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kotegsom [21]
3 years ago
15

Evaluate. Show all work 51-(21-5)x2

Mathematics
2 answers:
marishachu [46]3 years ago
8 0

Step-by-step explanation:

B bracket

O of

D division

M multiplication

A addition

S subtraction

therefore 51-32 is equal to 49

masya89 [10]3 years ago
5 0

Answer:

19

Step-by-step explanation:

51-(16)x2

16x2=32

51-32=19

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How many quarter hours are in 5 hours?
nikklg [1K]
There is a few ways to get the result.
Lets try this.
First calculate how many minutes are in the 5 hours.
60min*5=300min - in 5 hours
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6 0
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Gloria earned $144 for 8 hours of work. What is her unit rate? Use a ratio table
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5 0
3 years ago
Does anyone know what has integers as it's square root?
Snezhnost [94]
It shouldn't be too tough to find one of those, seeing that there are
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To create one, take any integer, positive or negative, and multiply it by itself.

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3 0
3 years ago
tess has 100 dimes and quarters , if the total of the coins is $21.40 how many of each of the coins does she have ?? Using subst
Zanzabum

Answer: 24 and 76

Step-by-step explanation:

{

d

+

q

=

100

10

d

+

25

q

=

2140

From the first equation, we have  

d

=

100

−

q

Substituting that into the second equation, we have

10

(

100

−

q

)

+

25

q

=

2140

⇒

1000

−

10

q

+

25

q

=

2140

⇒

15

q

=

1140

⇒

q

=

1140

15

=

76

Knowing that  

q

=

76

we can substitute that value into the first equation to obtain

d

+

76

=

100

∴

d

=

24

Thus, Sue has  

24

dimes and  

76

quarters.

4 0
3 years ago
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