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3 years ago

Find 15.75 ÷ 0.25 using a Giant One.

Mathematics

1 answer:

MA_775_DIABLO [31]3 years ago

4 0

15.75 divided by 0.25

In every 1 whole number, there are 4 of 0.25

Now we have 15 as whole number so simply multiply 15 x 4

15 * 4 = 60, there are 60 pieces of .025s in 15.

0.75 has 3 0.25s

Now, let’s add 60 + 3 = 63, the answer is 63.

There are 63 pieces of 0.25 in 15.75.

15.75 / 0.25

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Your friend spends 3+4x minutes lifting weights and 9x+5 running a treadmill. Write a polynomial that represents how much time i

rusak2 [61]

Answer:

$Polynomial = 5x+ 2$

Step-by-step explanation:

Given

$Weights = 3 + 4x$

$Treadmill = 9x + 5$

Required

Polynomial that represents time spent running treadmill than weight lifting

To do this, we simply subtract weights from treadmill

i.e.

$Polynomial = Treadmill - Weights$

$Polynomial = 9x + 5 - (3 + 4x)$

$Polynomial = 9x + 5 - 3 - 4x$

$Polynomial = 9x - 4x+ 5 - 3$

$Polynomial = 5x+ 2$

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3 years ago

Find an equation of the line that is parallel to the graph of 2x+3y=5 and contains the point (3, −1).

uranmaximum [27]

Answer:

A) Equation of line is 3X - 2Y = 11

B) Equation of line is Y = X + 1

C) Equation of line is Y - 7 = 0

Equation of line , point (3 , -1) and slop $\frac{3}{2}$ is 3X - 2Y = 11

Step-by-step explanation:

Given equation of line as 2x + 3y = 5

slove of this line (m1) = - $\frac{2}{3}$

Now another line passes through point (3 , -1) having slop (m2)

Both lines are parallel to each other, i.e (m1) × (m2) = - 1

So slop of second line (m2 ) = $\frac{-1}{m1}$

(m2) = $\frac{-1}{(\frac{-2}{3} } )$

(m2) = $\frac{3}{2}$

Now eq of line with point (3 , -1) and slop (m2)

Y- y1 = (m2)( X - x1)

Or, Y +1 = $\frac{3}{2}$ (X - 3)

i.e 2Y + 2= 3X - 9

∴ Equation of line is 3X - 2Y = 11 Answer

B) Given points as ( 5,6) and (3 , 4)

Slop (m) = $\frac{y2 - y1}{x2 - x1}$ = $\frac{4 - 6}{3 - 5}$ = 1

So the equation of line is

Y- y1 = (m)( X - x1)

Y - 6 = (1) (X - 5)

i.e Equation of line is Y = X + 1 Answer

C) Given points as ( 0, 7) , (0 , -8)

Slop (m) with co-ordianate = $\frac{y2 - y1}{x2 - x1}$

Or, = $\frac{-8 - 7}{0 - 0}$

Hence equation of line is Y - 7 = 0 Answer

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3 years ago

Q: THE PERPENDICULAR SIDES OF A RIGHT ANGLED TRAINGLE ARE 12 AND 15 CENTIMETERS LONG. ANOTHER RIGHT ANGLED TRAINGLE OF THE SAME

garri49 [273]

Area of a right triangle is 1/2 x height x base

The area of the first triangle is 1/2 x 12 x 15 = 90 square cm.

The area of the other triangle is 90 and one side is 18:

90 = 1/2 x 18 x S

Multiply both sides by 2:

180 = 18 x S

Divide both sides by 18:

S = 180/18

S = 10

The length of the other side is 10 centimeters

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3 years ago

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A 24 pack of bottled water costs<br> $4.08. What is the cost per bottle<br> of water?

Rina8888 [55]

Answer:

$0.17 per bottle

Step-by-step explanation:

$4.08/24 = 0.17

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4 years ago

If f (x) = 3 [X-2] what is f(4.7) answer

Ipatiy [6.2K]

Answer:

Step-by-step explanation:

[x-2]=[4.7-2]=[2.7]=2

f(4.7)=3*2=6

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3 years ago