In the pictures down below

Can anyone help? Fractions and percents

Answers

Answer 1

Answer: 1st Picture:
$3)- (6)/(7) +\frac {10}{11} \n\nLCD:77 \n\n(6)/(7)* (11)/(11) + (10)/(11)*(7)/(7)= (66)/(77) + (70)/(77) = (136)/(77) = 1(59)/(77) \n \n 4) 3(6)/(7)* 2 (1)/(10)= (27)/(7) * (21)/(10) = (567)/(70) =(81)/(10) = 8(1)/(10) \n\n5)2(1)/(2)+3(1)/(3) \n\nLCD: 6 \n\n 2(3)/(6) + 3(2)/(6) =5(5)/(6) \n\n6)5(1)/(8)*-6(6)/(11)=(41)/(8)* (72)/(11)=(2952)/(88)=(369)/(11)=33(6)/(11)$

2nd Picture:

$1)80 percent of 80 = .8*80 =64 \n\boxed{64} \n\n2)95percent of 100=.95*100=95 \n\boxed{95}$

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Hello! sorry need help again. :) Please solve the problem below...

A train travels with a constant speed of 86 kilometers per hour. How far can it travel in 4 hours

Answers

Answer:

your answer will be 344 kilometers in 4 hours

Answer:

345

Step-by-step explanation:

4(3x+5)+5(3x+3)+3=27x+39

Answers

Answer:

0 (not equal sign)2

NO SOLUTION!

Just distribute and then combine like terms.

A bicycle rider travels 50.0 km i. 2.5 hours. what is a cyclists average speed

Answers

If you divide the bumbers you will get on acerage of 20km

Round each number to the nearest ten. What is the best estimate for the answer to 552.17 – 48.35 ?

Answers

So first round each number to the tens place so it would be;
550-50
And that would be 500 and so that's the best estimate.
Hope this helps.

520 - 50 = ?

520 - 50 = 470

500 is the best estimate

What is the
solution to
this system
of equations?

Answers

Answer:

(5, -3)

Step-by-step explanation:

the rule for the number of fish in a home aquarium is 1 gallon of water for each 1 inch of fish length. Marta's aquarium 13 gallons and Hanks aquarium holds 17 gallons. Based on the number of fish they bought in exercise 10 ( Marta got 3 guppies & 2 planties; Hank got 3 guppies & 4 planties) How long is a guppy and how long is a planty?

Answers

ok so 1gallon=1

guppylegnth=g
plantielegnth=p

martha has 13 inches of fish
hank has 17 inchs of fish

the amount of fish is calculated by
amount of each fish times legnth of fish

martha:
13=3g+2p

hank:
17=3g+4p

compare, asssuming that all planties are same legnth and all guppies are same legnth

13=3g+2p
17=3g+4p
looks like we just added 2p to first euation to get secon equation

minus them
-13=-3g-2p
17=3g+4p +
4=0g+2p

4=2p
divide 2
2=p

sub back

13=3g+2p
13=3g+2(2)
13=3g+4
minus 4
9=3g
divide 3
3=g

guppies are 3 inches
planties are 2 inches
9

Answer:

guppylegnth=g

plantielegnth=p

martha has 13 inches of fish

hank has 17 inchs of fish

the amount of fish is calculated by

amount of each fish times legnth of fish

martha:

13=3g+2p

hank:

17=3g+4p

compare, asssuming that all planties are same legnth and all guppies are same legnth

13=3g+2p

17=3g+4p

looks like we just added 2p to first euation to get secon equation

minus them

-13=-3g-2p

17=3g+4p +

4=0g+2p

4=2p

divide 2

2=p

sub back

13=3g+2p

13=3g+2(2)

13=3g+4

minus 4

9=3g

divide 3

3=g

guppies are 3 inches

planties are 2 inches

Step-by-step explanation:

In the pictures down belowCan anyone help? Fractions and percents

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In the pictures down below

Can anyone help? Fractions and percents