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3 years ago

Find the solution to the equation m^2-15m=0

Mathematics

2 answers:

eimsori [14]3 years ago

8 0

Answer:

m = 15 OR m = 0

Step-by-step explanation:

=> $m^2 - 15m = 0$

=> Taking m common

=> $m(m-15) = 0$

Either,

m = 0 OR m = 15

natita [175]3 years ago

4 0

Answer:

m₁ = 0

m₂ = 15

Step-by-step explanation:

m² - 15m = 0

m(m - 15) = 0

m₁ = 0

m - 15 = 0 => m₂ = 15

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Kylie buys a lamp with a price tag of $40. The sales tax rate is 5.25%. What is the total price of the lamp?

Alex Ar [27]

Answer:

$42.10

Explanation:

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3 years ago

The next model of a sports car will cost 5.1% more than the current model. The current model costs $38,000. How much will the pr

LUCKY_DIMON [66]

How much will the price increase in dollars ?

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What will be the price of the next model ?

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3 years ago

The amount of orange juice in a bottle is modeled by the equation y=128-8x, where y is the number of ounces of juice in the bott

Fantom [35]

Answer:

Number of servings left is bottle $= 128-9x$

Step-by-step explanation:

The amount of orange juice in a bottle is modeled by the equation

$y=128-8x$ ---Eq (1)

Here y = number of ounces of juice in the bottle

and x = number of servings of juice poured from the bottle

Number of servings left is bottle = number of ounces of juice in the bottle -number of servings of juice poured from the bottle

Thus,

Number of servings left is bottle = y -x

Substracting x from both the sides of the above equation, we get - $y-x = 128-8x-x\\y-x = 128-9x$

Number of servings left is bottle $= 128-9x$

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3 years ago

I need 18,19,& 20•ignore my writing

Korolek [52]

Answer:

Part 18) Option D 100 square meters

Part 19) Option A 60 cubic meters

Part 19) Option C. 212 cubic centimeters

Step-by-step explanation:

Part 18) Estimate the surface area of the prism

we know that

The surface area of the prism is equal to

$SA=2B+PH$

where

B is the area of the base

P is the perimeter of the base

H is the height of the prism

Find the area of the base B

$B=3.5*7=24.5\ m^{2}$

Find the perimeter of the base P

$P=2*(3.5+7)=21\ m$

we have

$H=2.4\ m$

substitute

$SA=2(24.5)+(21)(2.4)=99.4\ m^{2}$ ----> exact value

Estimate the surface area

we have

$L=3.5=4\ m$ ----> round up

$W=7\ m$

$H=2.4=2\ m$ ----> round down

Estimate the area of the base B

$B=4*7=28\ m^{2}$

Estimate the perimeter of the base P

$P=2*(4+7)=22\ m$

substitute in the formula

$SA=2(28)+(22)(2)=56+44=100\ m^{2}$

Part 19) Estimate the volume of the prism

The volume of the prism is equal to

$V=BH$

we have

$B=3.5*7=24.5\ m^{2}$

$H=2.4\ m$

substitute

$V=(24.5)(2.4)=58.8\ m^{3}$ ----> exact value

Estimate the volume

we have

$L=3.5=4\ m$ ----> round up

$W=7\ m$

$H=2.4=2\ m$ ----> round down

Estimate the area of the base B

$B=4*7=28\ m^{2}$

substitute in the formula

$V=(28)(2)=56\ m^{3}$

Part 20) The volume of the prism is equal to

$V=BH$

we have

$B=6*6.8=40.8\ cm^{2}$

$H=5.2\ cm$

substitute

$V=(40.8)(5.2)=212.16\ cm^{3}$ ----> exact value

Estimate the volume

we have

$L=6\ cm$

$W=6.8=7\ cm$ ----> round up

$H=5.2=5\ cm$ ----> round down

Estimate the area of the base B

$B=6*7=42\ cm^{2}$

substitute in the formula

$V=(42)(5)=210\ cm^{3}$

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3 years ago

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Sloan [31]

A is 34
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3 years ago