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4 years ago

Garrett had one dollar less than 3 times as much money as Liz. How much money does Garrett haveg

Mathematics

1 answer:

lesantik [10]4 years ago

3 0

Answer:

we dont know how much liz has...

Step-by-step explanation:

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Determine if the expressions are equivalent: 7+ 7x; 7 x + 1/7

patriot [66]

The given expressions 7+ 7x ; 7 x + 1/7 are not equivalent or equal

to each other

Step-by-step explanation:

Let us firstly assume that 7 + 7x is equivalent ( to 7(x + 1/7) so that means

7 + 7x = 7(x + 1/7)

7 + 7x = 7x + 7(1/7)

7 + 7x = 7x + 1

7x + 7 = 7x + 1

Now, subtracting 7x from both sides, we get:

7x - 7x + 7 = 7x - 7x + 1

(7 - 7)x + 7 = (7 - 7)x + 1

(0)x + 7 = (0)x + 1 thus their occurs a false statement:

7 = 1 ( we know, 7 >1)

Thus we can say that

7 + 7x is NOT equivalent to 7(x + 1/7)

5 0

3 years ago

Law of cosine. Please help

Anna35 [415]

Answer:

B) 41.7

Step-by-step explanation:

Let $a=25$ , $b=32$ , and $c=37$ . Use the Law of Cosines equation to find angle A=x which is directly across from side $a$ :

$\displaystyle \cos(A)=\frac{b^2+c^2-a^2}{2bc}\\ \\\cos(A)=\frac{32^2+37^2-25^2}{2(32)(37)}\\ \\\cos(A)=\frac{1024+1369-625}{2(1184)}\\\\\cos(A)=\frac{2393-625}{2368}\\ \\\cos(A)=\frac{1768}{2368}\\\\A=\cos^{-1}\biggr(\frac{1768}{2368}\biggr)\\ \\A\approx41.7^\circ$

Therefore, the correct answer is option B, which means you were right!

5 0

2 years ago

How is 〖−3〗^4and 〖(−3)〗^4similar and different?

saul85 [17]

Answer: same numbers

Step-by-step explanation:

3 0

3 years ago

21.2 to the 3rd power as a fraction

IceJOKER [234]

Answer:

The answer is 9528.128

Step-by-step explanation:

Sorry, I don't know that as a fraction

4 0

3 years ago

Find an equation of the line passing through the points (5, 21) and (-5, -29)

gogolik [260]

Trata 5-29+-5=21 porque ya as tenido este

4 0

3 years ago