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3 years ago

Please answer this correctly

Mathematics

2 answers:

Zielflug [23.3K]3 years ago

8 0

Answer:

Step-by-step explanation:

There are two columns in the diagram.

The column headed stem represents tens while the column headed leaf represents units. e.g. 2 3 = 23

So we just have to count how many of the numbers are less than 8 in the 6th Stem column and all the numbers below it, which are:

20, 23, 28, 31, 31, 34, 38, 40, 44, 50, 51, 53, 54, 65, 65, 66

Dennis_Churaev [7]3 years ago

6 0

Answer:

13 students

Step-by-step explanation:

At least 30 and fewer than 67 makes it 30-66

So,

30-66 => 13 students

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What is the answer to this?

amm1812

Answer:

solution,

BC=8.4 cm

AB=12 cm

BD=4.1 cm

We have to find out: AC ,CD

using Pythagoras theorem:

In ∆ABC ,<B=90°

${(ac)}^{2} = {(ab)}^{2} + {(bc)}^{2} \\ {(ac)}^{2} = {(12)}^{2} + {(8.4)}^{2} \\ {(ac)}^{2} = 144 + 70.56 \\ {(ac)}^{2} = 214.56 \\ ac = \sqrt{214.56} \\ ac = 14.64 \: cm$

Similarly,

In ∆BCD, CB=90

$cd = \sqrt{ {(8.4)}^{2} + {(4.1)}^{2} }$

$= \sqrt{70.56 + 16.81} \\ = \sqrt{87.37} \\ = 9.34 \: cm$

Perimeter:

AC+CD+AD

=14.64+9.34+(12+4.1)

=40.08

= 40.1 cm

Hope this helps...

Good luck on your assignment..

7 0

3 years ago

What's the 5th sequence of 9

Yuki888 [10]

The sequence of 9 is 9, 81, 729, 6561, 59049, 531441, ect. hope this helps
1 2 3 4 5 6

5 0

3 years ago

The factored form of 10x^2 - 31x + 15

pochemuha

Answer:

(5x-3)(2x-5)

Step-by-step explanation:

10x^2 - 31x + 15

=(10x^2-6x)+(-25x+15)

=2x(5x-3)-5(5x-3)

=(5x-3)(2x-5)

I hope this helps!

7 0

4 years ago

Helpppp big brains am I right??

noname [10]

Answer:

y=3x+4

Step-by-step explanation:

This is the correct answer

7 0

2 years ago

PLEASE HELP ASAP!! WILL GIVE BRAINLIEST!!

zhenek [66]

Given is :

The area of the rectangular patio is = 130 square feet

Let the width of the patio be = x feet

As length is 3 feet more than the width, so the length is = x+3 feet

Now area of rectangle is = length * width

$x(x+3)=130$

$x^{2}+3x=130$

$x^{2}+3x-130=0$

$x^{2}+13x-10x-130=0$

$x(x+13)-10(x+13)=0$

$(x-10)(x+13)=0$

This gives either x-10=0 or x+13=0

x-10=0 ; x=10

x+13=0 ; x=-13 (neglect this negative value)

So, the width of the patio is = 10 feet

Length = 10+3 = 13 feet

7 0

4 years ago