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3 years ago

Find the missing coordinate to complete the ordered-pair solution to the given linear equation.

Mathematics

1 answer:

Archy [21]3 years ago

7 0

Answer:

(a) (0, 2)

(b) (3, 26)

Step-by-step explanation:

y = 8x + 2

(a) x = 0, y = 8(0) + 2 = 2

(b) x = 3, y = 8(3) + 2 = 24 + 2 = 26

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A survey was conducted of 457 teenagers. Thirty-five percent of the teenagers said they occasionally smoked cigarettes.

ser-zykov [4K]

Answer:

35% of 457 is 159.95 - there cant be 0.95 of a teenager

Around a third of those surveyed smoke cigarettes

Step-by-step explanation:

6 0

4 years ago

I really need Help with this equation Please!!!!

Slav-nsk [51]

Answer:

Option D: - 6; $\textbf{-5}\frac{\textbf{5}}{\textbf{2}}$ ; $\textbf{-4}\frac{\textbf{1}}{\textbf{5}}$ .

Step-by-step explanation:

The sequence is defined by:

$A(n) = -6 + (n - 1)\bigg( \frac{1}{5} \bigg )$

To find the first term of the sequence simply substitute n = 1.

First term of the sequence:

$A(1) = -6 + (1 - 1)\bigg( \frac{1}{5} \bigg )$

$= - 6$

Fourth term of the sequence:

$A(2) = -6 + (4 - 1) \bigg ( \frac{1}{5} \bigg)$

$= - 6 + 3\bigg( \frac{1}{5} \bigg)$

$= \frac{- 30 + 3}{5}$

$= \frac{-27}{5}$

$= \frac{-25 - 2}{5}$

$= - 5 - \frac{2}{5}$

$= -5\frac{2}{5}$ is the required answer.

Tenth term of the sequence:

$A(10) = - 6 + (10 - 1) \bigg( \frac{1}{5} \bigg)$

$= - 6 + 9\bigg( \frac{1}{5} \bigg)$

$= \frac{-30 + 9}{5}$

$= \frac{-21}{5}$

$= \frac{-20 - 1}{5}$

$= - 4 - \frac{1}{5}$

$= -4\frac{1}{5}$ is the required answer.

3 0

4 years ago

F(x)=4x^2-17x+3 how many distinct real number zeros does f have?

Harrizon [31]

Answer:

Step-by-step explanation:

2 distinct real number zeros

Step-by-step explanation:

The discriminant b^2 - 4ac

= (-17)^2 - 4*4*3

= 241

So it has 2 distinct roots.

4 0

3 years ago

Thomas buys a case of bottled water.A case contains 36 bottles of water and cost $4.69. Thomas will sell each bottle of water fo

steposvetlana [31]

Answer:

$22.31

Step-by-step explanation:

At $0.75 per bottle for 36 bottles, Thomas will have sales of ...

$0.75 × 36 = $27.00

His cost is $4.69, so his earnings will be ...

$27.00 -4.69 = $22.31

Thomas will earn $22.31 in profit if he sells all the bottles of water.

_____

He only needs to sell 7 bottles to cover his cost.

8 0

3 years ago

What angle does an arc 5.5cm in length subtend at the center of a circle of diameter 7cm

kotykmax [81]

Answer:

Step-by-step explanation:

Circumference of circle = 7π cm

θ = 2π × 5.5/(7π) = 11/7 radians

5 0

3 years ago