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3 years ago

A class has six boys and 15 girls what is the ratio of boys to girls

Mathematics

1 answer:

leva [86]3 years ago

6 0

# of boys : # of girls
This can be written as
6:15
6 to 15, or
6/15

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Simplify the expression<br> 65-4^2 (10-2)+37 <br> please show all work

BartSMP [9]

Hello there!

$65-4^2 (10-2)+37 \\$

Explanation:

↓↓↓↓↓↓↓↓↓↓↓↓↓

I gave you a hint.

You had to used PEMDAS.

P-Parenthesis

E-Exponents

M-Multiply

D-Divide

A-Add

S-Subtract

First you had to calculate with parenthesis first.

$65-4^2(10-2)+37$

$65-4^2*8+37$

Then you calculate with exponents.

$4^2=4*4=16$

$65-16*8+37$

You had to multiply and divide you had go to left to right.

$16*8=128$

$65-128+37$

Then you add or subtract you had go to left to right.

$65-128+37=-26$

$=-26$

Answer⇒⇒⇒⇒⇒⇒=-26

Hope this helps!

Thank you for posting your question at here on Brainly.

Have a great day!

-Charlie

6 0

3 years ago

If the relationship below are given in form (input, output), Which pairing always describes a function?

kozerog [31]

Answer:

Step-by-step explanation:

i'm not sure what the answer options are since they're not provided, but it's whichever option has a steady rate of change. (ex: money, time spent earning it; location, time spent driving; length in inches, length in meters)

3 0

3 years ago

Dose this table represent a function?

iogann1982 [59]

No it doesnt because it 8 is repeated and function has 1 outcome for each x

8 0

3 years ago

Can somebody please help me

guajiro [1.7K]

Here is your answer

B. (12,30)

REASON:

Given,

$y= 2x+6$ .......(i)

$3x-y= 6$ .......(ii)

Putting the value of y from eq.i in eq.ii we get

$3x-(2x+6)=6$

$3x-2x-6=6$

$=6+6$

$x=12$

Putting x=12 in eq.i we get

$y= 2x+6$

$y= 2×12+6$

$y= 24+6$

$y= 30$

So,

$\bold{x=12 and y= 30}$

Hence answer is (12,30) in which x=12 and y=30

HOPE IT IS USEFUL

5 0

3 years ago

Can someone please help me with this

Artist 52 [7]

9514 1404 393

Answer:

21. D

22. C

Step-by-step explanation:

21. The expansion of the given expression is ...

$\displaystyle -\frac{1}{2}\left(-\frac{3}{2}x+6x+1\right)-3x=\frac{3}{4}x-3x-\frac{1}{2}-3x\\\\=\left(\frac{3}{4}-3-3\right)x-\frac{1}{2}=\boxed{-5\frac{1}{4}x-\frac{1}{2}}$

22. The least likely team to make the championship game is the one with the lowest probability.

3/8 < 1/2 < 2/3 < 4/5

The Bulldogs are least likely to play in the championship game.

4 0

3 years ago