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2 years ago

4(y - 3) using distributive property

Mathematics

1 answer:

eduard2 years ago

8 0

Answer:

4y - 12

Step-by-step explanation:

4(y - 3)

(4 x y) - (4 x 3)

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Z varies directly as x2. If z = 16 when x = 2, find z when x = 5.<br> ...<br> Z=

PtichkaEL [24]

Answer:

100

Step-by-step explanation:

it is a bit unclear to me, what that problem description means.

if I understand it correctly, than z is directly depending on x².

so, z = 16 for x = 2. x² = 4

I pondered a little bit, as there are several possibilities to connect 16 with 4 as a driving factor (e.g. 2⁴ = 16, 4×4 = 16, 12 + 4 = 16).

I decided to go with the simplest interpretation with the usual meaning of "varies" (multiplication) : 4×x²

that would mean

z = 4×x² = 4×5² = 4×25 = 100

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2 years ago

Which equation has the correct sign on the product

Nata [24]

C. Because c is makes more sense

7 0

2 years ago

Read 2 more answers

17 __ a solution od d - 6 = 23<br><br> is it or is it not

anygoal [31]

Answer:

29 is the answer.

:-)

;-)

3 0

2 years ago

Read 2 more answers

10 points

oee [108]

Answer:

x = 240 feet

Step-by-step explanation:

It is given that,

The angle of depression is 30 degrees from the bottom of the boat to a deep sea diver at the depth of 120 ft.

We need to find the distance x the diver must swim up to the boat. It can be calculate by applying trigonometry as follows :

$\sin30=\dfrac{120}{x}\\\\x=\dfrac{120}{\sin30}\\\\x=240\ \text{feet}$

So, the distance the diver must swim up to the boat is 240 feet.

6 0

3 years ago

What is the answer to. Write a polynomial equation with integer coefficients that has the given roots, x=7 and x=-5

rewona [7]

$\bf \begin{cases}
x=7\implies &x-7=0\\
x=-5\implies &x+5=0
\end{cases}\implies (x-7)(x+5)=\stackrel{original}{polynomial}
\\\\\\
x^2-2x-35=y\implies 1x^2-2x-35=y$

7 0

3 years ago

4(y - 3) using distributive property​

4(y - 3) using distributive property