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Marianna [84]
2 years ago
6

What is the value of this expression when a =-9?

Mathematics
1 answer:
brilliants [131]2 years ago
5 0

Answer: 10

Step-by-step explanation:

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78×13-8×78+26×78-78=
Amanda [17]

Applying BODMAS (Order of operations rule)

Where: B is for brackets

O is for 'of' which means multiplication

D is for division

M is for multiplication

A is for addition

S is for subtraction

<u>In this case:</u>

We start with addition then we go to addition and finally we subtract.

(78 × 13) - (8 × 78) + (26 × 78) - 78

= 1014 - 624 + 2028 - 78

= 1014 + 2028 - 624 - 78

= 3042 - 624 - 78

=2340

7 0
3 years ago
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What is an algebra teacher’s favorite breakfast
bazaltina [42]

Answer

Coffee with Bagels

3 0
3 years ago
How old were the twins who played in the recital?
inna [77]
To find out how old the twins were that were in the recital you need to be able to interpret a stem and leaf plot.  The number of the left gets placed with each number on the right to create a number in the data set.  See the key for an example.  This means there were 2 people that were 5 years old making them the twins!
3 0
3 years ago
Jennifer is planning a holiday. The hotel costs $60 per night and her flights cost $150. She has a budget of $500 for hotel and
-BARSIC- [3]

First add 150 + 60 = 210

Second divide 500 divided by 210 = 2.3

Jennifer can stay up to 2 nights.

3 0
3 years ago
A football is about how long?​
Amanda [17]

Answer:

"Big Game's competitive footballs are the exact dimensions set down by the NCAA – approximately 10.5 to 11.5 inches in length, with a circumference of roughly 28 inches on the long side of the ball and 21 inches on the short side."

Step-by-step explanation:

Hope this helps

6 0
3 years ago
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