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Simora [160]
4 years ago
12

Rewrite the expression without using grouping symbols: y • 4 + y • z

Mathematics
1 answer:
exis [7]4 years ago
6 0

Answer:

y(4 + z)

Step-by-step explanation:

Here in this problem, we have to rewrite the expression y • 4 + y • z without using the grouping symbols.

Now, we can assume that '•' symbol here represents the multiplication symbol.

So, there are two parts of the expression and in both of the parts, y is multiplied. Hence, we can take common y from both parts.

So. y • 4 + y • z = y(4 + z).  

Therefore, option c matches the result. (Answer)

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vesna_86 [32]
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3 years ago
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Suppose that the inside bottom of a box is painted with three colors: 1/3 of the bottom area is red, 1/6 is blue, and 1/2 is whi
7nadin3 [17]

Answer:

1/18 (5.5%)

Step-by-step explanation:

You have a 1/3 chance to get red the first time and a 1/6 to get blue the second. So to find the compound probability of this you multiply 1/3*1/6.

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4 years ago
-4(8h-5)= -16 round to the nearnest hundreth
bezimeni [28]

Answer:

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Step-by-step explanation:

8 0
3 years ago
Function question<br><br>read the graph then solve
viktelen [127]

Answer:

  1. g(5x) = 0
  2. x = -10

Step-by-step explanation:

Do what your instructions say: read the graph and solve.

1. In order to find x, you look for the point where g(x) is 4. That point is found where x = -2. (See the first attachment.)

Then 5x = 5·(-2) = -10. To answer the question, you need to find the value of g(-10). Look where the graph crosses the vertical line at x=-10. It is at y=0, so ...

... g(5x) = g(-10) = 0

2. You already found the answer to this when looking for the answer to the first question. g(x) = 0 when x = -10. (See the second attachment.)

7 0
4 years ago
Which shows all the values of x that make the rational expression undefined? x = 6 x = 7 x = –6 or x = 6 x = –7 or x = 7
n200080 [17]
<h2>Explanation:</h2>

The rational expression is given by:

E=\frac{2x^2-72}{5x^2-245} \\ \\ Factor \ out: \\ \\  E=\frac{2(x^2-36)}{5(x^2-49)} \\ \\ E=\frac{2(x-6)(x+36)}{5(x-7)(x+7)} : \ \ \ \ a^2-b^2=(a-b)(a+b)

The denominator can't be zero, therefore:

(x-7)(x+7)\neq 0 \\ \\ \\ Thus: \\ \\ \boxed{x\neq 7 \ and x \neq -7}

Finally,<em> the values of x that make the rational expression undefined are </em>

<em></em>

<em>x = 7 and x = -7</em>

4 0
3 years ago
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