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4 years ago

There are 25 elements found in living things. How many of these elements are found in some organisms but not all?

Mathematics

1 answer:

wolverine [178]4 years ago

8 0

What are the answer choices

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Given D(5, 7) and E(3, -3), find the midpoint of DE.

just olya [345]

Answer:

$(4,2 )$

Step-by-step explanation:

Midpoint Formula: $(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2} )$

Simply plug in your 2 coordinates into the midpoint formula to find midpoint:

$(\frac{5+3}{2},\frac{7-3}{2} )$

$(\frac{8}{2},\frac{4}{2} )$

$(4,2 )$

4 0

3 years ago

(2x + 9) (2x - 5)° 86° (x + 3) 1629 (x + 39) What is the value of x?

slega [8]

Answer: Sorry this question is still confusing.

Step-by-step explanation:

3 0

3 years ago

Comparing Distance

Dahasolnce [82]

Answer:

C. The distance is the absolute value of the difference.

Step-by-step explanation:

See the table made based on the given values.

It is easy to note that the numbers in the distance column are same as numbers in the a - b column but all numbers being positive.

So we can say that:

distance = |a - b|

Correct choice is C

6 0

3 years ago

Line segment AB has endpoints A(1,4) and B(6,2). Find the coordinates of the point that divides the line segment directed from A

Sladkaya [172]

Answer:

$(3,3\frac{1}{5})$

Step-by-step explanation:

We use the formula;

$(\frac{mx_2+nx_1}{2},\frac{my_2+ny_1}{2})$

where m:n=2:3 and $x_1=1,x_2=6,y_1=4,y_2=2$

We substitute these values to get;

$(\frac{2(6)+3(1)}{2+3},\frac{2(2)+3(4)}{2+3})$

We simplify to get:

$(\frac{15}{5},\frac{16}{5})$

$(3,3\frac{1}{5})$

7 0

3 years ago

Read 2 more answers

A spherical weather balloon is being inflated. The radius of the balloon is increasing at the rate of 9 cm/s. Express the surfac

Zolol [24]

Since a sphere's surface area is 4πr², we then need to find r as a function of time t, which is 9t (since it increases by 9 every second)+0 (the initial value)=9t. Plugging it in, we get 4π(9t)²=4π*36t²=144πt²

8 0

3 years ago