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suter [353]
3 years ago
10

A certain bacterium splits itself into 2 identical cells in 1 day. Each of those new cells is capable of splitting itself into 2

identical cells in 1 day. So the first day there are 2 cells, the second day there are 2 x 2 cells, and so on. Write and evaluate an expression using a base and an exponent to represent the number of cells present at the end of the 7th day.
Mathematics
1 answer:
stiks02 [169]3 years ago
6 0

Answer:

2 with the second power??

Step-by-step explanation:

if you have two with the second power II exponents will multiply it by itself so the number gradually gets larger each time

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Casper has some whipping cream that is 18\%18%18, percent butterfat and some milk that is 4\%4%4, percent butterfat. He wants to
BigorU [14]

I got it wrong on khan academy and this is what it said....

In conclusion, point M represents a scenario where the mixture has the intended volume and has more than the intended percent of butterfat.

3 0
2 years ago
Read 2 more answers
in the given figure ,o is the centr of the circle, ab is the diameter and do is perpendicular to ab. prove that angle AEC= ANGLE
maksim [4K]

The given triangles ΔDOA and ΔABC are right triangles that have a

common vertex at point <em>A</em>.

  • <u>ΔDOA is similar to ΔABC, and </u><u>∠AEC</u><u> is equal to </u><u>∠ABC,</u><u> therefore, ∠AEC = ∠ODA</u>

Reasons:

The given parameters are;

The diameter of the circle with center <em>O</em> = AB

DO ⊥ AB (DO is perpendicular to AB)

Required:

Prove that ∠AEC = ∠ODA

A two column proof is presented as follows;

Statement {}                                                 Reason

1. AB is the diameter of circle     <em> </em>{}                 1. Given

2. DO is perpendicular to AB <em> </em>{}                     2. Given

3. ∠DOA = 90° <em> </em>{}                                             3. Definition of DO ⊥ AB

4. ∠BCA = 90°  <em> </em>{}                                             4. Thales theorem

5. ∠BCA ≅ ∠BCA <em> </em>{}                                         5. Reflexive property

6. ΔDOA ~ ΔABC  <em> </em>{}                                        6. AA similarity postulate

7. ∠ABC ≅ ∠ODA  <em> </em>{}                                       7. CASTC

8. ∠ABC = ∠ODA  <em> </em>{}                                        8. Definition of congruency

9. ∠AEC ≅ ∠ABC  <em> </em>{}                                        9. Angles in the same segment

10. ∠AEC = ∠ABC  <em> </em>{}                                       10. Definition of congruency

11. ∠AEC = ∠ODA  <em> </em>{}                                        11. Transitive property of equality

In statement 6, ΔDOA is similar to ΔABC by Angle-Angle, AA, similarity

postulate, therefore, the three angles of ΔDOA are congruent to the three

angles of ΔABC.

Therefore ∠ABC ≅ ∠ODA by Corresponding Angles of Similar Triangles

are Congruent, CASTC.

Learn more about circle theorem here:

brainly.com/question/16879446

7 0
2 years ago
Rule:start at 3 1/8 subtract 3/4
SSSSS [86.1K]

Answer:

2 3/8

Step-by-step explanation:

If what you're saying it 3 1/8 - 3/4 then...

3 1/8 - 3/4

3 1/8 - 6/8

25/8 - 6/8

19/8

2 3/8

6 0
3 years ago
Find the measure of x and y (NO LINKS OR REPORT)
Alchen [17]

Answer:

y= 35

x=55

Step-by-step explanation:

   

8 0
2 years ago
wendy is selling bags of chips. she earns $108.00 by selling 72 bags of chips. if each bag of chips is the same price, how many
stiv31 [10]
I think 84

$108.00 divided by 72 is $1.50
So 1 bag is $1.50
$126.00 divided by $1.50 is 84
So 84 bags of chips
8 0
3 years ago
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