1 year ago

Solve the equation b/4+2=-1. b=

Mathematics

1 answer:

Zolol [24]1 year ago

4 0

Answer:

$\frac{b}{4} + 2 = - 1$

$\frac{b}{4} = - 1 - 2$

$\frac{b}{4 } = - 3$

$b = - 3 \times 4$

$b = - 12$

hope this helps you!!

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Ty collects coins from all over the world.He had 25 coins and received 14 on his birthday.What was the percent increase in coins

Ugo [173]

SOLUTION:

Amount added / Original amount × 100% = % increase

14 / 25 × 100 = 56%

FINAL ANSWER:

Therefore, the percentage increase in coins is 56%.

Hope this helps! :)

6 0

2 years ago

How to calculate 9.1 plus 2.53

dlinn [17]

9.10
+2.53
————
11.63
Just add the rows from the top to the bottom

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2 years ago

3² • 9³ = [ ]<br>solve

RideAnS [48]

Answer:

3⁸ or 6561

Step-by-step explanation:

First, let's look at PEMDAS - Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.

There are no parentheses, so let's solve the exponents.

3² • 9³

3² = 9

9³ = 729

Your expression is:

9 • 729

Now let's multiply.

= 6561

This number can also be expressed with exponents.

Since 9 = 3², 9³ = 3²⁽³⁾

Now your expression is:

3² • 3²⁽³⁾

First, solve the exponents by multiplying.

3² • 3⁶

When you multiply two expressions with exponents that have the same base (3), you add the exponents.

3² • 3⁶ = 3⁽²⁺⁶⁾ = 3⁸

3⁸ also equals 6561.

Your answer is 3⁸ or 6561.

Hope this helps!

4 0

2 years ago

If you pick a card at random from a well shuffled deck, what is the probability that you get a face card or a spade?

tankabanditka [31]

P(Face card) =16/52 = 4/13
P(Spade) = 13/52 =1/4
P(Face ∪ Spade) = 4/13 + 1/4 = 29/52 = 0.557

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2 years ago