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3 years ago

A third-class lever increases the distance a load can be moved. True False

Mathematics

1 answer:

bonufazy [111]3 years ago

8 0

The answer is false :)

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In how many year the interest will became equal to the principal is rs.1200 is deposited at the rate of 25% in a bank

mrs_skeptik [129]

Given:

Principal = Rs. 1200

Rate of interest = 25%

To find:

The time in which the interest will became equal to the principal.

Solution:

We have,

$P=1200$

$r=\dfrac{25}{100}$

$r=0.25$

If interest is equal to the principal, then

$Amount=Principal+Interest$

$Amount=1200+1200$

$Amount=2400$

The formula for amount is:

$A=P\left(1+r)^n$

Substituting $A=2400, P=1200, r=0.25$ in the above formula, we get

$2400=1200(1+0.25)^n$

$\dfrac{2400}{1200}=(1.25)^n$

$2=(1.25)^n$

Taking log on both sides, we get

$\log2=\log(1.25)^n$

$\log2=n\log(1.25)$ $[\because \log a^b=b\log a]$

$\dfrac{\log2}{\log(1.25)}=n$

$n\approx 3.11$

Therefore, the interest will became equal to the principal in about 3.11 years.

4 0

2 years ago

pleaseee help how do i write an equation in slope-intercept form for the line with slope 1/3 and y-intercept -3?

Montano1993 [528]

Answer:

y=1/3x -3

Step-by-step explanation:

Slope intercept form is y=mx+b, where m is the slope and b is the y-intercept, or the y-value at which the line intersects the y-axis.

Your slope is 1/3, and your y-int. is -3, so substitute those values in:

y=1/3(x) - 3

8 0

3 years ago

A garden table and a bench cost $ 1045 combined. The garden table costs $95 more than the bench. What is the cost of the bench?

Goshia [24]

Answer:

Nvm misread question

Step-by-step explanation:

one second please

8 0

3 years ago

Write in terms of inequalities: (-13,4]

anzhelika [568]

9514 1404 393

Answer:

-13 < x ≤ 4

Step-by-step explanation:

The round bracket means the lower limit is not included in the interval. The square bracket means the upper limit is included.

-13 < x ≤ 4

8 0

3 years ago

Plzzzz help I’ve been stuck on this

alina1380 [7]

Answer:

13 and 8

Step-by-step explanation:

height is not used to find the bottom triangle

3 0

3 years ago