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jenyasd209 [6]
3 years ago
10

How many possible weight's are there between 10 and 40 pounds

Mathematics
2 answers:
Kazeer [188]3 years ago
8 0
The answer would be “D”.
vovikov84 [41]3 years ago
6 0
D) 30

40-10=30 possible weights
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Use the given information to find the exact value of each of the following. a. sine 2 thetasin2θ b. cosine 2 thetacos2θ c. tange
RUDIKE [14]

The solution is in the attachment

7 0
3 years ago
11x<-66 what is the answer
melomori [17]
11 x < - 66

x < - 66 / 11

x < - 6

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8 0
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Can anyone solve it plzzzz ​
Vedmedyk [2.9K]

Answer:

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2.

Solution given:

We have

Sin²\theta-Cos ²\theta=1

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3.

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7 0
3 years ago
Which is the interval notation represent the domain?
Kazeer [188]

Answer:

The first choice, (-\infty, 7) \cup (7, \infty).

Step-by-step explanation:

The dashed vertical line is a vertical asymptote. The x-coordinate of all points on this vertical asymptote are equal to 7. In other words, when the x-value of a point on the graph approaches 7, its y-value approaches infinity (or negative infinity.)

Either way, the graph is not defined for x = 7. The point 7 should thus be excluded from the domain of the graph.

The graph is apparently defined for all other x-values. The domain of the function should thus be all real numbers with the exception of x = 7. Here's how to write that in interval notation:

  • The set of all real numbers can be expressed as the interval (-\infty, \infty). Note that infinity \infty (or (- \infty) itself isn't a real number. The round brackets indicate that both endpoints are excluded from the from the interval.
  • The set of all real numbers less than (not equal to) 7 is (-\infty,7 ) (both ends are excluded.) The set of all real numbers greater than (not equal to) 7 is (7, \infty).
  • The set of all real numbers that is not equal to 7 is the union of all real numbers less than 7 and all real numbers greater than 7. The union operator \cup connects two intervals.

In other words, the domain is (-\infty, 7) \cup (7, \infty).

5 0
3 years ago
Please Elijah and Aubrey have summer jobs Elijah deposits the same amount of money in his account every week the equation is y =
Anika [276]

Answer:

Part a) y=125x+23

Part b) The graph of the equation for Aubrey's balance is parallel to the graph of Elijah's balance

Part c) Parallel graphs mean that their slopes are the same and that they deposited the same amount of $125 per week into their account balance during the summer.

Step-by-step explanation:

<u><em>The correct question is</em></u>

Elijah and Aubrey have summer jobs. Elijah deposits the same

amount of money in his account every week. The equation y = 125x + 72 represents his bank balance any given week of the summer. Aubrey also deposits the same amount into her account every week. At the end of the third week she has $398. At the end of the sixth week she has $773.

a. Write an equation to represent Aubrey's bank balance any given week of the summer.

b. Would the graph of the equation for Aubrey's balance be parallel to the graph of Elijah's balance? Explain.

c. What do the parallel graphs mean in terms of the situation?

Part a)

Let

x ----> the number of weeks  

y ----> represent bank's balance

we know that

<em>Elijah</em>

y=125x+72 -----> equation A

<em>Aubrey</em>

we have the points

(3,398) and (6,773)

Find the slope m

m=(773-398)/(6-3)

m=375/3

m=125

Find the equation of the line in point slope form

y-y1=m(x-x1)

we have

m=125

point\ (3,398)

substitute

y-398=125(x-3) ----> equation in point slope form

Convert to slope intercept form

y=mx+b

y-398=125x-375

y=125x-375+398

y=125x+23 ----> Aubrey's bank balance

Part b)

Compare the equations

y=125x+72 ----> Elija's bank balance

y=125x+23 ----> Aubrey's bank balance

Remember that

If two lines are parallel, then their slopes are equal

In this problem the slopes are equal

m=125\frac{\$}{week}

therefore

The graph of the equation for Aubrey's balance is parallel to the graph of Elijah's balance

Part c) Parallel graphs mean that their slopes are the same and that they deposited the same amount of $125 per week into their account balance during the summer.

5 0
3 years ago
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