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3 years ago

Learning task 1week 7

Mathematics

1 answer:

adell [148]3 years ago

8 0

Answer:

A to D is a diameter

M is a center

F to M is a radius

E is a tangent lines

H to A is a chord

C to E is an arc

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A boy saves 80p a day, How much does it take him to save $40

laiz [17]

Answer:

50 Days

Step-by-step explanation:

I'm not sure what the unit "p" is, but I believe it is pennies so. $40/0.80 gives you 50 which is the amount of days it would take for you to get to $40 if you receive 80 cents a day

8 0

2 years ago

2:5 is how much out of 27

spayn [35]

13.5 is your answer, here u are

5 0

3 years ago

Factor Completely 5v^2-5v-100

bogdanovich [222]

$5 {v }^{2} - 5v - 100 \\ = 5( {v}^{2} - v - 25) \\ = 5({v}^{2} + 4v - 5v - 20) \\ = 5[v(v + 4) - 5(v + 4)] \\ = 5(v - 5)(v + 4)$

4 0

3 years ago

Read 2 more answers

I need help can some please answer this 2 2/3+1 1/2

irakobra [83]

Answer:

25/6 or 4 1/6

Step-by-step explanation:

1) convert these fractions to improper fractions first:

8/3+3/2

make like denominators by multiplying 8/3 by 2 and 3/2 by 3

so 8*2/3*2=16/6

3*3/2*3=9/6

16/6+9/6=25/6

Hope this helps!

3 0

3 years ago

Read 2 more answers

Kyoko is reading a book by her favorite author. She read the first 20 pages in One-half of an hour. Reading at the same pace, Ky

eduard

Answer:

It will take her 3 hours to read 120 pages.

Step-by-step explanation:

The number of pages read(y) after x hour can be modeled by a linear function in the following format:

$y = ax + b$

In which a is the number of pages read per hour and b is the initial number of pages read.

A straight line goes through (0, 0)

This means that when $x = 0, y = 0$

$y = ax + b$

$0 = a*0 + b$

$b = 0$

(0.5, 20)

When $x = 0.5, y = 20$

$y = ax$

$20 = 0.5a$

$a = \frac{20}{0.5}$

$a = 40$

The function in:

$y(x) = 40x$

According to the graph, which statement must be true?

It will take her 2 hours to read 60 pages.

$y(2) = 40*2 = 80$

Less than 2 hours for 60 pages, so this is false.

It will take her 3 hours to read 120 pages.

$y(3) = 40*3 = 120$

This statement is true.

It will take her 4 hours to read 180 pages.

$y(4) = 40*4 = 160$

More than 4 hours to read 180 pages. So false.

It will take her 5 hours to read 210 pages.

$y(5) = 40*5 = 200$

More than 5 hours to read 210 pages. So false.

6 0

4 years ago