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3 years ago

Can yall help meh xD

Mathematics

2 answers:

Novosadov [1.4K]3 years ago

4 0

Divide the number by the 100

Valentin [98]3 years ago

3 0

Answer:

Here's the answer

Step-by-step explanation:

Dividing the number by 1000

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Jonathan records how 90 pupils travelled to school on one day and represents this information on the pie chart below.

xeze [42]

Answer:

86.4

Step-by-step explanation:

First adding up all the percentages on the chart you get 360

Then figuring out what 24° of 360 is

You then get 86.4

4 0

1 year ago

28 squared minus 39x minus 80 equals 0

Rudik [331]

Answer:

x = 704/39 ( <----Fraction)

Step-by-step explanation:

28 squared minus 39x minus 80 equals 0

784-39x-80=0 evaluate the power

704-39x=0 Subtract the numbers

-39x=-704 move the constant to the right hand side and change it's sign

Divide on both side to get x = 704/39

3 0

3 years ago

What's the factory of 10

sergey [27]

Answer:

1,2,5,10

Step-by-step explanation:

Do you mean factors? If so, these are the factors of ten.

3 0

2 years ago

Read 2 more answers

What is the value of a in the equation 5a-10b=45, when b=3?

Ainat [17]

Answer:5a-30=45

Step-by-step explanation:

So something times 5 minus 30 will give you 45

8 0

2 years ago

Read 2 more answers

Find the area of the largest square contained by a circle of radius r = 1cm. Explain your answer and justify that it is correct.

Elena-2011 [213]

Answer:

2 square cm

Step-by-step explanation:

Given :

A square is inscribed in a circle whose radius is r = 1 cm

Therefore, the diameter of the circle is 2 r = 2 x 1

= 2 cm.

So the diagonal of the square is 2r.

Using the Pythagoras theorem, we find each of the side of the triangle is $r \sqrt 2$ .

Therefore, the area of the square is given by $\text{(side)}^2$

= $(r\sqrt 2)^2$

$= 2 r^2$

$= 2 (1)^2$

$=2 \ cm^2$

Hence the area of the largest square that is contained by a circle of radius 1 cm is 2 cm square.

7 0

2 years ago