MATHEMATICS HIGH SCHOOL

Juma spent half of his salary on school fees one-eighth on farming and two thirds of the reminder on food . Calculate his July salary if he spent sh.3200 on food

Answers

Answer 1

Answer:

Answer:

1/2 + 1/8 = 5/8 ; Rem=3/8.64

Food=2/3 × 3/3 = 1/4 ; Food=1 4 = 3200. Salary =sh12800.

Step-by-step explanation:

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What is the value of this expression when x = -5 and y = -3 $(2)/(3) x^(3) y^(2)$

Answers

Answer:

y = - 750

Step-by-step explanation:

Given

y = $(2)/(3)$ x³y² ← substitute x = - 5, y = - 3 into the expression

= $(2)/(3)$ × (- 5)³ × (- 3)²

= $(2)/(3)$ × - 125 × 9 ( cancel the 3 and 9 )

= 2 × - 125 × 3

= - 750

A man moves to lie on an island in Europe. He has a choice of two water companies: Manana Water: No standing charge. Pay £0.06 per m3 of water used.
Channel Water: Standing Charge: £30 every 3 months
£0.02 per m3 of water used
Special offer: 20% off your first bill.

he estimates that he uses 700m3 of water every 3 months. which company should he choose?

Answers

Manana would be the best choice in the long run—see all my work below.

Regular prices:

Manana: $700*.06=42$ £/3mos
Channel: $(700*.02)+30=44$ £/3mos

However, with the 20% discount on Channel Water, the first three months would look like:

(NOTE: This may be an overly complicated equation, but it's how it works out in my head.)

$((((700)/(3))2*.02)+30)-(((700*.02+30)/(100))20)=30.53$ £ for the first three months.

Manana:
$4*42=168$ £/year

Channel:
$(2.75*44)+30.53=151.53$ £ for the first year, and $4*44=176$ £/year afterwards.

Which steps transform the graph of y•x^2 to y = -2(x - 2)^2 + 2

Translate 2 units to the left, translate down 2 units, stretch by the factor 2

Translate 2 units to the right, translate up 2 units,stretch by the factor 2

Reflect across the x-axis, translate 2 units to the left, translate down 2 units, stretch by the factor 2

Translate 2 units to the right, reflect across x-axis, stretch by the factor 2, and translate up 2 units

Answers

Answer:

The correct option is the last one.

Step-by-step explanation:

To transform the graph of $y = x ^ 2$ into $y = -2(x - 2) ^ 2 + 2$ the following steps are fulfilled:

1) Move the graph 2 units to the right:

Let $y = f (x-2)$ then $y =(x-2) ^ 2$ Notice that the cut point has been moved to x = 2.

2) Reflect on the x axis:

To reflect a graph on the x-axis we do $y = -f(x)$ Then $f (x) = -(x-2) ^ 2$

3) Stretch according to factor 2.

For this we do $y = 2f(x)$

Then we have $f(x) = -2 (x-2) ^ 2$

4) Move up the graph in two units:

We do $y = f(x) +2$

Then $y = -2(x-2) ^ 2 +2.$

These steps coincide with those listed in the last option. Therefore the correct option is the last one.

"Translate 2 units on the right, reflect on the x-axis, stretch according to the factor 2 and translate 2 units"

Final answer:

To transform the graph from y • x^2 to y = -2(x - 2)^2 + 2, you need to translate 2 units to the right, reflect across the x-axis, stretch by the factor 2, and translate up 2 units.

Explanation:

The correct steps to transform the graph of y•x^2 to y = -2(x - 2)^2 + 2 are:

Translate 2 units to the right
Reflect across the x-axis
Stretch by the factor 2
Translate up 2 units

Learn more about Transforming Graphs here:

brainly.com/question/19040905

#SPJ3

If you have 16×18, and you double it and then halve it, what do you get? a) 16×9 b) 18×9 c) 8×9 d) 9×8

Answers

Answer:

none of the answers

Step-by-step explanation:

16x8=128 and if you double it and half it, it would still be 128. none of the answer choices equal 128.

What is the term for a turn of a figure around a fixed point? A) dilation

B) reflection

C) rotation

D) translation

If I get this question right, then I can finish the rest of my homework myself! :D

Answers

Hey there!

Rotation is the term for a turn of a figure around a fixed point. During a rotation, a figure rotates around a center point by a specified angle.

Thanks!

The answer is C) rotation. If you look at the root of the word "rotation", then you will see the word rotate, which means to turn.

What is the recoprocal of 1 over 4

Answers

The reciprocal of 1/4 is 4/1

In any fraction you see like 1/5 or 1/10 and you need to find the reciprocal always flip them!

Hopefully this helps you!

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