MATHEMATICS HIGH SCHOOL

Solve for the value of x
Solve for the value of x - 1

Answers

Answer 1
Answer:

Answer:

3.2

Step-by-step explanation:

9.6 divided by 3 is 3.2

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Simplify. (-5.12) - (-4.7) + (7.021) 6.79 6.601 -2.799

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Answers

If thats the whole question, it’s a pattern so the angle doesn’t change at all

Indicate in standard form the equation of the line passing through the given points. P(6, 2), Q(8, -4)

Answers

If you solve it into point-slop form, the equation is y = -3x + 20, then put into standard form is 3x + y = 20. That's your answer.

When an apple is dropped from a tower 256 feet high, the function h(t) =-167 +256 models the height of theapple, in feet, after t seconds. Determine, algebraically, the number of seconds it takes the apple to hit the ground.

Answers

The apple dropping on the ground is an illustration of free fall.

It takes the apple 1.53 seconds to hit the ground

Given

h(t) = -167t + 256

When the apple hits the ground, we have:

h(t) = 0

Substitute h(t) = 0 in h(t) = -167t + 256

0 = -167t + 256

Collect like terms

167t = 256

Solve for t

t = (256)/(167)

t = 1.53293413174

Approximate

t = 1.53

Hence, the apple hits the ground after 1.53 seconds

Read more about free falls at:

brainly.com/question/10579318

Answer:

around 1.5 sec

Step-by-step explanation:

basically you wanna figure out at what time is the height=0

since h(t) represents height, set it to 0 then solve for t

i believe you might have forgotten the t in the equation so i assumed it was -167t

0=-167t+256

-256=-167t

t=1.53293413174

around 1.5 seconds after it was dropped

alternatively, you could plug the equation into desmos, replacing h(t) with y and t with x and find the x intercept

A man is five times as old as his son. Four years ago, he was nine times as old. Find their present ages.

Answers

Let us assume the age of the son now = x
Then
The age of the man now = 5x
Now we have to calculate the age of the son and father 9 years ago
Age of the son 4 years ago = x - 4
Age of the man 4 years ago = 5x - 4
Then
5x - 4 = 9(x - 4)
5x - 4 = 9x - 36
5x - 9x = -36 + 4
- 4x = - 32
MUltiplying both sides of the equation by -1 we get
4x = 32
x = 32/4
  = 8
So the present age of the son is 8 years
Present age of the man = 5x
                                       = 5 * 8
                                       = 40 years
So the present age of the man is 40 years and the present age of the son is 8 years.

Point J is on line segment IK. Given JK=x+6, IJ=9, and IK=2x, determine the numerical length of JK.

Answers

The numerical length of JK is 21 units.

Given that, point J is on line segment IK.

We need to determine the numerical length of JK.

What is a line segment?

In geometry, a line segment is a part of a line that is bounded by two distinctend points and contains every point on the line that is between its endpoints.

Given JK=x+6, IJ=9, and IK=2x.

Now, IK=JK+IJ

⇒2x=x+6+9

⇒2x=x+15

⇒x=15

Now, JK=x+6=21

Therefore, the numerical length of JK is 21 units.

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The distance of the line segment is solved and length of JK = 21 units.

Given data:

Since point J is on the line segment IK, the sum of lengths JK and IJ should be equal to the length of the whole line segment IK.

IJ + JK = IK

IJ = 9

IK = 2x

Now, substitute the values and solve for JK:

9 + JK = 2x

To find JK, we need to isolate it on one side of the equation. Subtract 9 from both sides:

JK = 2x - 9

Now, we are also given that JK = x + 6, so we can set these two expressions equal to each other:

2x - 9 = x + 6

Subtract x from both sides:

2x - x = 6 + 9

x = 15

Now, substitute the value of x back into the expression for JK:

JK = 2(15) - 9

JK = 30 - 9

JK = 21

Hence, the numerical length of JK is 21 units.

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Find the difference between theproduct of 26.22 and 3.09 and the sum of 3.507, 2.08, 11.5, and 16.712. A. 47.2208   B. 58.3108   C. 4.489   D. 6.511

Answers

 26.22× 3.09   ≈  81.0198– 3.507  ≈ 7 7.5128– 2.08  ≈  75.4328– 11.5  ≈  63.9328– 16.712
≈47.2208 Your answer is A
the difference between the product of 26.22 and 3.09 and sum of 3.507, 2.08, 11.5 and 16.712

Now this looks messy, change them into numerals:
(26.22 × 3.09) - (3.507 + 2.08 + 11.5 + 16.712)
Clear the parenthesis:
81.0198 - 33.799
Subtract:
47.2208

Answer is: A. 47.2208
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