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3 years ago

COME HELP QUICK !!

Mathematics

2 answers:

scZoUnD [109]3 years ago

8 0

1. False
2. B
3. Im Not Sure

Musya8 [376]3 years ago

3 0

Answer:

1. False

2. B - same species, different traits

3. A - grown larger in colder parts of the country

4. (Tomato question) - Changes in traits happen gradually, over many generations.

5. (Rabbit/Mouse ears) - False

Step-by-step explanation:

Just took the test and made 100. :0)

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The sum of two numbers is 30. the first number is 1/5 of the second number. what are the numbers?

bonufazy [111]

Same question
x+y=30
x is 1/5 of y
x=y/5
subsitute
y/5+y=30
multily both sidse by 5
y+5y=150
add
6y=150
divide both sides by 6
y=25
subsitute
x=y/5
x=25/5
x=5
the numbers are 5 and 25

6 0

4 years ago

The density of the American white oak tree is 752 kilograms per cubic meter. If the trunk of an American white oak tree has a ci

iVinArrow [24]

Here I hope this helps you out

8 0

3 years ago

Read 2 more answers

Your friend borrows $7500 to buy an all-terrain vehicle (ATV). The simple annual interest rate is 6%. She pays off the loan afte

e-lub [12.9K]

Answer:

$162.50

Explanation:

The total amount to be paid is 7500+5(7500)(0.06)=$9750.

There were a total of (5)(12)=60 payments, so each payment is 9750/60 = $162.50.

6 0

2 years ago

Heather's grandmother is 5 times as old as Heather. If her grandmother is 5 points

Sloan [31]

85 \5 =17 so heather is 17

5 0

3 years ago

The variable x varies directly as the cube of y, and y varies directly as the square root of z. If x equals 1 when z equals 4, w

Aloiza [94]

Answer:

Step-by-step explanation:

According to the question,

$x$ ∝ $y^3$ .......(1)

$y$ ∝ $\sqrt{z}$ .......(2)

From equation 1,2 let constant of proportionality be $k1,k2$ respectively.

⇒ $x=k1(y^3)$ .......(3)

⇒ $y=k2(\sqrt{z} )$ .......(4)

From the above equations putting 4 into 3,

$x=k1((k2\sqrt{z})^3) =k1.k2^3.(\sqrt{z})^3$

Let the new constant to the above equation be $k3$ ,

$x=k3(\sqrt{z})^3$

Given,if x=1, when z=4

$1=k3(\sqrt{4} )^3=k3(8)$

⇒ $k3=\frac{1}{8}$

Now if x=27, then z=?

$27=\frac{1}{8} (\sqrt{z} )^3$

⇒ $(\sqrt{z} )^3=27(8)$

⇒ $\sqrt{z}=3(2)=6$

$z=36$

4 0

3 years ago