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valentina_108 [34]
3 years ago
10

Expand the expression-7(k - 3)

Mathematics
2 answers:
Ludmilka [50]3 years ago
8 0

Answer:

(-7×k)+(-7×-3)

Step-by-step explanation:


vredina [299]3 years ago
4 0

Answer:

-6k+7k

Step-by-step explanation:

Combine like terms and simplify

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Evaluate −12(−2). (1 point) 14 −14 −24 24
masya89 [10]

Answer:

24.

Step-by-step explanation:

−12(−2

= -12 * -2     ( Note  - * - = +) so we have:

24 (answer).

6 0
4 years ago
Polygon ABCD is dilated by a scale factor of 2 with the center of dilation at the origin to create polygon A′B′C′D′. If the endp
stira [4]

Answer:

34 units

Step-by-step explanation:

5 0
3 years ago
Find the circumference of the circle and show work
zaharov [31]

        - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

\large\blue\textsf{\textbf{\underline{\underline{Question:-}}}}

                  Find the circumference of the circle and show work. [refer to  

                  attachment]

\large\blue\textsf{\textbf{\underline{\underline{Answer and How to Solve:-}}}}

          Formula for Circumference of a Circle:-

        \dashrightarrow\star\bigstar\boxed{\boxed{C=2\pi r}}}

Where

  • C = circumference
  • π = pi (3.14…)
  • r = radius, which in this case is equal to 8

Substitute the value of r and solve:-

         C=2π(8)

        On simplification,

     

C=16π

On further simplification,

C=50.3

Therefore, we conclude that the circumference of this circle is

\dashrightarrow\star\bigstar\boxed{\boxed{\underline{\bold{C=50.3\:yd}}}}\bigstar\star\dashleftarrow

<h3>Good luck.</h3>

           - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

7 0
2 years ago
Read 2 more answers
Write the expression that represents the phrase, "one third the sum of a number and 10." Use x as the variable
agasfer [191]

Answer:

\frac{x+10}{3} is the expression that represents the phrase.

Step-by-step explanation:

Given:

The phrase, "one third the sum of a number and 10."

Let the number be x

∴ The expression will be= \frac{1}{3}\times (x+10)= \frac{x+10}{3}

3 0
3 years ago
In a situation where the sample size was 28 while the population standard deviation was increased, what would be the impact on t
My name is Ann [436]

Answer:

C; It would become wider due to using the z-distribution

Step-by-step explanation:

Mathematically, we go on to look at the formula for confidence interval calculations here

The formula involves multiplying z by the s

which is the z-value and the standard deviation

Increasing the standard deviation value means we are increasing the product of multiplying z and s

This means that we are getting a larger value for the multiplication

Thus, we now have a wider confidence interval value as a result of a larger product

So this means that the CI would become wider due to the usage of the z-distribution

5 0
3 years ago
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