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ziro4ka [17]
3 years ago
6

Use front-end estimation to estimate the sum. 13.3+2.8+5.6 a.about 20 b. about 23 c. about 22 d.about 25

Mathematics
1 answer:
poizon [28]3 years ago
5 0

Answer:

C. About 22

Step-by-step explanation:

13.3 + 2.8 + 5.6

= 21.7

Since 21.7 is close to about 22, we can conclude that C is the final answer.

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Consider a diving board that is 10 feet above a pool. If the ladder is 5 feet away from the base of the diving board, approximat
OleMash [197]

Answer: 15 feet

Step-by-step explanation:

From the question, we are informed that a diving board is 10 feet above a pool. Since the ladder is 5 feet away from the base of the diving board, to calculate how tall is the ladder is, we subtract -5 from 10. This will be:

= 10 - (-5)

= 10 + 5

= 15 feet

The answer is option C.

5 0
3 years ago
A certain bean plant grows 15% of its height each day today after 10 days the bean plant is 27 inches tall how tall was it yeste
frez [133]
Given:
15% of its height each day
27 inches on day 10.

How tall was it yesterday?

27 represents 115% of the height yesterday. So we divided 27 by 115% to get yesterdays height.

27 ÷ 115% = 23.48 inches.

The plant was 23.48 inches tall yesterday.

To check:
23.48 x 15% = 3.52 inches
23.48 + 3.52 = 27 inches

3 0
3 years ago
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garik1379 [7]

Answer:

Part A: 431070.9 ergs

Part B: 1.6 x 103mm

Step-by-step explanation

7 0
3 years ago
How do you determine whether a system of linear equations has no solutions, one solution, or infinitely many solutions?
Charra [1.4K]
The answer to this is

<span> If the lines are the same, the equations are dependent linear equations. Using the graph of y = x and x + 2y = 6, shown below, determine how many solutions the system has. Then classify the system as consistent or inconsistent and the equations as dependent or independent. The lines intersect at one point.</span>


Hope This Helps!
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4 0
3 years ago
PLEASE HELP!!! The formula F =9/5 C + 32 expresses Fahrenheit temperature in terms of Celsius temperature. Find the Celsius temp
mrs_skeptik [129]

Answer:

The Celsius temperature is 5° when the Fahrenheit temperature is 41°.

Step-by-step explanation:

Given that:

F = \frac{9}{5}C + 32

Where,

F represents the temperature in Fahrenheit

C represents the temperature in Celsius

For calculating Celsius temperature from 41° Fahrenheit, we will put F=41 in given equation

41=\frac{9}{5}C+32

Subtracting 32 from both sides

41-32=\frac{9}{5}C+32-32\\9=\frac{9}{5}C

Multiplying both sides by 5/9

\frac{5}{9}*9=\frac{5}{9}*\frac{9}{5}C\\5=C\\

C = 5°

Hence,

The Celsius temperature is 5° when the Fahrenheit temperature is 41°.

6 0
3 years ago
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