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jeyben [28]
3 years ago
14

{10}(a) " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
exis [7]3 years ago
5 0

Answer:

b = log_{10}(a) \\  \\  \therefore \:  {10}^{b}  = a

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If x+y=16 and x-y=-2, what is the value of xy?
Fantom [35]

Answer:

Y=7 and

X=9

Step-by-step explanation:

X+Y=16

X=2+Y

2+Y+Y=16

2+2Y=16

2Y=16-2

2Y=14

2Y/2=14/2

Y=7

X =2+Y

So X=9

8 0
1 year ago
Solve for x the triangles In Each pair LMN~LRS <br> Please help quickly and show work pleasee
Gala2k [10]

Given:

\Delta LMN\sim \Delta LRS

To find:

The value of x.

Solution:

We have,

\Delta LMN\sim \Delta LRS

We know that the corresponding sides of similar triangles are proportional. So,

\dfrac{LM}{LR}=\dfrac{LN}{LS}

\dfrac{18}{2x-18}=\dfrac{30}{10}

\dfrac{18}{2x-18}=3

18=3(2x-18)

Using distributive property, we get

18=3(2x)-3(18)

18=6x-54

18+54=6x

72=6x

Divide both sides by 6.

\dfrac{72}{6}=x

12=x

Therefore, the correct option is A.

7 0
3 years ago
If f(x) = -2x^2 + 3 then f(-5) = ??
Sladkaya [172]

F(-5)= -2x^2+3

-5*-5=25

25*-2=-50

F=-50+3

F=-47

5 0
3 years ago
Quelle est la hauteur de trapèze? <br> what is the height of trapezoid?
Triss [41]

Answer:

the hight is 3

Step-by-step explanation:

5 0
3 years ago
52 companies; 25% increase find original amount?
Vlada [557]
To find your answer, you would find 25% of 52. To find 25% of 52, you would multiply 52x.25.
52x.25=13
Now you need to subtract 52-13. 52-13 is 39. The original amount is 39 companies.
6 0
4 years ago
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