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2 years ago

You increase the size of a page by 50% then you decrease it by 50% what is the size of the page now

Mathematics

1 answer:

Artyom0805 [142]2 years ago

6 0

Answer:

75% of the original paper’s size.

Step-by-step explanation:

Let’s say that the original size was 10 inches.

You then increase it by 50%. It is now 15 inches.

Now, you decrease it by 50%. 50% of 15 is 7.5. So, the paper is now 7.5 inches.

7.5 inches is 75% of the original paper size.

I hope I helped!

Let me know if you need anything else!

~ Zoe

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What is the equation of the line that passes through the point (-2,3) and is parallel to the line whose equation is y = 3/2x - 4

Kisachek [45]

Answer:

y = 3/2x + 6

Step-by-step explanation:

y = 3/2x - 4

y-intercept through point (-2, 3):

3 = 3/2(-2) + b

3 = -3 + b

b = 6

Equation of line:

y = mx + b

y = 3/2x + 6

**Parallel line share the same slope, in this case 3/2.

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2 years ago

an electrician has 4.1 meters of wire.How many strips of 7 tenths can be cut?and how much wire will be left over?

9966 [12]

If we’re talking about tenths, it would be .5 meters, with .6 meters of wire left over

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2 years ago

Suppose $1,500 is compounded weekly for 46 years. If no other deposits are made, what rate is needed for the balance to triple i

Crazy boy [7]

Answer:

The rate is needed is 1.037%.

Step-by-step explanation:

Given : Suppose $1,500 is compounded weekly for 46 years. If no other deposits are made.

To find : What rate is needed for the balance to triple in that time?

Solution :

Applying compound interest formula,

$A=P(1+\frac{r}{n})^{nt}$

Where, P is the principal

A is the amount

The balance to triple in that time i.e. A=3P

r is the rate

t is the time t=46 years

Compounded weekly so n=52

Substitute the value in the formula,

$3P=P(1+\frac{r}{52})^{52\times 46}$

$3=(1+\frac{r}{52})^{2392}$

Taking log both side,

$\log 3=2392\ log(1+\frac{r}{52})$

$\frac{\log 3}{2392}=\ log(1+\frac{r}{52})$

$0.00019946=\ log(1+\frac{r}{52})$

Taking exponential both side,

$e^{0.00019946}=1+\frac{r}{52}$

$1.000199-1=\frac{r}{52}$

$0.000199=\frac{r}{52}$

$r=0.000199\times 52$

$r=0.010372$

Into percentage,

$r=0.010372\times 100$

$r=1.0372$

Therefore, the rate is needed is 1.037%.

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2 years ago

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babymother [125]

Answer:

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Step-by-step explanation:

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3 years ago

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Setler [38]

Answer:

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