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Vesna [10]
3 years ago
14

Please help me on this will give you brainliest!!

Mathematics
1 answer:
Alenkinab [10]3 years ago
6 0

Answer:

a) 1068 b)272

Step-by-step explanation:

For question a you would just add the two numbers together.

881+187=1068

For question b you would

-187+459=272

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Helpppppppppppp plzzzzzzzzzzzzzzzzzzz
ZanzabumX [31]

Answer:

Step-by-step explanation:

\left[\begin{array}{ccc}7&31\\142&19\end{array}\right] = 7(19) - 142(31) = <em>- 4269</em>

\left[\begin{array}{ccc}7&11&21\\55&-8&2\\-16&-1&-9\end{array}\right] = 7(- 8)(- 9) + 11(2)(- 16) + 21(55)(- 1) - 21(- 8)(- 16) - 7(2)(- 1) - 11(55)(- 9) = <em>1768</em>

\left[\begin{array}{ccc}9.07&6.02&2.01\\-30.7&2.5&3.5\\3.55&-1.1&2.35\end{array}\right] = 9.07(2.5)(2.35) + 6.02(3.5)(3.55) + 2.01(- 30.7)(- 1.1) - 2.01(2.5)(3.55) - 9.07(3.5)(- 1.1) - 6.02(- 30.7)(2.35) = <em>647.3561</em>

4 0
3 years ago
Find the common ratio of the geometric sequence 13,39,117
Anna [14]

r = 39/13 = 3

check

117 /39 = 3

true


so r=3

7 0
3 years ago
14 brainly points: can someone pls explain to me what a subset is in a way i can understand (and pls don't just find a internet
Oksana_A [137]

Answer:

Yes

Step-by-step explanation:

B is a subset of A because if A= {0,1,2,3,4} and B= {1,2} B is a part of A and B is a smaller version of A

Don't know if this helps but this is how I learned subsets.

6 0
2 years ago
Which real-world scenario can be described by the algebraic expression StartFraction p over 8 EndFraction?
Basile [38]

Answer:

the answer is D

Step-by-step explanation:

I just took a test

8 0
3 years ago
Read 2 more answers
Solve: StartFraction 10 Over x EndFraction = 2 a. x = 5 c. x = 20 b. x = 10 d. x = 15 Please select the best answer from the cho
choli [55]

Answer:

a. x=5

Step-by-step explanation:

The Fraction is

10/x=2

The unknown from the fraction is x

We need to find the value of the unknown

10/x=2

Cross product

We have,

10=2x

Divide both sides by 2

10/2=2x/2

5=x

x=5

Answer is a. x=5

Check

10/5=2

6 0
3 years ago
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