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Novay_Z [31]
3 years ago
7

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

x^2=400

x=20

5 0
3 years ago
Write a related addition equation for the subtraction equation.
Bess [88]

Answer:

-7+12 will also give u 5 with a positive sign

8 0
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)
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  • 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.

5 0
4 years ago
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Nata [24]

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

Step-by-step explanation:

3 0
3 years ago
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