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sveticcg [70]
4 years ago
7

Solve for x. 7x=4x+27

Mathematics
2 answers:
kotegsom [21]4 years ago
8 0
The appropriate answer is "x=9"
zmey [24]4 years ago
6 0
The answer is x = 9, your welcome :)
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Figure A is enlarged to create figure B. The ratio of the areas of A and B is 16:49.
Nadusha1986 [10]

Answer: \dfrac{20}{7}

Step-by-step explanation:

Given

The ratio of the area of the similar triangles is equal to the square of the side of the corresponding sides

Suppose the corresponding side on figure A is x

On solving

\Rightarrow \dfrac{16}{49}=[\dfrac{x}{5}]^2\\\\\Rightarrow \dfrac{x}{5}=\sqrt{\dfrac{16}{49}}\\\\\Rightarrow \dfrac{x}{5}=\dfrac{4}{7}\\\\\Rightarrow x=\dfrac{20}{7}

3 0
3 years ago
Which of the following best represents a compound?
Ronch [10]

Answer:

The answer to your question is: Salt

Step-by-step explanation:

Element: is a substance that cannot be converted into another substance.

Compound: is a substance that is formed by 2 or more elements.

Mixture: is a substance composed by 2 or more compounds.

Iron                            it is an element

Salt                            it is a compound

River sediment        it is a mixture

Ocean water           it is a mixture

7 0
4 years ago
Complete the equation of the line through (1,4) and (2,2)<br><br> Use exact numbers.<br> y=?
Aleks [24]

Step-by-step explanation:

slope = 2-4/2-1 = -2

y - 2 = -2(x - 2)

y-2 = -2x +4

y = -2x + 6

8 0
3 years ago
Read 2 more answers
If (a+bi)^2=2abi, what must be the relationship between a and b? Show or explain your reasoning.
Klio2033 [76]
(a+bi)^2 =(a+bi)(a+bi)= a^2 +2abi+b^2 i^2 \\  \\ i^2 = -1 \\  \\ (a+bi)^2 = a^2-b^2 +2abi = 2abi \\  \\ a^2 -b^2 = 0 \\  \\ a^2 = b^2 \\  \\ a = b

For the statement to be true, 'a' and 'b' must be equal

*First expand the binomial using FOIL, then set it equal to whats given "2abi".
Then you can find the relationship between a and b.
6 0
4 years ago
At the beginning of the months, a consumer had $437.52 of in his bank account. During he made deposits of $256 and $217.14 of $8
alexdok [17]

<em>Question:</em>

<em>At the beginning of the months, a consumer had $437.52 of in his bank account. During which he made deposits of $80, $256 and $217.14 and write checks of $115.98 and $108.90 - What balance left? </em>

<em></em>

Answer:

The customer's balance is $765.78

Step-by-step explanation:

Given

Start Amount = $437.52

Deposits = $80, $256 and $217.14

Withdrawals (Checks) = $115.98 and $108.90

Required

Determine his balance

We start by calculating the total deposits made by the customer

Total\ Deposits = \$80 + \$256 + \$217.14

Total\ Deposits = \$553.14

Next, we calculate the total withdrawals (checks)

Total\ Withdrawals = \$115.98 + \$108.90

Total\ Withdrawals = \$224.88

At this point, we can now calculate the customer's balance as follows;

Balance =Start\ Amount + Total\ Deposits - Total\ Withdrawals

Balance = \$437.52+ \$553.14 -\$224.88

Balance = \$765.78

<em>Hence, the customer's balance is $765.78</em>

3 0
3 years ago
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