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2 years ago

What’s the difference of a number and 7

Mathematics

1 answer:

irga5000 [103]2 years ago

6 0

Answer:

|7 - n|

Step-by-step explanation:

Finding a difference means finding what that number is subtracted by another number, and then finding the absolute value of your result.

Assuming "a number" = n, the <u>difference</u><em> </em>of a number and 7 is |7 - n|

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Thank you so much for the answer in advance!

Aleonysh [2.5K]

A: 66 b:28 :))) have a good day

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2 years ago

The height y (in feet) of a toss in bocce ball can be modeled by y=-x^2+4x, where x is the horizontal distance (in feet)

Ber [7]

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2 years ago

The summation expression in the following series has an absolute value in it. Expand and evaluate the summation notation. What i

nikitadnepr [17]

$|3i-10|=\begin{cases}3i-10&\text{for }3i-10\ge0\\-(3i-10)&\text{for }3i-10$

We have that $3$ , which means $|3i-10|$ reduces to $3i-10$ when $i\ge4$ , or reduces to $10-3i$ when $i\le3$ .

So we can expand the summation as

$\displaystyle\sum_{i=1}^6|3i-10|=\sum_{i=1}^3(10-3i)+\sum_{i=4}^6(3i-10)$

Notice that the 10 contributes a total of 30 from the first sum, and -30 from the second sum, so those terms cancel, leaving us with

$\displaystyle3\left(\sum_{i=4}^6i-\sum_{i=1}^3i\right)=3((4+5+6)-(1+2+3))=3(15-6)=3(9)=27$

4 0

2 years ago

Find the measure of arc WVY.

german

Answer:

arc WVY = 265.4°

Step-by-step explanation:

arc XY = arc WX because ZY = WZ

360° - 47.3° - 47.3° = 265.4°

7 0

2 years ago

Solve for the missing angle

nata0808 [166]

Answer:

15.9778

≈ 16

Step-by-step explanation:

Formula= a² + b² = c²

7.7² + 14² = 255.29

√255.29 = 15.9778 or ≈16

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2 years ago