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3 years ago

An ostrich that is 63 inches tall is 17 inches taller than 2 times the height of a kiwi.

Mathematics

1 answer:

DerKrebs [107]3 years ago

8 0

Answer:

The kiwi is 23 inches tall.

Step-by-step explanation:

63= 2k + 17

46= 2k

k= 23 inches tall

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in a class of 37 students,the number of students who like martial art only is double than the number of students who like athlet

yulyashka [42]

Answer:

number of students who like Athletics only = x = 10 students

number of students who like marshal arts only = 2x = 20 students

Step-by-step explanation:

In a class of 37 students, the number of students who like marshal arts only is

double than the number of students who like athletics only. If 3 students like both

and 4 like none of the games, find out how many students like:

i. Marshal arts

ii. Athletics

Total students in the class = 37

number of students who like Athletics only = x

number of students who like marshal arts only = 2x

Number of students who like both = 3

Number of students who like none = 4

Total = athletics + marshal art + both + none

37 = x + 2x + 3 + 4

37 = 3x + 7

37 - 7 = 3x

30 = 3x

x = 30/3

x = 10

number of students who like Athletics only = x = 10 students

number of students who like marshal arts only = 2x

= 2(10)

= 20 students

5 0

3 years ago

Marianna [84]

Answer:

<h2><u><em>Two-thirds times one-eighth = Start Fraction 1 Over 12 End Fraction </em></u></h2><h2><u><em>Three-halves times 8 = 12</em></u></h2>

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Question Help

lorasvet [3.4K]

Answer:

The speed of the boat is 20 km/hr

Step-by-step explanation:

Let s be the speed of boat in still water

Let d be the distance

Upstream speed = s-4

Jane took 30 min to drive her boat upstream to water-ski at her favorite spot.

So, Distance traveled in upstream = $Speed \times time =(s-4) \times \frac{30}{60}$

Downstream speed = s+4

So, Distance traveled in downstream = $Speed \times time =(s+4) \times \frac{20}{60}$

So, $(s-4) \times \frac{30}{60}=(s+4) \times \frac{20}{60}$

30s-120=20s+80

10s=200

s=20

Hence The speed of the boat is 20 km/hr

6 0

3 years ago

Please answer this correctly without making mistakes

Mnenie [13.5K]

Answer:

Step-by-step explanation:

750,000,000 times 10^5 can be expressed as 7.5 times $10^{11}$

7.55 times 10^13 is greater than 7.5 times 10^11.

3 0

3 years ago

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PLEASE HELP<br> Solve for x.<br><br> -6x+14<-28 OR 9x+15<= -12

Anastaziya [24]

Answer: For -6+14<-28, the answer is....

Inequality form : x>7

For 9x+15<-=12, the answer is...

Inequality form : x <= -3

Step-by-step explanation: Isolate the variable by dividing each side by factors that don't contain the variable. (THIS IS FOR BOTH ANSWERS!!)

Hope this helps you out.

5 0

3 years ago