1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
erastova [34]
2 years ago
10

You and your friend each collect rocks and fessis your friend collects three times as many roots and half as many fossils as you

. You
collect 20 objects Your trend collects 20 objects. How many roots and how many fossis do you each collect
Mathematics
1 answer:
n200080 [17]2 years ago
5 0

Answer:

Number of rocks and fossils collected by you is <u>1 and  24</u> respectively

Number of rocks and fossils collected by your friend is <u>3 and 12 </u>respectively

Step-by-step explanation:

Let  the number of Rocks you collect be x

Let  the number of Fossils you collect be y

Then the total number pf objects you collected will be

x + y = 25

x = 25 - y------------------------------(1)

Your friend collects three times as many rocks and half as many fossils as you.

This can be written as

3x + y (1/2) = 15

3x + (y/2) = 15-------------------(2)

Substituting (1) in (2)

3(25 - y) + (y/2) = 15

75 - 3y + (y/2) = 15

Grouping the like terms we get,

75 - 15 = 3y = (y/2)

60 = ( 6y - y /2)

60 x 2 = 6y -y

120 = 5y

y = 120/5

y = 24

Substituting  y value in equation(1) we get

x = 25 - 24

x= 1

y= 24

Friends collects 3 times rock

so collects 3x =3(1) = 3rocks

Also he collects half as many fossils

That is

y/2 = 24/2 = 12 fossils

<u><em>Hope this help you! :)</em></u>

You might be interested in
50 BRAINLY POINTS 3. A savings account is started with an initial deposit of $2400. The account earns 6% interest compounded ann
sergiy2304 [10]

Answer

144

Step-by-step explanation:

You would want to multiply so 2400 times by 6% and 6% is equal to 0.06 so just multiply those to get the answer of 144.

SORRY IF I'M WRONG>3

8 0
2 years ago
ok so i put a 5 it the last one and it was right but i dunno the rest cause the 4 that i put in aint right. 20 points
Leya [2.2K]

Step-by-step explanation:

1. 3:1

2. 12:4

3. 15 : 3

plz mark my answer as brainlist and plzzzz vote me also . hope this will help you

8 0
2 years ago
Question 2.1: To draw the supply curve, the cost of inputs to production must be held constant. If the market price of oil decli
Nookie1986 [14]

Answer:

Option c. The quantity of gasoline supplied at each price will change.

Step-by-step explanation:

There is a close correlation between the demand and supply. In simple terms, the demand increases inversely to the supply. This causes the price of the goods and commodities to shift. The precise term is inflation - the increase in the price of goods due to the decrease in the supply and increase in demand.

6 0
3 years ago
-200p^2+12028p=180096
bekas [8.4K]

Answer:

Step-by-step explanation:

200 p²-12028p+180096=0

50 p-3007 p +45024=0

p=\frac{3007 \pm\sqrt{(-3007)^2-4*50*45024} }{2*50} \\=\frac{3007 \pm \sqrt{9042049-9004800} }{100} \\=\frac{3007 \pm \sqrt{37249} }{100} \\=\frac{ 3007 \pm193}{100} \\p=32,28.14

4 0
2 years ago
Plzzzzzz helppppp asappppp <br> ***will mark brainliest *****
Vanyuwa [196]

i am not sure but it think its 6 root 2

6 0
2 years ago
Other questions:
  • Write a number in which the value of the digit in the ten-thousands place is ten times as great as the value of the digit in the
    9·2 answers
  • 1 2/5 x 3/5 in lowest terms please
    6·1 answer
  • What is the slope of the line with equation y = –x?
    13·1 answer
  • You want at least three bratwursts or hamburgers for each of your 20 guest
    6·2 answers
  • 15,614+?=68,025 <br> What is the total
    12·1 answer
  • Ms. Winter is organizing a march where people will walk in equal rows. She wants to have more than 611 people in the
    9·1 answer
  • Plants are sold in three different sizes of tray. A small tray of 30 plants costs £6.50. A medium tray of 40 plants costs £8.95.
    5·1 answer
  • Can someone please help me .. will mark brainliest !
    6·1 answer
  • I NEED THIS ASAP ILL GIVE YPU BRAINLIST!
    11·2 answers
  • Yolanda has 2 gallons of water in a bucket. If she throws out 2/3 of water, how much water will shr have left?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!