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natka813 [3]
3 years ago
10

Solve for x: cos (x - 5) ° = sin (4x + + 10)​

Mathematics
1 answer:
suter [353]3 years ago
8 0

Answer:

X=17 degree

Step-by-step explanation:

Please mark as brainliest

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If the diameter of a youth baseball is 2. 8 inches and the diameter of an adult softball is 3. 8 inches, what is the approximate
Molodets [167]

The approximate difference in their volumes is 17.2 cubic inches

<h3>How to determine the difference in the volume?</h3>

The given parameters are:

Diameter, d = 2.8

Diameter, D = 3.8

The radii are the half of the diameter.

So, we have:

r = 1.4

R = 1.9

The volume of the balls is then calculated using:

V = \frac{4}{3}\pi r^3

The difference is then represented as:

D = \frac{4}{3}\pi (R^3 - r^3)

Substitute known values

D = \frac{4}{3}* 3.14* (1.9^3 - 1.4^3)

Evaluate

D = 17.2

Hence, the approximate difference in their volumes is 17.2 cubic inches

Read more about volumes at:

brainly.com/question/1972490

#SPJ1

4 0
2 years ago
Which of the following is a composite number that is divisible by both 2 and 3? A. 540 B. 351 C. 765 D. 1261
Kazeer [188]

The answer is A. 540

540 divided by 2 = 270

540 divided by 3 = 180

The number 540 is also composite, which is required in your answer.

The other numbers do not end in 0,2,4,6 or 8, which is required to be divided evenly by 2. And only answer choices A. B. and C. can be evenly divided by 3.

4 0
3 years ago
Read 2 more answers
A direct variation function contains the points (–9, –3) and (–12, –4). Which equation represents the function?
Natasha_Volkova [10]
First, find the slope between the two points. 
Slope = y2-y1 / x2-x1
-4+3/ -12+9
-1/-3
1/3 is the slope of this equation. 
You do not have to go any further to find b or the y-intercept because it appears that b or the y-intercept is 0 in this case. 
y= 1/3x or in other words y= x/3
4 0
4 years ago
Read 2 more answers
A researcher would like to investigate whether or not there is a difference in IQ between Psychology and History majors. She gat
Over [174]

Answer:

Paired t test

H0 : μd = 0

H1 : μd > 0

Critical value = 3.499

Test statistic = 2.230

Reject H0 if test statistic > Critical value

Kindly check explanation.

Step-by-step explanation:

Given the data :

110 90 120 98 100 100 90 110

124 100 102 120 110 110 123 120

The hypothesis :

H0 : μd = 0

H1 : μd > 0

Tcritical value, df = n - 1 = 8 - 1 = 7

Tcritical(0.01, 7) = 3.499

The difference, d = (-14,-10,18,-22,-10,-10,-33,-10)

The test statistic :

Xdbar / Sd/√n

The mean difference, Xdbar = Σx / n = - 11.375

The standard deviation of difference, Sd = 14.431

The test statistic :

-11.375 / (14.431/√8) ;

-11.375 / 5.102

= 2.230

Decison :

Reject H0 if test statistic > Critical value

Since ; 2.230 <3.499 ;

We fail to reject the null

7 0
3 years ago
Can someone help me with this i really need help
Ray Of Light [21]
Ok so function means that x never repeats with a different y

function could be
table: (1,2) (2,4) (4,8) etc
graph the points


not a function could be
(1,1) (2,1) (3,1) (4,1)




range is the output or y
range is R={-4,-1,2,5}
8 0
3 years ago
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