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kap26 [50]
2 years ago
12

What fractions are equivalent to 28/32

Mathematics
2 answers:
marin [14]2 years ago
7 0
The answer is 7/8. 28/4 = 7, 32/4=8.
Jlenok [28]2 years ago
5 0
÷2==14/16
÷4==7/8

HOPE THIS HELPS
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Find the area of a rectangle if the perimeter is equal to 38 in and the length is 10.
Alekssandra [29.7K]
10+10=20 = length 

20 + 18 = 38   width = 18 or 9 on each side

10 x 9 = 90

 Answer 90



6 0
3 years ago
A Gallup survey of 2322 adults (at least 18 years old) in the U.S. found that 408 of them have donated blood in the past two yea
Lelu [443]

Answer: aA 90% confidence interval for the population proportion of adults in the U.S. who have donated blood in the past two years = (0.163,0.189)

Step-by-step explanation:

Let p = population proportion of adults in the U.S. who have donated blood in the past two years.

Given: A Gallup survey of 2322 adults (at least 18 years old) in the U.S. found that 408 of them have donated blood in the past two years.

Sample size: n= 2322

Sample proportion q=\dfrac{408}{2322}=0.176

Critical z-value for 90% confidence level : z*=1.645

The confidence interval for population proportion:

q\pm z^*(\sqrt{\dfrac{q(1-q)}{n}})

A 90% confidence interval for the population proportion of adults in the U.S. who have donated blood in the past two years:

0.176\pm (1.645)(\sqrt{\dfrac{0.176(1-0.176)}{2322}})\\\\=0.176\pm (1.645)(0.0079)\\\\=(0.176\pm0.013)\\\\=(0.176-0.013,0.176+0.013))\\\\=(0.163,0.189)

Hence,

6 0
3 years ago
Solve -np-80&lt;60 for n. Show your work.<br><br> Solve 2a-5d=30 for d. Show your work.
xz_007 [3.2K]

-np-80 < 60\qquad\text{change the signs}\\\\np+80

------------------------------------------------------

2a-5d=30\qquad\text{subtract 2a from both sides}\\\\-5d=-2a+30\qquad\text{change the signs}\\\\5d=2a-30\qquad\text{divide both sides by 5}\\\\d=0.4a-6

8 0
3 years ago
(9 x 10) + (4 x 0.1)<br> how is this temperature in degrees fahrenheit written as a numeral?
mash [69]

Answer:

360°F

Step-by-step explanation:

When you multiply the numerals in the brackets . The first set of brackets is 90 then the second is 4.0 then multiply them and you will get 360.0°F

3 0
2 years ago
Read 2 more answers
How to solve 15a5b2 + 4a5b2
Deffense [45]

Answer:

19a^5b^2

Step-by-step explanation:

15a+4a=19a

4 0
3 years ago
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