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user100 [1]
4 years ago
6

-7•(-9) need help on this one with full work including

Mathematics
2 answers:
Veseljchak [2.6K]4 years ago
6 0

Answer:

-7×-9

=63

Step-by-step explanation:

If u multiple - with -, I'll get + sign

galina1969 [7]4 years ago
5 0

Answer:

63

Step-by-step explanation:

-7*(-9)

7*9

63

Best of Luck!

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Find the HCF of 64 and 80.
Varvara68 [4.7K]

Answer:

64=2✖️2✖️2✖️2✖️2✖️2

80=2✖️2✖️2✖️2✖️2✖️5

Common factors=2✖️2✖️2✖️2

As HCF= Product of common factors

HCF =2✖️2✖️2✖️2

HCF=16

Step-by-step explanation:

I hope this will help you:)

7 0
4 years ago
Read 2 more answers
Please help!
Vilka [71]

Answer:

The number of comic books did they have in all   = 56

Step-by-step explanation:

The ratio of comics with Susan : Abe = 3 : 5

Let us assume the common factor on this ratio = m

So, the number of comics Susan has  = 3 m

The number of comics Abe has  = 5 m

Also, given:  Abe had 14 more comic books than Susan

So, the number of comics Abe had  = 14 + 3 m

⇒  5 m  =  3 m + 14

or,   2 m = 14, or m = 7

So, the number of books Susan has = 3 m = 3 x 7 = 21 books

The number of books Abe has  = 5 m = 5 x 7 = 35

So, the book they have in all = 21 +  35 = 56

5 0
3 years ago
Which angle’s measure is equal to the sum of the measures of ∠BAC and ∠BCA?
hjlf

Answer: <CBE

Step-by-step explanation:

4 0
3 years ago
A 6 ft tall petrified stump standing next to a car casts a 12 ft shadow. If the car casts a shadow that is 6 ft long, then how t
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3 feet tall

Step-by-step explanation:

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The two shorter sides called legs for the right angle , true or false?
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True

Step-by-step explanation:

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