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Reptile [31]
2 years ago
10

Math answer? can someone help?

Mathematics
1 answer:
goblinko [34]2 years ago
3 0

Answer:

I think the answer is "A"

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(7-3)x(9-2)= what I am stuck help me
natka813 [3]
7-3=4
9-2=7
4x7=28
Use PEMDAS for order of operations, it will save your life
Parenthesis Exponents Multiply Divide Add Subtract
Multiply and Divide  and  Add and Subtract can be switched around with each other, but multiply and divide always happens before add and subtract. The reason you add first here is because it is in the parenthesis.
3 0
3 years ago
What is ∑n=16[4(−5)n−1] equal to?<br><br> Enter your answer in the box.
Cerrena [4.2K]

Step-by-step explanation:

Geometric Sequence formula for general term:

an = a1(r^n-1)

a1 = 4 × (-5)^1-1

a1 = 4

r = -5

Summation formula for geometric sequence :

Sn = a1 ( 1 - r^n / 1 - r )

...<em>take n from the top of the summation.</em>

= 4 ( 1 -(-5)^6 / 1 -(-5)

= -10416.

4 0
2 years ago
How do you solve 54767876+11222.9847
natima [27]

Answer:

54779098.9847

Step-by-step explanation:

You add them together

7 0
3 years ago
7/18 times 3 in simplest form
IRISSAK [1]

Answer:

21/18 which simplifies to <u>7/6</u>

Step-by-step explanation:

5 0
3 years ago
Please help me answer this for me please
slamgirl [31]

Answer:

first one is 5.8

second on is 4.47 round

third one is 1.92

Step-by-step explanation:

8 0
2 years ago
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