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Lilit [14]
4 years ago
7

Evaluate the following: −3 − (−2). (5 points) Question 1 options: 1) −5 2) −1 3) 1 4) −6

Mathematics
1 answer:
Ganezh [65]4 years ago
7 0

Answer:

2) -1

Step-by-step explanation:

it is easy

 we have to first open the brackets, as it is ' - '  we have to change the sign to opposite of that of the number in the bracket and then solve it.

so the number 2 is having negative sign, we make it positive. this rule is applied only when there is a negative sign and a bracket is there.

-3-(-2)

-3+2

=-1

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Answer:

The puppy weighed 6 pounds at birth

Step-by-step explanation:

You go from 4 to 0...seeing as the weight is changing by 2.5..you subtract 2.5 by 16, 4 times in order to get the birth weight.

16 - 2.5= 13.5 - 2.5 = 11 - 2.5= 8.5 - 2.5 =6

6 0
3 years ago
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Solve for [0,2pi): 3sin^2x-6sinx=0
Ainat [17]

Given the equation :

3\sin ^2x-6\sin x=0

Let: y = sin x

So,

\sin ^2x=y^2

the given equation will be:

3y^2-6y=0

Solve for y, take 3y as a common:

\begin{gathered} 3y(y-2)=0 \\ 3y=0\rightarrow y=0 \\ y-2=0\rightarrow y=2 \end{gathered}

so,

\begin{gathered} y=0\rightarrow\sin x=0\rightarrow x=0or\pi \\ y=2\rightarrow\sin x=2 \end{gathered}

Note: the range of sine function is [ -1, 1]

So, sin x = 2 ( is rejected)

So, the answer will be: x ={ 0 , pi }

3 0
2 years ago
PLEASE HELP!!!!
Kipish [7]

The system of inequalities for the specific graph is

1. (one on top) y ≤ 1/2x + 6

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4 0
3 years ago
2.) The distance between the entrance of a park and a waterfall on the graph is 4 1/2 inches. Use the scale to
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Answer:

Step-by-step explanation:

if 3 inches is ................................................2.5 miles

  4.5 inches.................................................? miles

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choice C

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22.40 tourists are coming from Switzerland to visit Mt Everest. They planned to stay at Everest base camp for 4 days. For this p
LiRa [457]

The cost of 32.57ft^2 is Rs. 18,239.2 which is the cost of renting one tent.

Data;

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  • edge length = 3ft
  • area = ?

<h3>Area of a Square Pyramid</h3>

The formula of a square pyramid is given as

A = l^2 + 2l\sqrt{\frac{l^2}{4} + h^2} \\

Let's substitute the values and solve for the area of the square pyramid.

A = l^2 + 2l\sqrt{\frac{l^2}{4} + h^2} \\\\A = 3^2 + 2*3\sqrt{\frac{3^2}{4} + 3.63^2} \\A = 9 + 6{\sqrt{15.43} } \\A = 32.57ft^2

Since the cost of 1 square foot  = Rs. 560

32.57 ft^2 = x

1sq = 560\\32.57 = x\\x = 32.57 * 560\\x = 18,239.2

The cost of 32.57ft^2 is Rs. 18,239.2 which is the cost of renting one tent.

Learn more on area of square pyramid here;

brainly.com/question/22744289

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