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3 years ago

Which ordered pair is a solution of the equation? - 4x + 7 = 2y - 3

Mathematics

2 answers:

Nikolay [14]3 years ago

8 0

Answer:

(2,1) and (5,-5)

Step-by-step explanation:

I just did this question

nydimaria [60]3 years ago

6 0

Answer:

(0,5), (1,3), (2,1)

Step-by-step explanation:

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A car dealership has 240 cars in the parking lot and 17.5% of them are red. Of the other 6 colors in the lot, each color has the

Nonamiya [84]

Answer:

Step-by-step explanation:

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3 years ago

What is asked in the problem

Jlenok [28]

Answer:

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Step-by-step explanation:

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3 years ago

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Fully condense the expression. Assume that all variables represent positive numbers. (log x -2 log y+ 3 log z) (10 points)

AfilCa [17]

Answer: The required condensed expression is $\log\dfrac{xz^3}{y^2}.$

Step-by-step explanation: We are given to fully condense the following logarithmic expression assuming that all variables represent positive numbers :

$E=\log x-2\log y+3\log z~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)$

We will be using the following properties of logarithms :

$(i)~\log a^b=b\log a,\\\\(ii)~\log a+\log b=\log(ab),\\\\(iii)~\log a-\log b=\log\dfrac{a}{b}.$

Therefore, from expression (i), we get

$E\\\\=\log x-2\log y+3\log z\\\\=\log x-\log y^2+\log z^3\\\\=\log(xz^3)-\log y^2\\\\=\log\dfrac{xz^3}{y^2}.$

Thus, the required condensed expression is $\log\dfrac{xz^3}{y^2}.$

5 0

3 years ago

-(4+h)=3h solve please

docker41 [41]

Answer:

h = -1

Step-by-step explanation:

- (4 + h) = 3h

- 4 - h = 3h

- h - 3h = 4

- 4h = 4

- h = 4/4

- h = 1

h = - 1

4 0

3 years ago

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Amy works for a marketing agency and is designing a label for a company's newest product. The label needs to be a rectangle wher

Anon25 [30]

Answer:

$4x^{2}$

Step-by-step explanation:

Given:

Amy works for a marketing agency and is designing a label for a company's newest product.

The label needs to be a rectangle where the length is 4 times the width.

$x$ represents the width.

Question asked:

Which expression represents the area of the label ?

Solution:

Width of the label = $x$ (given)

Then, length of the label will be = <u>4 times the width</u> = $4x$

As label needs to be a rectangular shape and as we know:-

$Area\ of\ rectangle=Length\times width$

$=4x\times x\\=4x^{2}$

Therefore, $4x^{2}$ represents the area of the label.

7 0

4 years ago