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Irina18 [472]
3 years ago
13

Find the LCM of 5 and 8.

Mathematics
2 answers:
jonny [76]3 years ago
5 0
The answer to this equation is 40.
alexandr402 [8]3 years ago
3 0

Answer:

Step-by-step explanation:

5 and 8 have no common factors except 1.

LCM = 5*8 = 40

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Solve the system of equations by graphing. <br><br> x+y=3<br> y=2x−15
Stella [2.4K]

Hey!

Hope this helps...

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

x + y = 3

x = 3 - y


y = 2x - 15

y = 2(3 - y) - 15

y = 6 - 2y - 15

y = -2y - 9

3y = -9

y = -3


y = 2x - 15

-3 = 2x - 15

-2x = -12

x = 6


So...

The answer is: (6, -3)

4 0
4 years ago
Read 2 more answers
Solve for x in the diagram below. answer asap please
liq [111]

Answer:

x + 100+ 3x = 180

4x + 100 = 180

4x = 180-100

<u>4</u><u>x</u><u> </u> = <u>8</u><u>0</u>

4. 4

x= 20°

6 0
3 years ago
The square root of a product of two positive real numbers is the product of their square roots. Write an algebraic expression ba
Sliva [168]

Step-by-step explanation:

  • The square root of a product of two positive real numbers is the product of their square roots.

Let 4 and 5 be the two positive real number. The square root of a product of 4 and 5 is the product of their square roots.

\sqrt{4\cdot 5}

=\sqrt{20}

=\sqrt{2^2\cdot \:5}

\mathrm{Apply\:radical\:rule}:\quad \sqrt[n]{ab}=\sqrt[n]{a}\sqrt[n]{b}

=\sqrt{5}\sqrt{2^2}

so

=\sqrt{5}\sqrt{2^2}

\mathrm{Apply\:radical\:rule}:\quad \sqrt[n]{a^n}=a

\sqrt{2^2}=2

Therefore,

\sqrt{4\cdot \:5}=2\sqrt{5}

NOW SOLVING BY APPLYING RADICAL RULE such that

\sqrt[n]{ab}=\sqrt[n]{a}\sqrt[n]{b}

\sqrt{4\cdot 5}=\sqrt{4}\sqrt{5}

as

\sqrt{2^2}=2

so

     =2\sqrt{5}            

Hence, The square root of a product of two positive real numbers is the product of their square roots.

5 0
3 years ago
Which pair of shapes do the shaded parts show equivalent fractions
andreyandreev [35.5K]
The answer is c. because 6/8 = 3/4 which is equal to the fraction next to it

8 0
3 years ago
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Find the slope of the line that contains <br>(0,4). <br>(5,0)​
stich3 [128]

Answer:   -4/5

Step-by-step explanation:

you can use slope formula to solve this question. (Y1-Y2)/(X1-X2). So the answer to this question should be (0-4)/(5-0)=  -4/5

8 0
3 years ago
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