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3 years ago

Find the least common multiple (LCM) of each pair of numbers:

Mathematics

2 answers:

vodomira [7]3 years ago

4 0

LCM of 2,8 is 8
LCM of 3,4 is 12
LCM of 6,8 is is 24

faust18 [17]3 years ago

3 0

LCM: 2,8 = 8
LCM: 3,4 = 12
LCM: 6,8 = 24

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A diamond today cost ten dollars more than twice what it cost last year.The sum of the cost (last year and this year) is $2500.

nadya68 [22]

Answer:

The cost of the diamond last year is x = $ 830

Step-by-step explanation:

Let the cost of diamond last year = x

the cost of diamond present year = y

Given that diamond today cost ten dollars more than twice what it cost last year.

⇒ y = 2 x + 10 ------ (1)

The sum of the cost (last year and this year) is = $ 2500

⇒ x + y = $ 2500 -------- (2)

Put the value of y in equation (2) from equation (1), we get

⇒ 2 x + 10 + x = $ 2500

⇒ 3 x = 2490

⇒ x = $ 830

& y = 2500 - 830

⇒ y = $ 1670

Therefore the cost of the diamond last year is x = $ 830

6 0

3 years ago

Find the slope of the line passing through the points (-5,2)<br> and<br> (-8,8).

sattari [20]

Answer:

slope = -2

Step-by-step explanation:

(-5,2) (-8,8)

equation to find slope: $\frac{y1 - y2}{x1 - x2}$

$\frac{2-8}{-5+8}$ = $\frac{-6}{3}$ = $\frac{-2}{1}$ = -2

7 0

3 years ago

URGENT PLEASE HELP

OleMash [197]

Answer:

6.32

Step-by-step explanation:

6^2 - 2^2

✓40

=6.32455532

2d.p = 6.32

3 0

3 years ago

The magnitude, M, of an earthquake is defined to be M = log StartFraction I Over S EndFraction, where I is the intensity of the

uranmaximum [27]

The equation represents the magnitude of an earthquake that is 10 times more intense than a standard earthquake is $\rm M = log\left ( \dfrac{10S}{S}\right )$ .

Given

The magnitude, M, of an earthquake is defined to be M = log StartFraction I Over S EndFraction, where I is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and S is the intensity of a "standard" earthquake, which is barely detectable.

<h3>The magnitude of an earthquake</h3>

The magnitude of an earthquake is a measure of the energy it releases.

For an earthquake with 1,000 times more intense than a standard earthquake.

The equation represents the magnitude of an earthquake that is 10 times more intense than a standard earthquake is;

$\rm M =log \dfrac{I}{S}\\\\M = log \dfrac{10s}{s}\\\\M=log 10\\\\M =1$

Hence, the equation represents the magnitude of an earthquake that is 10 times more intense than a standard earthquake is $\rm M = log\left ( \dfrac{10S}{S}\right )$ .

To know more about the magnitude of earthquakes click the link given below.

brainly.com/question/1337665

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2 years ago

If P=Q^R , Q=R^P , R=P^Q.<br>Then Prove: P×Q×R=1.

8_murik_8 [283]

Answer:

PQR=1

Step-by-step explanation:

5 0

3 years ago