MATHEMATICS HIGH SCHOOL

If h(x) = 3x − 1 and j(x) = −2x, solve h[j(2)] and select the correct answer below.−11
11
−13
13

Answers

Answer 1
Answer:

Answer:

Option 3rd is correct.

the value of h[j(2)]  is, -13

Step-by-step explanation:

Given the functions:

h(x) = 3x-1

j(x) = -2x

We have to find the value of  h[j(2)]

h[j(x)] = h[-2x]

Replace x from -2x in h(x) we have;

h[-2x] = 3(-2x)-1 = -6x -1

⇒h[j(x)] = -6x-1

Substitute the value of x = 2 we get;

h[j(2)] = -6(2)-1 = -12-1 = -13

Therefore, the value of h[j(2)]  is, -13
Answer 2
Answer: h(x) = 3x - 1
j(x) = -2x

h[j(2)] ⇒ j(2) = -2(2) ⇒ j(2) = -4

h(-4) = 3(-4) - 1
h(-4) = -12 - 1
h(-4) = -13

h[j(2)] = -13

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Subtract the fraction 9 - 5 1/3

Answers

9=5+1+3
1=3/3
5 and 1/3=5+1/3

9-5 and 1/3=
9-5-1/3=
3+5+1-5-1/3=
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9-5 1/3 has to be put into an improper fraction. so it would be 9/1 - 5 1/3 because 5 1/3 into a fraction would mean multiplying 5*3 and adding 1 which is 16/3. Then you have to have the same denominator so 9/1 *3 would be 27/3 and subtract 27/3 and 16/3 would get you 11/3 and simplified would be 3 2/3

Factor the mn+5m-3n-15

Answers

The factor of mn+5m-3n-15 is 6m-4n-15.

An experiment requires that each student use an 8.5 cm length of magnesium ribbon. How many students can do the experiment if there is a 570 cm length of magnesium ribbon available?

Answers

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Nico rolled two number cubes 250 times. use the complement to find the experimantal propability of not rolling a 3 on the blue number cube, NC2.

Answers

Answer:

the probability is 0%  

Step-by-step explanation:

is there options like

A

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options

Can anyone help?? Please

Answers

3O=12/3   Divide both sides by 3.
/3

O=4

♢+2=5(4)
♢+2=20
    -2  -2      Subtract 2

 ♢=18

 2(4)+18=2∆
8+18=2∆
26=2∆
/2     /2      Divide by 2

∆=13
The circle is worth 4 because it's being multiplied by 3. Then the diamond is 18 and the triangle is -5.

A Geometry student says I got lost in that lesson I wrote down that AD/AB eQUALS AC/ab but I have no idea where comes from

Answers

Answer:

AD/AB = AB/AC

Step-by-step explanation:

If we take two triangules in that figure: ABC and ABD, both are triangles rectangles. We need to use the definition of cosine, with the angle in th A corner, we called ∅.

For the ABC triangle: cos(∅) = adjacent cathetus/hypotenuse = AD/AB

For the ABD triangle: cos(∅) = adjacent cathetus/hypotenuse = AB/AC

Then:

cos(∅) = AD/AB = AB/AC
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