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3 years ago

(HELP IM GONNA GET BAD GRADES)

Mathematics

2 answers:

Firlakuza [10]3 years ago

7 0

9 is your answer to your question

Leokris [45]3 years ago

7 0

I think it's nine because bother numbers are divisable by nine 63 ÷9 is 7
and 81 ÷9 is 9 so try to arrange them into rows of rubarb tomato rubarb tomato until each has nine then make new row with same thing over untill you run out
it's worth ashot

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Carrie oakey has only nickles to spend at the fair. She buys 3 tickets for 50 cents each and has $.40 left over. How many coins

Nat2105 [25]

Answer:

she had 18 nickles

Step-by-step explanation: your so welcome

7 0

3 years ago

Simplify x+2/x^2+2x-3 divide by x+2/x^2-x

ira [324]

$\dfrac{\frac{x+2}{x^2+2x-3}}{\frac{x+2}{x^2-x}}$

If $x\neq-2$ , then we can immediately cancel the factors of $x+2$ :

$\dfrac{\frac1{x^2+2x-3}}{\frac1{x^2-x}}=\dfrac{x^2-x}{x^2+2x-3}$

Factorize the numerator and denominator:

$x^2-x=x(x-1)$

$x^2+2x-3=(x+3)(x-1)$

Next, if $x\neq1$ , then

$\dfrac{x^2-x}{x^2+2x-3}=\dfrac{x(x-1)}{(x+3)(x-1)}=\dfrac x{x+3}$

8 0

3 years ago

Plz ASAP<br><br> 40 POINTS!!!!!

LiRa [457]

Answer:

2 x 4 =8

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

43 POINTS IF U DO THIS! + ILL MARK BRAINLIEST!

gavmur [86]

Answer:

The second one

210 lbs

Step-by-step explanation:

The difference between 7 and 4 is 3

90/3 = 30

30 times 7 = 210

8 0

3 years ago

Read 2 more answers

How would I do this question.

olga2289 [7]

Answer:

The density of cube is 6.17959 $\frac{g}{cm^{3} }$

Step-by-step explanation:

The density is given by ration of a mass of body and volume occupied by a body.

$\rho = \frac{m}{V}$

Where,

$\rho$ is density.

m is mass of a body

V is the volume of a body

Given that one side of the cube is 0.53cm

Hence, the volume of a body is V= $0.53^{3}$ =0.148877 $cm^{3}$

Now, the Density of the cube will be

$\rho = \frac{m}{V}$

$\rho = \frac{0.92}{0.148877}$

$\rho =6.17959$

Thus, The density of cube is 6.17959 $\frac{g}{cm^{3} }$

3 0

3 years ago