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2 years ago

Just trying to get through this test I would really appreciate some help

Mathematics

1 answer:

jeka942 years ago

8 0

Answer:

its D

Step-by-step explanation:

because if you look it say because how many charms it have is how much it cost

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Make x the subject of the formula Y=3x+2

andrew-mc [135]

Answer:

(y-2)÷3=x

Step-by-step explanation:

y=3x+2

y-2=3x

(y-2)÷3=x

This answer could also be written as a fraction: y-2 over 3, equals x.

5 0

3 years ago

There are 6 pennies, 9 nickels, and 3 dimes in a box. Find the probability of P(1 nickel and then 1 dime)—with replacement. what

densk [106]

The probability is 1/12

The probability of choosing a nickel is 9/18 = 1/2. The probability of choosing a dime is 3/18 (because there are 3 dimes and since there is replacement, we still have 18 total coins to choose). With these, we get: (1/2) * (3/18) = 3/36 = 1/12

3 0

3 years ago

Given(33×-2) y+22=15

Leona [35]

Answer:

11x(3y+66)+2y=59.

Step-by-step explanation:

33x(y+22)-2(y+22)=15

33xy+726x-2y-44=15

33xy+726x-2y=15+44

33xy+726x-2y=59

11x(3y+66)-2y=59

5 0

3 years ago

The revenue R you receive for selling pizza slices depends on the price p that you charge per slice and is modeled by R =-16p

sp2606 [1]

Answer:

$p \geq 0$

Step-by-step explanation:

Given

$R(p) = -16p^2 + 80p + 5$

Required

Determine the domain of the function

To do this, we need to solve for the vertex, p of the function

$p= \frac{-b}{2a}$

Given the the general form of a quadratic function is:

$y = ax^2 + bx + c$

By comparison, we have:

$a = -16$ $b =80$ $c = 5$

So:

$p= \frac{-b}{2a}$

$p = \frac{-80}{-16 * 5}$

$p = \frac{-80}{-80}$

$p = 1$

Substitute 1 for p in $R(p) = -16p^2 + 80p + 5$

$R(1) = -16(1)^2 + 80(1) + 5$

$R(1) = -16 + 80 + 5$

$R(1) = 69$

This implies that

$(p, R) = (1,69)$

The interpretation of this is that;

For every value of p, there's a corresponding value of R.

However, because p indicates price and it's impossible to have a negative price, we can say that the minimum value of p is 0;

Hence, the domain is

$p \geq 0$

8 0

3 years ago

What is -10x <img src="https://tex.z-dn.net/?f=%20-%2010x%20%20%5Cleqslant%205" id="TexFormula1" title=" - 10x \leqslant 5"

klio [65]

Answer:

x >=-2

Step-by-step explanation:

-10x <= 5

divide each side by -10

remember to flip the inequality when dividing by a negative

-10x/-10 >=5/-10

x >=-2

7 0

3 years ago