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uranmaximum [27]
3 years ago
13

Gina bought 2.3 pounds of red apples and 2.42 pounds of green apples. They were on sale for $0.75 a pound. How much did the appl

es cost together?
Mathematics
1 answer:
vampirchik [111]3 years ago
3 0
4. 72•0.75= $3.54 is the correct answer
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Brainly plz help only three questions
larisa86 [58]

Answer for no.9:

144.5cm^2

Step-by-step explanation:

base of triangle = 34cm-17cm

=17cm

Area =bh/2

=17cm×17cm/2

=289cm^2/2

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4 0
3 years ago
Previously 5% of mothers smoked more than 21 cigarettes during their pregnancy. An obstetrician believes that the percentage of
mr Goodwill [35]

Answer:

p value = 0.03514

Step-by-step explanation:

Hypotheses would be

H_0: p = 0.05\\H_a: p

(left tailed test at 10% level of significance)

Here p stands for the sample proportion of mothers smoked more than 21 cigarettes during their pregnancy.

Sample size =130

persons who smoked = 2

Sample proportion = \frac{2}{130} \\=0.0154

Assuming H0 to be true

Std error= \sqrt{0.05*0.95/130} \\=0.01911

p difference = -0.0346

Test statistic z=-1.81

p value = 0.03514

Since p is less than 0.10, significance level, we reject H0

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3 years ago
A personality test may be given to assess what?
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To assess yourself.... To know yourself more..
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A wall of a building is 22 inches wide ten inches is concrete 8 inches is brick and 4 inches is limestone. What fraction of the
alexandr1967 [171]

Answer:

fraction of the wall is limestone is 4/22

or 2/11 as a reduced fraction

Step-by-step explanation:

fraction of the wall is limestone is 4/22

the width is 22 in total

10 inches concrete = 10/22

8 inches brick : 8/22

4 inches limestone : 4/22

10/22+8/22+4/22=22/22=1

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3 years ago
a basketball player through the ball vertically in the air. the height h of the ball after time t is given by the quadratic func
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