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LekaFEV [45]
2 years ago
6

Please help me!!! I will give Brainliest!

Mathematics
1 answer:
Karo-lina-s [1.5K]2 years ago
7 0

Answer:

1

Step-by-step explanation:

if the boys go in front and the girls go in the back there is only one way to put them

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Prove the sum of two rational numbers is rational where a, b, c, and d are integers and b and d cannot be zero. Fill in the miss
mario62 [17]

Answer:

We conclude that the sum of two rational numbers is rational.

Hence, the fraction will be a rational number. i.e.

  • \frac{ad+cb}{bd}       ∵ b≠0, d≠0, so bd≠0

Step-by-step explanation:

Let a, b, c, and d are integers.

Let a/b and c/d are two rational numbers and b≠0, d≠0

Proving that the sum of two rational numbers is rational.

\frac{a}{b}+\frac{c}{d}

As the least common multiplier of b, d: bd

Adjusting fractions based on the LCM

\frac{a}{b}+\frac{c}{d}=\frac{ad}{bd}+\frac{cb}{db}

\mathrm{Since\:the\:denominators\:are\:equal,\:combine\:the\:fractions}:\quad \frac{a}{c}\pm \frac{b}{c}=\frac{a\pm \:b}{c}

          =\frac{ad+cb}{bd}

As b≠0, d≠0, so bd≠0

Therefore, we conclude that the sum of two rational numbers is rational.

Hence, the fraction will be a rational number. i.e.

  • \frac{ad+cb}{bd}       ∵ b≠0, d≠0, so bd≠0
3 0
3 years ago
1) Jorge takes his friends out for smoothies. He buys 5 smoothies and leaves a $3 tip,
irina1246 [14]

Answer:

15b-x=4

Step-by-step explanation:

i am a smart teacher

7 0
3 years ago
Enter the volume of the right rectangular prim in cubic inches
Sati [7]

Answer:

602 in^2

Step-by-step explanation:

To find volume, multiply length, width, and height. In this case, it is 5, 14, and 8 3/5. I used a calculator, but if not, solve it using regular multiplication. First 5 times 14 since that is easier to get out of the way, then 8 3/5, and it is easiest to treat a fraction as a decimal when multiplying, in this case it would be 0.6. I am not going to explain how I got that since you were asking how to find volume.

5 0
3 years ago
Please help!
Verizon [17]

<em><u>ANSWER</u></em>

23 north latitude is <u>Tropic </u><u>of </u><u>cancer</u>

23 south latitude is <u>Tropic </u><u>of </u><u>Capricorn</u>

<em><u>EXPLANATION</u></em>

I don't mean to change your question but in most cases those are basically angles and should be have the operation sign for degrees (°).

IF THE ANSWER IS RIGHT PLEASE MARK AS BRAINLIEST

8 0
2 years ago
Question 8
tamaranim1 [39]

Answer:

Step-by-step explanation:

The number is 1/2, and 1/2 squared is 1/4.

3 0
2 years ago
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