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Step2247 [10]
3 years ago
5

What is the value of x in the equation 4/3/10

Mathematics
1 answer:
Monica [59]3 years ago
6 0
The value of X in the equation is -3
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Solve the equation 2q – 4 = 26 for q.<br><br> A. 15<br> B. 20<br> C. 25<br> D. 30
algol13

Answer:

Your answer is A 15. Explanation: 2 times 15 = 30. 30-4=26.

5 0
2 years ago
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Suppose you are using α = 0.05 to test the claim that μ &gt; 23 using a p-value. you are given the sample statistics , and find
DIA [1.3K]
Since there are no given sample statistics, Let us use the following: n=35, x=24.1, and o=2.7 
2-tail test
Using a T-test:
t(24.1) = (24.1-23/[2.7/sqrt(35)] = -2.4103
P - value = 2*P(-100< t < -1.9720, when df = 34) 
= tcdf (-100,-2.4103,34) -> using excel
= 0.0107
7 0
3 years ago
Carpet costs $21.95 per square yard and the padding to put under it costs $2.55 per square yard. Felix plans to install padding
marusya05 [52]

Answer:

$1679.175 or $1679.18

Step-by-step explanation:

split the carpet into rectangles to make it easier to look at

one rectangle is 2 yards in height and 9 yards in width (5 yards plus 4 yards)

area of a rectangle = (w)(h), so 9 x 2 = 18 yards in area.

second triangle is 4 yards in width, and 3 yards in height.

area of a rectangle = (w)(h), so 4 x 3 = 12 yards in area.

Total area = 30 yards

30(21.95)(2.55) = $1679.175 or $1679.18

3 0
3 years ago
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2sinx / cos3x = tan3x - tanx -verify the identity-
scoundrel [369]

Answer:

cos3x+tan3x=0  

⟹cos3x=−tan3x

⟹cos3x=−sin3xcos3x

⟹cos23x=−sin3x

⟹1−sin23x=−sin3x

⟹sin23x−sin3x−1=0

This is a quadratic equation in sin3x.

sin3x=−(−1)±(−1)2−4×1×(−1)−−−−−−−−−−−−−−−−−√2×1

sin3x=1±5–√2

If x takes real values, the upper sign must be rejected.

sin3x=1−5–√2

⟹3x=nπ+(−1)nsin−11−5–√2

⟹x=13[nπ+(−1)nsin−11−5–√2]

Step-by-step explanation:

Hope this kind of helps

6 0
2 years ago
Find the common ratio for this geometric sequence 8, 2, 1/2, 1/8, 1/32
kompoz [17]

Answer:

Multiply 1/4 ; dividing 4

Step-by-step explanation:

Note that in each number going from left to right, it decreases by dividing 4 each time (or multiplying 1/4)

8/4 = 2 ; 2/4 = 1/2 ; (1/2)/(4) = 1/8 ; etc.

(8)(1/4) = 2 ; (2)(1/4) = 1/2 ; etc.

~

7 0
4 years ago
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