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Alona [7]
2 years ago
15

Yoko evaluates 7 divide 1/6 by using a related multiplication expression. Which multiplication expression should she use?

Mathematics
2 answers:
sammy [17]2 years ago
7 0

Answer:

The required multiplication expression is 7×6.

Step-by-step explanation:

Consider the provided expression.

It is given that Yoko evaluates 7 divide 1/6 by using a related multiplication expression.

The above statement can be written as:

7÷1/6

\frac{7}{\frac{1}{6}}

To divide the provided fractions, multiply the reciprocal of the divisor,

Take the reciprocal of 1/6 and multiply it by 7.

The reciprocal of 1/6 is 6.

7\times 6

Hence, the required multiplication expression is 7×6.

Olin [163]2 years ago
4 0
\bf 7\div \cfrac{1}{6}\implies 7\cdot \cfrac{6}{1}
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Answer:

The correct option is;

(B) Yes, because sampling distributions of population proportions are modeled with a normal model.

Step-by-step explanation:

Here we have the condition for normality being that where we have a population with a given mean and standard deviation, while a sufficiently large sample is drawn from the population while being replaced, the distribution of the sample mean p will be distributed normally according to central limit theorem.

8 0
2 years ago
A pound of oranges costs $2 less than a pound of pears. Together, ten pounds of oranges and eight pounds of pears cost $61. How
Thepotemich [5.8K]

Let us say that:

o = cost of oranges per pound

p = cost of pears per pound

 

so that:

o = p – 2

 

Therefore:

10o + 8p = 61

10 (p – 2) + 8p = 61

10p – 20 + 8p = 61

18p = 81

p = 4.5

p = $4.5 per pound

 

So 3 pounds of pears would cost:

total cost = 3 * 4.5

total cost = $13.5

3 0
2 years ago
If M is the midpoint of XY, find the coordinates of X if M(-3,-1) and Y(-8,6).
NeTakaya

Answer:

(2, -8)

Step-by-step explanation:

The coordinates of M are the average of the coordinates of X and Y.

-3 = (x + -8) / 2

-1 = (y + 6) / 2

Solving:

x = 2

y = -8

7 0
2 years ago
A charity organization had to sell 18 tickets to their fundraiser just to cover necessary production costs.
meriva

Answer: slope and x-intercept

4 0
2 years ago
Read 2 more answers
Coordinates, gradient and tangent work (see image).
Ivenika [448]

Answer:

a) P(x,2x^2-5),\ Q(x+h,2(x+h)^2-5)

b) 4x+2h

c) 4x

Step-by-step explanation:

Given the curve

y=2x^2-5

a) If the x-coordinate of P is x, then the y-coordinate is 2x^2-5, so point P has coordinates (x,2x^2-5)

If the x-coordinate of Q is x+h, then the y-coordinate is 2(x+h)^2-5 so point Q has coordinates (x+h,2(x+h)^2-5)

b) The gradient of the secant RQ is

\dfrac{y_Q-y_P}{x_Q-x_P}\\ \\=\dfrac{(2(x+h)^2-5)-(2x^2-5)}{(x+h)-x}\\ \\=\dfrac{2(x+h)^2-5-x^2+5}{x+h-x}\\ \\=\dfrac{2(x+h)^2-2x^2}{h}\\ \\=\dfrac{2x^2+4xh+2h^2-2x^2}{h}\\ \\=\dfrac{4xh+2h^2}{h}\\ \\=4x+2h

c) If h\rightarrow 0, then the gradient 4x+2h\rightarrow 4x

5 0
2 years ago
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