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Vinil7 [7]
3 years ago
9

Which of the following statements are always true about matrices?

Mathematics
1 answer:
miv72 [106K]3 years ago
5 0

Answer: b,c, d

Step-by-step explanation:

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A student spend $56.35 on school supplies at a store where the sales tax is 6.5%. What is the total cost of the supplies?
ArbitrLikvidat [17]

Answer:

$60.01

Step-by-step explanation:

To find tax you first multiply the original price x the tax(make sure to change it into a decimal)

56.35 x 0.065 =3.66

Then you add the original price and the result.

56.35 + 3.66 = $60.01

7 0
3 years ago
Macie Andersen earns $9.75 an hour working at the local bookstore. Last week she worked 17 hours. This week she worked 25 hours.
vovangra [49]

Answer:

$407.50

Step-by-step explanation:

take 9.75 × 17=165.75

take 9.75 × 25=243.75

add 165.75 and 243.75=407.50

turn into dollars $407.50

6 0
4 years ago
Factorise fully<br>-12a - 16 <br><br>please do quick, first to answer marked brainiest!!​
Allushta [10]

Answer:

-4( 3a+4)

Step-by-step explanation:

-12a - 16

-4*3a -4*4

Factor out a -4

-4( 3a+4)

3 0
3 years ago
What is P(not odd)? if u roll a 6-sided die
ANEK [815]

\qquad\qquad\huge\underline{{\sf Answer}}

We have to find the probability of not getting odd, whole rolling a 6 sided die ~

Actually dices have 3 odd numbers (1 , 3 , 5) and 3 non - odd numbers (2 , 4 ,6)

When we roll a dice, we may get any of the six numbers, so total possible outcomes are 6

and, The number of Favorable outcomes is 3, i.e non - odd numbers.

\qquad \sf  \dashrightarrow \: p(not \: odd) =  \dfrac{favourable \: outcomes}{total \:  \: outcomes}

\qquad \sf  \dashrightarrow \: p(not \: odd) =  \dfrac{3}{6}

\qquad \sf  \dashrightarrow \: p(not \: odd) =  \dfrac{1}{2}  \:  \:  \: or \:  \:  \:  0.5

6 0
2 years ago
Read 2 more answers
Find the hypotenuse of a triangle that has a 13 cm leg and a height of 7 cm.
fredd [130]
Hello, it would be the sqrt of 218, which rounded to the hundredths is around 14.77 cm. hope this helps!
8 0
3 years ago
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