3 years ago

PLEASE HELP THIS IS URGENT!

Mathematics

1 answer:

trasher [3.6K]3 years ago

4 0

Answer:

3, 3 x 3 is 9 ( maybe)......

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2 5/7+4 3/5= help please

Ainat [17]

Answer:

$7\frac{11}{35}$

Step-by-step explanation:

$2\frac{5}{7}+4\frac{3}{5}$

add the whole numbers

$2+4=6$

combine the fractions

$\frac{5}{7}+\frac{3}{5}$

LCM is 35 because 7 * 5 =35

$\frac{5}{7}=\frac{5\cdot \:5}{7\cdot \:5}=\frac{25}{35}$

$\frac{3}{5}=\frac{3\cdot \:7}{5\cdot \:7}=\frac{21}{35}$

$\frac{25}{35}+\frac{21}{35}=\frac{25+21}{35}$

$=\frac{46}{35}$

change the improper fraction into mixed number

$6+1\frac{11}{35}$

$=7\frac{11}{35}$

3 0

4 years ago

Em um triângulo retângulo ABC, a hipotenusa BC mede 30cm, sabe-se que o seno do ângulo oposto ao lado AB mede 0,6. Desse modo, c

Vladimir79 [104]

Answer:

AB=18cm

Step-by-step explanation:

sabendo que sin∅=0.6 então

0.6=AB/30cm ⇒ AB=0.6*30cm ⇒ AB=18cm

7 0

4 years ago

Will give brainliest please help!!<br><br>Which expression is equivalent to 5.5x + 1-(1,5x+17)?

Crazy boy [7]

Answer:

4x - 16

Step-by-step explanation:

X can be any value (I made it 20)

5.5(2)+ 1 - (1.5(2) +17)

11 + 1 - 20

12 -20

-8

4(2) - 16

8 - 16

-8

You better say thanks (from a grade 9 academic student)

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3 years ago

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Travel 400 miles with 15 gallons how many with 6 gallons

Schach [20]

421 because 400 plus 15 plus 6 is 421

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3 years ago

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20 is 60% of what number

Lilit [14]

Answer:

33.33

Step-by-step explanation:

60% of 33.33 is 20. 100% of 33.33 is 33.33, therefore 60 percent of 33.33 equals 20.

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3 years ago

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