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3 years ago

Classify the statements based on whether they are represented by +3 or -3.

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

5 0

Answer

Step-by-step explanation:

If you deposit money, your bank account shows it as +3

3 degrees below zero = - 3 o F which is darn cold.

3 floors below ground level = - 3 floors below ground level

3 feet above sea level = +3 feet

3 degrees about 0 = + 3

3 dollars lost = -3 dollars.

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Resiprocal of (-3/7)^2!

USPshnik [31]

Answer:

$\frac{49}{9}$

Step-by-step explanation:

Given

$(\frac{-3}{7})^{2!}$

Required

Determine the reciprocal

If a number is x, the reciprocal is: 1/x

So, the reciprocal of $(\frac{-3}{7})^{2!}$ is:

$\frac{1}{(\frac{-3}{7})^{2!}}$

$2! = 2*1 =2$

So, we have:

$\frac{1}{(\frac{-3}{7})^{2}}$

$\frac{1}{(\frac{-3^{2}}{7^{2}})}$

Evaluate all exponents

$\frac{1}{(\frac{9}{49})}$

Take inverse of 9/49

$\frac{49}{9}$

Hence, the reciprocal of $(\frac{-3}{7})^{2!}$ is $\frac{49}{9}$

5 0

3 years ago

Need some help with this matrices question

Luba_88 [7]

Answer:

See below.

Step-by-step explanation:

PM as the number or rows not equal to coloumn

1*2 as MN = ( 32 )

( 61 )

= ( 4x2+7x4 4x3+7x8 4x9+7x1)

=(36 68 43)

5 0

2 years ago

If the cost of a medium shirt is $10 and a small is $8, Make a table to find the cost for all

Annette [7]

<h3>Answer: I can't draw on this though</h3>

Step-by-step explanation:

3 0

3 years ago

What's the number of people left to play at 10 of <br> 15 have played

erma4kov [3.2K]

Answer:

5 people will be left to play

5 0

4 years ago

Read 2 more answers

Can anyone please work out question 10 in the picture and clearly explain it? Would appreciate it

kotykmax [81]

9945/ 39= 255
If you were to try to divide 99 by thirty five it would not be a whole. You would be able to multiply 39 by 2 to get 78. 99 subtracted by 78 = 21 you would then carry down the 4. to equal 214 you would then figure out 39 multiplied by 5 is the highest number to figure a 195 you would have 19 left over. Carry down your 5 and would have 195. You would have 195 again and then multiply 39 by 5 and it would equal out to 195. Your answer would then be 255.

6 0

3 years ago