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3 years ago

Solve: negative 1 over 2 x + 2 = −x + 7 (5 points)

Mathematics

1 answer:

anzhelika [568]3 years ago

6 0

Answer:

x = 10

Step-by-step explanation:

$-\dfrac{1}{2}x+2=-x+7\qquad\text{Given}\\\\\dfrac{1}{2}x=5\qquad\text{add x-2}\\\\x=10\qquad\text{multiply by 2}$

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Pythagorean theorem

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Answer:

b=20 yards

Step-by-step explanation:

15^2+x^2=25^2

225+x^2=625

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3 years ago

Bess [88]

Answer:

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3 years ago

Mr. Young is offered an investment opportunity. Kyra says she will invest his money at a 6% simple interest rate over the next 7

gregori [183]

Answer:

$126

Step-by-step explanation:

Given that:

Investment is done as per Simple interest.

Principal = $3000

Time for which the investment is to done = 7 years

Rate of interest = 6%

To find:

Interest earned when the investment matures?

Solution:

Formula for Simple Interest :

$Simple\ Interest = \dfrac{PRT}{100}$

Where $P$ is the principal amount

$R$ is the Rate of Interest

$T$ is the time for which the investment is made

Putting the given values:

$Simple\ Interest = \dfrac{3000\times 6\times 7}{100}\\\Rightarrow Simple\ Interest = \dfrac{12600}{100}\\Simple\ Interest = \$126$

Therefore, the answer is:

Interest earned is <em>$126</em>.

8 0

3 years ago

Graphing Exponential Function in Exercise ,sketch the graph of the function.See example 3 and 4.

Vlad [161]

Answer:

The attached image shows the graph for the given function.

Step-by-step explanation:

We are given the following function in the question:

$y(x) = 2^{x-1}$

We have to graph the given function.

Properties of the given function are:

It is an exponential function of the form $y(x) = a^{x + b}$
Here, a = 2, b = -1
The y-intercept of the given function is (0,0.5)
There is no x-intercept.
The domain of the given function is all real numbers.
The range of given function is $(0,\infty)$

The attached image shows the graph for the given function.

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Nata [24]

Answer: (not enough information) Is there a picture that goes along with the problem?

Step-by-step explanation:

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3 years ago