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forsale [732]
2 years ago
13

Jim is mailing packages. Each small package costs him $3.20 to send. Each large costs him $4.70. How much will it cost him to se

nd 1 small package and 4 large packages?
Mathematics
1 answer:
Nutka1998 [239]2 years ago
8 0

Answer:

$3.20 for the small and $4.70 for the large packages.

Step-by-step explanation:

multiply 3.20 by 1 since that is the price of mailing a small package and you want to mail 1.

multiply 4.70 by 4 since that is the price of a large one and you want to mail 4.

3.20 x 1 =3.20

4.70 x 4=18.80

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If log7=a and log…<br> help me solve ths math problem on picture
tatiyna

\qquad\qquad\huge\underline{\boxed{\sf Answer☂}}

Let's solve ~

\qquad \sf  \dashrightarrow \:  log_{4}(39.2)

\qquad \sf  \dashrightarrow \:  log_{4}( {2}^{3} \times  {7}^{2}  \times 10 {}^{ - 1}  )

\qquad \sf  \dashrightarrow \: log_{4}( {2}^{3} )  +  log_{4}( {7}^{2} )  +  log_{4}(10 {}^{ - 1} )

\qquad \sf  \dashrightarrow \: log_{ {2}^{2} }( {2}^{3} )  +  log_{ {2}^{2} }( {7}^{2} )  +  log_{ {2}^{2} }(10 {}^{ - 1} )

\qquad \sf  \dashrightarrow \: \frac{3}{2}  log_{2}(2)  +  \frac{2}{2}  log_{2}(7)  -  \frac{1}{2}  log_{2}(10)

\qquad \sf  \dashrightarrow \: \frac{3}{2}  + a -  \frac{b}{2}

That's the required result ~

also you can take it's LCM and write it as :

\qquad \sf  \dashrightarrow \: \dfrac{2a - b + 3}{2}

3 0
2 years ago
Radicales simples ……….
Alex

The expressions with radicals which are variables and numbers raised to a fractional indices are simplified as follows.

13. √(9·x)  = 3·√x

14. √(4·y) = 2·√y

15. √(8·x²) = 2·x·√2

16. √(9·x²) = 3·x

17. √(3·x²) = x·√3

18. √(5·y²) = y·√5

19. √(13·x²) = x·√(13)

20. √(29·y²) = y·√(29)

21. √(64·y²) = 8·y

22. √(125·a²) = 5·a·√5

23. ∛(16) = 2·∛2

24. √(50·a²·b) = 5·a·√(2·b)

<h3>What are radicals expressions?</h3>

A radical expression is one that contains the radical (square root or nth root) sign, √.

13. √(9·x)

√(9·x) = √(3²·x) = 3·√x

  • √(9·x)  = 3·√x

14. √(4·y)

√(4·y) = √(2²·y) = 2·√y

  • √(4·y) = 2·√y

15. √(8·x²)

√(8·x²) = √(4 × 2·x²) = √(2² × 2·x²)

√(2² × 2·x²) = √(2²·x² × 2) = 2·x·√2

  • √(8·x²) = 2·x·√2

16. √(9·x²)

√(9·x²) =  √(3²·x²) = 3·x

  • √(9·x²) = 3·x

17. √(3·x²)

  • √(3·x²) = x·√3

18. √(5·y²)

√5 × √(y²) = √5 × y = y·√5

  • √(5·y²) = y·√5

19. √(13·x²)

√(13·x²) = √(13) × √x² = √(13) × x = x·√(13)

  • √(13·x²) = x·√(13)

20. √(29·y²)

√(29·y²) = √(29) × √(y²) = √(29) × y = y·√(29)

  • √(29·y²) = y·√(29)

21. √(64·y²)

√(64·y²) = √(8²·y²) = √(8²) × √(y²) = 8 × y = 8·y

  • √(64·y²) = 8·y

22. √(125·a²)

√(125·a²) = √(25 × 5 × a²) = √(25) × √5 × √(a²) =  5 × √5 × a

5 × √5 × a  = 5·a·√5

  • √(125·a²) = 5·a·√5

23. ∛(16)

∛(16) = ∛(16) = ∛(8 × 2) =  ∛(2³ × 2) = 2·∛2

  • ∛(16) = 2·∛2

24. √(50·a²·b)

√(50·a²·b) = √(25 × 2 × a² × b) = √(5² × 2 × a² × b) = √(5² × a² × 2 × b)

√((5² × a²) × 2 × b) = 5·a·√(2·b)

  • √(50·a²·b) = 5·a·√(2·b)

Learn more about simplifying expressions with radicals here:

brainly.com/question/13114751

#SPJ1

5 0
1 year ago
PLEASE HELP ME WITH MATH PLEASE
Yuki888 [10]

Answer:

a=250

b=10

Step-by-step explanation:

a=\frac{5x^2}{2}=\frac{5(10)^2}{2}=\frac{5(100)}{2}=\frac{500}{2}=250

b=\frac{2x^2(x-5)}{10x}=\frac{2(10)^2(10-5)}{10(10)}=\frac{2(100)(5)}{100}=2(5)=10

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fenix001 [56]

Answer:

1x5

Step-by-step explanation:

I dont know

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Find the measure of ∠2.<br><br> a. 32<br> b. 64<br> c. 116<br> d. 90
Studentka2010 [4]

Answer:

angle 2 =90 because it is a right angle

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2 years ago
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