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3 years ago

What is 20x8 divided by 3-5

Mathematics

1 answer:

german3 years ago

7 0

Answer:

-80

Step-by-step explanation:

→ Complete the multiplication

20 × 8 = 160

→ Complete the take away

3 - 5 = -2

→ Divide the two answers from each other

160 ÷ -2 = -80

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The 300 students at a school voted on four possibilities for an end-of-the-year event. The results are shown in the graph below.

fenix001 [56]

Step-by-step explanation:

44-18=26

if 300=100 percent

? =26 percent

26×300=7800

7800÷100=78

the answer is 78 students

5 0

3 years ago

How to draw isoquant curves for a certain quantity?

Afina-wow [57]

A production isoquant is drawn on a graph with labor on one axis, capital on the other. Isoquants usually have a concave shape. The isoquant represents the mix of capital and labor that will produce a given, fixed level of output.

7 0

3 years ago

Pls help, question on the picture

adelina 88 [10]

What is the question

7 0

3 years ago

An adult can lose or gain two pounds of water in the course of a day. Assume that the changes in water weight are uniformly dist

Levart [38]

Answer:

Standard deviation of the weight over a day is 1.15

Step-by-step explanation:

Since it is given that water weight is uniformly distributed between -2 to 2.

So applying formula for variance of uniformly distribution as follows,

$variance=\dfrac{\left (b-a\right )^{2}}{12}$

From the given data, values of a and b is , $a=-2$ , $b=2$ ..

Substituting the values,

$variance=\dfrac{\left (2-\left (-2 \right )\right )^{2}}{12}$

Now, $-\left ( -2 \right )=2$

$variance=\dfrac{\left (2+2\right )^{2}}{12}$

$variance=\dfrac{\left (4\right )^{2}}{12}$

$variance=\dfrac{16}{12}$

Dividing the fraction by 4,

$variance=\dfrac{4}{3}$

So, the value of variance is $\dfrac{4}{3}$

The formula for standard deviation is given as,

$Standard\:deviation=\sqrt{variance}$

Substituting the value,

$Standard\:deviation=\sqrt{\dfrac{4}{3}}$

$Standard\:deviation=1.15470$

Rounding to 2 decimal places,

$Standard\:deviation=1.15$

So, the value of standard deviation is 1.15.

4 0

3 years ago

Read 2 more answers

What is 8x14-(3x11 does anyone know

Anon25 [30]

112-33=79
Your answer is 79.

8 0

3 years ago

Read 2 more answers