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Oksanka [162]
4 years ago
14

Evaluate |x + y|, for x = 8 and y = -15. A. 7 B. -7 C. 23 D. -23

Mathematics
2 answers:
Ahat [919]4 years ago
6 0
It's A because 8-15 is -7 but the absolute value parenthesis make it positive 7.
Vsevolod [243]4 years ago
4 0
The correct answer will be A
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Answer: 20%

Step-by-step explanation:

The 150 students in the marching band and 30 of the students play the trumpet. To get the percentage of students that play the trumpet, we divide 30 by 150 and then multiply by 100. This can be written as:

= 30/150 × 100

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The percentage of students that play the trumpet is 20%

7 0
3 years ago
An equilateral triangle has a side length of 30.
Lerok [7]

Answer:

x=9

y=3

Step-by-step explanation:

since all three sides of an equlateral triangle are equal:

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3 years ago
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kvasek [131]
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4 0
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What is the area of this ^2
Ad libitum [116K]
<h2>Question:- Area of the given diagram</h2>

<h2>Answer :- </h2>

Divide the diagram as shown in attachment.

Now first calculate the area of the rectangle having side 1 and 12

So area = length ×breadth

Area = 1× 12 = 12 unit²

Now find the Area of the remaining triangle with sides 12,13,5 units

So

Area =  \frac{1}{2}  \times base  \times height \:

Now put the value as -> base= 5 and height= 12

Area =  \frac{1}{2}  \times base  \times height \:  \\ Area =  \frac{1}{2}  \times 5 \times 12 \\ Area =  \frac{1}{ \cancel2}  \times 5 \times  \cancel{12}^{ \:  \: 6}  \\ Area = 5 \times 6 \\ Area = 30 \: units^{2}

Now add both areas for your answer

Area{ \tiny{1}} = 12 {units}^{2}  \\ Area{ \tiny2} = 30 {units}^{2}  \\ Area{ \tiny{total}} = Area{ \tiny{1}} + Area{ \tiny{2}} \\ Area{ \tiny{total}} = 12 + 30 = 42 {units}^{2}

8 0
3 years ago
Find the domain and range of f(x)=3^x
Margaret [11]

Answer:

Below in bold.

Step-by-step explanation:

x can have any real value - the domain is (-∞, ∞).

f(x) cannot be 0 or negative, no matter how negative x is,  - the range is (0, ∞)

6 0
4 years ago
Read 2 more answers
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