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3 years ago

Please help me thanks

Mathematics

2 answers:

rodikova [14]3 years ago

8 0

Answer:

A rational number is a number such as -3/7 that can be expressed as the quotient or fraction a/b of two integers, a numerator q and a non-zero denominator b. Every integer is a rational number: for example, 10 = 10/1.

Advocard [28]3 years ago

7 0

No.

$5 \frac{1}{3}$

First, it is actually a rational number since it can be in a fraction form.
Second, it can be turn into a/b where b≠0

So we can turn from 5 1/3 to 16/3

Note that 16/3 makes infinity decimal but if the infinity decimal can be turnt into a fraction, it will be classified as rational number.

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Rasheed bought two kinds of candy bars, chocolate and toffee, that came in packages of 2 bars each. He handed out 2/3 of the cho

mylen [45]

Answer:

Rasheed bought 9 packages of chocolates bar.

Step-by-step explanation:

Let C be the number of packages of chocolate bars.

Let T be the number of packages of toffee bars.

Rasheed handed out 2/3 of 2C of the chocolate bars and 3/5 of 2T of the toffee bars.

(1) Rasheed bought 1 fewer package of chocolate bars than toffee bars.

Equation becomes:

$C=T-1$ .....(1)

(2) Rasheed handed out the same number of each kind of candy bar .

Equation becomes:

$\frac{2}{3}\times 2C =\frac{3}{5}\times 2T$

=> $\frac{4C}{3} =\frac{6T}{5}$

=> $20C=18T$

=> $20C-18T=0$

Taking out 2 common, we get

$10C-9T=0$ ......(2)

Substituting $C=T-1$ in (2)

$10(T-1)-9T=0$

=> $10T-10-9T=0$

=> $T-10=0$

T = 10

As $C=T-1$

$C=10-1$

C = 9

Therefore, Rasheed bought 9 packages of chocolates bar.

5 0

3 years ago

Write an equation for the relationship shown in the table.

Sveta_85 [38]

Answer:

(0.3/1)x-1.7

Step-by-step explanation:

I used the format mx+b

m= slope

x= x value (usually stays as x when you write an equation and replace it with the x value when solving)

b= y-intercept (in this case when p is zero what is the q value)

y-intercept = -1.7 (in this equation found from the table)

slope= 0.3/1 (the rate it the numbers increase at. q is changing +0.3 each time and p is changing by 1. p (or the x value) goes on top of q (or the y value)) (I found the missing information in between 2 and 5)

hence you have (0.3/1)x-1.7

3 0

3 years ago

Read 2 more answers

Pls answer all 5 and 100 points are being offered for these answers. Pls include a very thought out explanation. tysm!

SVETLANKA909090 [29]

What’s the question

3 0

3 years ago

Pls hurry !!<br> 8x+2=5x+12 simplified fraction

leonid [27]

Answer: 10/3