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Daniel [21]
4 years ago
11

The perimeter of a rectangle is twice the

Mathematics
1 answer:
Shkiper50 [21]4 years ago
3 0

Answer:

L=16 W=7

Step-by-step explanation:

P=2(L+W)

L=2W+2

46=2(2W+2)+2W

(((7×2)+2)=16×2=32

(16-2)/2=7×2=14

32+14=46 or 16+16+7+7=46

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Find the solution of the ineuqality please.<br> -1/4(w-5) ≥ -2
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Answer:

w<=13

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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3 years ago
Solve the equation. Check your solution. :) Thanks!
Elden [556K]

Hi!

-32 = 4b

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3 0
3 years ago
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A data set includes data from student evaluations of courses. The summary statistics are n​, ​, s. Use a significance level to t
Andru [333]

Complete question :

A data set includes data from student evaluations of courses. The summary statistics are nequals92​, x overbarequals4.09​, sequals0.55. Use a 0.10 significance level to test the claim that the population of student course evaluations has a mean equal to 4.25. Assume that a simple random sample has been selected. Identify the null and alternative​ hypotheses, test​ statistic, P-value, and state the final conclusion that addresses the original claim.

Answer:

H0 : μ = 4.25

H1 : μ < 4.25

T = - 2.79

Pvalue =0.0026354

we conclude that there is enough evidence to conclude that population mean is different from 4.25 at 10%

Step-by-step explanation:

Given :

n = 92​, xbar = 4.09​, s = 0.55 ; μ = 4.25

H0 : μ = 4.25

H1 : μ < 4.25

The test statistic :

T = (xbar - μ) ÷ s / √n

T = (4.09 - 4.25) ÷ 0.55/√92

T = - 0.16 / 0.0573414

T = - 2.79

The Pvalue can be obtained from the test statistic, using the Pvalue calculator

Pvalue : (Z < - 2.79) = 0.0026354

Pvalue < α ; Hence, we reject the Null

Thus, we conclude that there is enough evidence to conclude that population mean is different from 4.25 at 10%

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3 years ago
Rewrite the subtraction problem as an addition problem 48 - 60​
NNADVOKAT [17]

Answer:

48-60=  (-48)+60 is a possible answer.

this question can have multiple answers in multiple ways

6 0
3 years ago
Carl is going to make a frame for a picture. The dimensions of the frame need to be 2 feet by 18 inches. How long must the board
kenny6666 [7]


<span>A rectangle has two pairs of sides of equal length. </span>

<span>So perimeter P = 2ft + 18in + 2ft + 18in </span>

<span>The units have to be all the same to add them so.... </span>

<span>P = 2ft + 1.5ft + 2ft + 1.5 ft </span>

<span>P = 7 ft. </span>

<span>So the board would have to be 7 feet to make a 2ft x 1.5ft picture frame.</span>
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4 years ago
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