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2 years ago

12

Twenty-five percent of the students had forgotten the year of the Declaration of Independence. If 57 students had not forgotten,

how many students were there in all

1 answer:

Phantasy [73]2 years ago

4 0

Answer:

76,

Step-by-step explanation:

If you divide 57 by 3, you get 19. If you times 19 by 4 that is the total number of students there were in all.

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there are four times as many cows as horses on a farm. there are twice as many horses as pigs on the farm. which list shows the

Gnesinka [82]

Well for what I understood...

Let's say...

10 Pigs in total... Horses is 2 times more than pigs so
20 Horses in total... Cow is 4 times more than horses so
80 Cows in total...

The numbers are just examples of what I sort of understood.

3 0

2 years ago

Explain why the function is discontinuous at the given number

Blizzard [7]

For $f$ to be continuous at $x=5$ , we need to have

$\displaystyle\lim_{x\to5}f(x)=f(5)$

Note that $x\to5$ means that $x\neq5$ , but that $x$ is *approaching* 5. We're told that for $x\neq5$ , we have

$f(x)=\dfrac{x^2-5x}{x^2-25}$

We can write

$\dfrac{x^2-5x}{x^2-25}=\dfrac{x(x-5)}{(x+5)(x-5)}=\dfrac x{x+5}$

and the limit would be

$\displaystyle\lim_{x\to5}\frac x{x+5}=\dfrac5{5+5}=\dfrac5{10}=\dfrac12\neq1=f(5)$

and so $f$ is discontinuous.

5 0

3 years ago

butalik [34]

Answer:

d

Step-by-step explanation:

5 0

2 years ago

1. g(x) = x2-1<br> Parent function

GREYUIT [131]

Answer:

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Step-by-step explanation:

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4 0

3 years ago

Read 2 more answers

Which of these triangles appears not to be congruent to any others shown

Romashka [77]

Answer:

Options (B) and (D)

Step-by-step explanation:

If two triangles have the same size and shape they are said to be congruent triangles.

Triangles given in the attachment,

Triangles A and E appear to be congruent.

And triangles C and F appear to be congruent.

[Since corresponding sides of these triangles don't appear to be the same in measure]

Remaining triangles B and D do not appear to be congruent.

Therefore, Options (B) and (D) will be the answer.

7 0

3 years ago

Read 2 more answers