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Lyrx [107]
3 years ago
14

1/2+3/5 for math and idk what it is

Mathematics
2 answers:
SSSSS [86.1K]3 years ago
7 0
1.1 is the answer for you question
Vlad1618 [11]3 years ago
3 0
The answer is 11/10 or 1 and 1/10
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What is the shaded portion of the circle
blagie [28]

Answer:

(5\pi-11.6)\ ft^{2}

Step-by-step explanation:

we know that

The area of the shaded region is equal to the area of the sector minus the area of the triangle

step 1

Find the area of the circle

the area of the circle is equal to

A=\pi r^{2}

we have

r=5\ ft

substitute

A=\pi (5)^{2}

A=25\pi\ ft^{2}

step 2

Find the area of the sector

we know that

The area of the circle subtends a central angle of 360 degrees

so

by proportion find out the area of a sector by a central angle of 72 degrees

\frac{25\pi}{360}=\frac{x}{72}\\ \\x=72*25\pi /360\\ \\x=5\pi\ ft^{2}

step 3

Find the area of triangle

The area of the triangle is equal to

A=\frac{1}{2}(2.9+2.9)(4)= 11.6\ ft^{2}

step 4

Find the area of the shaded region

Subtract the area of the triangle from the area of the sector

(5\pi-11.6)\ ft^{2}

8 0
3 years ago
A researcher tests the effect of environmental condition on task performance. She uses a between subjects design and has partici
nexus9112 [7]

Answer:

<em>F test</em>

Step-by-step explanation:

<em>For any test using the F-distribution, a "F Test" is a capture-all word. In certain circumstances, as individuals speak about the F-Test, it is the F-Test to compare two variances that they actually talk about. </em>

Moreover, in a multitude of tests, the f-statistics is used such as regression analysis, the Chow test and the Scheffe test (a post-hoc ANOVA test).

One should be using Excel, SPSS, Minitab or some other form of software to run the experiment if you are running a F test.

<em><u>Steps include.</u></em>

  1. State the hypothesis of nullity and the counter hypothesis.
  2. Determine the value of F. The F value is determined using equation F = (SSE1 – SSE2/m)/SSE2/n-k, where SSE = square residual, m = number of constraints, and k = number of independent variables.
  3. Find the statistics for F (the critical value for the test). The F statistical formula is: F Statistics = group mean / mean variance of variances within the group.  
  4. The F Statistics can be found in the F-Table.  
  5. The Null Hypothesis is accepted or denied.
7 0
3 years ago
HELPPPPPPPPPPPPPPPPPPPPP!!!!!!!!
Vlada [557]

Answer:

i belive it was 750.

Step-by-step explanation:

4 0
2 years ago
How many zero pairs can be created in the model below? <br> A. 0<br> B. 1<br> C. 2<br> D. 3
Nesterboy [21]
It’s d sorry if i’m wrong
3 0
2 years ago
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How many 13s are in 223?
Masja [62]

Answer: There are 17 times 13 in 223. The answer you divide 223 by 13 which would get you 17.153846153846.

Step-by-step explanation:

4 0
3 years ago
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