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Rus_ich [418]
3 years ago
8

Can anyone plz help me

Mathematics
2 answers:
yaroslaw [1]3 years ago
8 0

Answer:

They multiplied the exponents instead of adding.

Step-by-step explanation:

Essentially, 2^2 x 2^3 is (2)(2) x (2)(2)(2) which is 5, not 6

lakkis [162]3 years ago
3 0

Answer:

when it says times it doesn't mean times the powers it means add

basically the first one is correct

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Samantha’s college runs on a trimester schedule so she receives a bill 3 times a year for tuition. Each trimester costs $1,450,
Naya [18.7K]

Answer:

10,800

Step-by-step explanation:

you would multiply 1450 by 3 witch is 4350 then multiply that answer by to for the second year witch is 8700  then u take the price of ur books witch is 350 and multiply that by 3 witch is 1050 then multiply 1050 by 2 witch is 2100 then u add 8700 and 2100 and that gives u   10800

7 0
3 years ago
Calculate the side lengths a and b to two decimal places.
Strike441 [17]

Answer:

A.)=24.78

B.)=26

C.)=7.33

D.)=25.44

Step-by-step explanation:

A.)11.40+13.38=24.78

B.)11+15=26

C.)4.18+3.15=7.33

D.)10.92+14.52=25.44

7 0
2 years ago
Read 2 more answers
Find the area of a triangle with sides of length 6 and 7 and included angle 74°. (round your answer to one decimal place.)
Yanka [14]
We use this formula:
<span>Area = ½ • side 1 • sine (A) • side 2
</span>Area = <span>½ • 6 • sine (74) • 7
</span><span>Area = <span>21 • sine (74)
Area = 21*0.96126
Area = </span></span><span><span><span>20.18646 </span> </span> </span>
Area = 20.2 (rounded)
Source:
http://www.1728.org/triang.htm


5 0
3 years ago
ANSWER BOTH QUESTIONS FOR BRAINLIEST TY :)
Alchen [17]

Answer:

<h2>Angle X; 39</h2><h2>Angle Y; 129</h2>

Step-by-step explanation:

180-90

90

This gives us the measurement of 51+x.

90-51

39

This is x as well as the angle that is across from it.

x+90=y

39+90=129

y=129.

to find the last angle, we add 90 to 51. This gives us 141.

So, now we add up all of the angles to double check everything. If they all add up to 360 then we are correct.

39+39+51+90+141=

360.

This means that we have solved everything correctly and that these are the correct answers.

I know that this is really confusing but the answers that you need are at the top so hopefully this helped!

4 0
3 years ago
Read 2 more answers
I need help with my math homework x+23=9/10
BartSMP [9]

Answer:

-221/10

Step-by-step explanation:

In the attached file

8 0
3 years ago
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