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2 years ago

Which improper fraction is represented by the model? 12 / 4 10 / 3 12 / 3

Mathematics

1 answer:

Ksivusya [100]2 years ago

3 0

Answer:

$\frac{10}{3}$

Step-by-step explanation:

each circle is composed of 3 sectors

The first 3 are completely shaded representing 3 + 3 + 3 = 9 sectors

the last one has 1 sector of 3 shaded representing 1 sector

sectors shaded = 9 + 1 = 10

improper fraction is then $\frac{10}{3}$

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Find the value of y when x equals -1.<br><br> 8x - 2y =10

Artyom0805 [142]

Answer:

y = - 9

Step-by-step explanation:

Substitute in -1 for x

8(-1) - 2y = 10

-8 - 2y = 10

Subtract -8 from both sides

-8 - (-8) cancels out to 0

10 - (-8) = 18

We are left with:

-2y = 18

Divide by -2 on both sides.

-2y/-2 = y

18/-2 = -9

y = -9

6 0

2 years ago

In a continuous series, mean(x) = 80, assumed mean(A) = 60 and<br>EF=40 then find the value of EFd.

Aneli [31]

Using the given information, the value of Σfd is 800

<h3>Calculating mean using Assumed mean </h3>

From the question, we are to determine the value of Σfd

The formula for mean, using the assumed mean method is given by

$\bar x = A + \frac{\sum fd}{\sum f}$

Where $\bar x$ is the mean

A is the assumed mean

From the given information,

$\bar x = 80$

$A = 60$

$\sum f = 40$

Putting the parameters into the equation, we get

$80 = 60 + \frac{\sum fd}{40}$

$80-60 = \frac{\sum fd}{40}$

$20 = \frac{\sum fd}{40}$

$\sum fd = 20 \times 40$

$\sum fd = 800$

Hence, the value of Σfd is 800

Learn more on Mean here: brainly.com/question/20118982

#SPJ1

8 0

1 year ago

Which pairs of angles are vertical angles?

adoni [48]

F,e and h,i are vertical angles i think.

8 0

2 years ago

Read 2 more answers

The committee is planning a party and 150 guests are expected. Each package of plastic spoons contains 24 spoons.

puteri [66]

Answer:

7 packages

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Use exterior angles to solve for interior angles.

Dmitry [639]

Answer:

I could be mistaken but I believe that x= 42.5

Step-by-step explanation:

To find this, you solve for 4x+10=180.

This is because the total angle measure of line RD should be 180 degrees.

When you solve this equation, you get 42.5 for X

8 0

3 years ago