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Tcecarenko [31]
3 years ago
10

Isabella can jump 4 feet 4 inches, Ryan can jump 1 yard 1 foot, and David can jump 51 inches. Who can jump the farthest?

Mathematics
2 answers:
torisob [31]3 years ago
6 0

Answer:

isabella

Step-by-step explanation:

padilas [110]3 years ago
4 0
Isabella is the correct answer
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Please answer with explanation, I don't understand.<br><br> <img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%5E2-14x%2B49%7D%20%3Dx
Crank

Answer: x ≥ 7

Step-by-step explanation:

You have to square both sides of the equation. You can manipulate an equation or function any way imaginable as long as it is done equally and helps the problem become easier. If we square this, the radical will cancel and we will get two trinomials equal to each other.

x^2-14x+49=(x-7)^2\\x^2-14x+49=x^2-14x+49

We can see the two expressions are exactly equal to each other. All real numbers are solutions, besides a few. These few are when the radical is equal to a negative number. So lets set up an inequality stating that the radical must be greater than or equal to 0.

x^2-14x+49\geq 0\\(x-7)^2 \geq 0\\x \geq 7

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2 years ago
The slope that goes through the points (3,-4) and (-2,6)​
kicyunya [14]

Answer:

slope =  -2

Step-by-step explanation:

Slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

         = \frac{6-[-4]}{-2-3}\\\\= \frac{6+4}{-2-3}\\\\= \frac{10}{-5}\\\\= -2

7 0
3 years ago
A study of commuting times reports the travel times to work of a random sample of 20 employed adults in New York State. The mean
Elodia [21]

Answer:

The standard error of the mean = 5.14 mins

Step-by-step explanation:

Number of random sample (n) = 20

Mean(X) = 31.25 mins

Standard deviation (α) = 23.7 mins

Standard error of mean =

standard deviation / √sample size

= 23.7/√20

= 23.7/4.4721

= 5.14 mins

5 0
3 years ago
Jose is a child living in Argentina, where spring begins in September and ends in December. Because he sees the days getting lon
IRISSAK [1]
Jose is false because the sun which makes it a day only shines none side of the earth while the moon is on the other side so on the other half of the hemisphere the days would be getting shorter while the days get longer on the other half of the hemisphere.
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3 years ago
Angeline bought s yards of satin fabric priced at $8.09 per yard, and c yards of cotton fabric priced at $3.79 per yard. Use an
max2010maxim [7]

Answer:

Angeline will spend $70.77

Step-by-step explanation:

y = 8.09(5) + 3.79(8)

y= 30.32 + 40.45

y = 70.77

3 0
3 years ago
Read 2 more answers
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