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xz_007 [3.2K]
3 years ago
5

This table represent a function ? ... What is f(-2)?

Mathematics
2 answers:
olasank [31]3 years ago
6 0
F(-2) is the f(x) when x is -2. From the table, it is 1.
Yuki888 [10]3 years ago
6 0

Answer:

Yeah, it tells you values from when x and y are both -2, so I don't know why you need us to tell you.

Step-by-step explanation:

If you meant to ask something else, the way to find an X value is

Y = -0.5555555555555556 X  — 0.3333333333333335

Just plug in x, and you'll get Y.

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8 out of every 14 children in a school are boys. What is the ratio of boys to girls in the school?
DochEvi [55]

Answer:

8:6

Step-by-step explanation:

If 8 out of 14 students are boys then the remaining number of students must be girls

So

14-8= 6

There are 6 girls out of the 14

So as a ratio of boys to girls

8:6

7 0
3 years ago
Read 2 more answers
Which expression has a positive value?
mote1985 [20]

Answer: That would be A and C

  • A. = 26/3
  • B. = -20
  • C. = 1
  • D. = -3

Step-by-step explanation:

I hope it helps :)

A.

\frac{ - 4 + ( - 5)( - 6)}{3}  \\  \frac{ - 4 + 30}{3}  \\  \frac{26}{3}  = 8 \frac{2}{3}  = 8.67

B.

8( \frac{10}{(2)( - 2)} ) \\ 8( \frac{10}{ - 4} ) \\ 8(  - \frac{5}{  2} ) = -  20 \\

C.

3( \frac{ - 64}{8} ) + 25 \\ 3(  - 8) + 25 \\  =  - 24 + 25  \\ = 1

D.

\frac{ - 2( - 5)( - 3)}{10}  \\  \frac{ - 30}{10}  \\  =  - 3

7 0
3 years ago
Land in downtown Columbia is valued at $10 a square foot. What is the value of a triangular lot with sides of lengths 119, 147,
stiks02 [169]

Answer:

$87,461

Step-by-step explanation:

Given that the dimensions or sides of lengths of the triangle are 119, 147, and 190 ft

where S is the semi perimeter of the triangle, that is, s = (a + b + c)/2.

S = (119 + 147 + 190) / 2 = 456/ 2 = 228

Using Heron's formula which gives the area in terms of the three sides of the triangle

= √s(s – a)(s – b)(s – c)

Therefore we have = √228 (228 - 119)(228 - 147)(228 - 190)

=> √228 (109)(81)(38)

= √228(335502)

=√76494456

= 8746.1109071 * $10

= 87461.109071

≈$87,461

Hence, the value of a triangular lot with sides of lengths 119, 147, and 190 ft is $87,461.

6 0
3 years ago
On a graph with y-values ranging from 1,013,020 to 9,618,115, what is a reasonable scale to use on a y-axis with 10 tick marks?
Travka [436]
Divide the range range between 10 fo find the appropriate scale.

[9618115 - 1013020]/10 = 8605095/10 = 860509.5

Then use scale 1: 1000000. So your marks will be

1 = 1000000
2 = 2000000
3 = 3000000

... 10 = 10000000
8 0
3 years ago
Help pleaseeeeeee<br><br> find the code for section 8<br><br> need help now pleaseeeee
Evgesh-ka [11]

Answer:

21/25 = 84% 84% is the largest out of them all in a percentage number.

8 0
3 years ago
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