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Brums [2.3K]
3 years ago
15

Please help ....!!!!!

Mathematics
1 answer:
Alinara [238K]3 years ago
7 0

Answer:

4

Step-by-step explanation:

44444444444444444

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Write an equation for the following graph.
romanna [79]
Y=Ix+1I-3
the absolute value of( x+1) minus 3
3 0
3 years ago
Someone help please! k(-1)=______<br>​
prohojiy [21]

Answer:

<h2>k(-1) = 7</h2>

Step-by-step explanation:

Look at the picture.

8 0
3 years ago
Tony wants to calculate his average quiz score. The formula gives Tony’s average score A for a total of T points on n quizzes. T
Gnoma [55]
In calculating the average score, add the scores of each person and then divide it by the number of scores present. In this problem, Tony has forty seven points for five different quizzes. You are required to calculate for the average score of Tony. The formula is A = T/n, where A is the average score, T is the score, and n is the number of quizzes.  

A = T/n
A = 47/5
<u>A = 9.4</u> <span>               
Therefore, Tony has an average of 9.4 points in five different quizzes. </span>
6 0
3 years ago
find the gradient of the line joining (3,7) and (6,9). Hence, find the acute angle it makes with the positive x-y axis​
stiv31 [10]

Answer:

33.7 degrees

Step-by-step explanation:

As we go from (3,7) to (6,9), x increases by 3 and y increases by 2.  Thus, the gradient (slope) of the line connecting these two points is

m = rise / run = 2/3.  Using the slope-intercept formula y = mx + b, we obtain

7 = (2/3)(3) + b, or 7 = 2 + b, so we see that b = 5 and y = (2/3)x + 5.  The y-intercept is (0, 5).

Next we find the x-intercept.  We set y = (2/3)x + 5 = to 0 and solve for x:

(2/3)x = -5, or (3/2)(2/3)x = -5(3/2), or x = -15/2, so that the x-intercept is

(-15/2, 0).  This line intersects the x-axis at (-15/2, 0).

Now look at the segment of this line connecting (-15/2, 0) and (0, 5).  Here x increases by 15/2 and y increases by 5, and so the tangent of the acute angle in question is

tan Ф = 5 / (15/2) = 10 / 15 = 2/3.

Using the inverse tangent function, we get Ф = arctan 2/3, or approx.

33.7 degrees.

I believe you meant "the acute angle it makes with the positive x-axis."​

3 0
3 years ago
How many hours did I work if I worked 7 hours and 30 minutes a day, for 15 days?
baherus [9]

Answer:

112 hours and 50 mins

Step-by-step explanation:

Numbers of mins worked in a day = 7×60+30 =450 mins

Now number of mins worked in 15 days = 450×15

= 6750 mins

to convert mins into hours divide by 60

6750÷60 = 112.50

that means total number of hours worked in 15 days = 112 hours and 50 mins

8 0
3 years ago
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