} } = -32(1) = -32$

The maximum height at t=0

h(t) = -16 t² + 1600

h(t) = 1600feet

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3 years ago

1.5.3

SIZIF [17.4K]

Answer:

A. $x^2 = (4x - 1)^2 + (6x + 7)^2$

Step-by-step explanation:

The question seems to be incomplete. However, we'll make the following assumption.

$Opposite = 6x + 7$

$Adjacent = 4x - 1$

$Hypothenuse = x$

Pythagoras theorem states that:

$Hypothenuse^2 = Opposite^2 + Adjacent^2$

Substitute values for Hypothenuse, Opposite and Adjacent.

This gives

$x^2 = (6x + 7)^2 + (4x - 1)^2$

$x^2 = (4x - 1)^2 + (6x + 7)^2$

From the list of given options.

A answers the question

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3 years ago

Round 5.1234 To thousandhts to thousandths to thousandths

natali 33 [55]

Round 5.1234 To thousandhts = 5.123
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3 years ago

Which expression is equivalent to (2x2 +3)(x+4)

FrozenT [24]

The answer should be 7x+28
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