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2 years ago

An orchard has 12 rows of pear trees. Each

Mathematics

1 answer:

Mumz [18]2 years ago

3 0

Answer:

180 trees.

Step-by-step explanation:

There are 12 rows of pear trees. Each row have 15 pear trees.

# Rows * Trees Per Row

12 * 15 = 180

There should be 180 pear trees in the orchard.

Hope this helps.

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a survey of students at a university shows that 3 out of 5 drink coffee. of the students who drink coffee, 1 out of 8 adds cream

Alex

Answer:

900 students

Step-by-step explanation:

3/5 of 12,000 = 7,200 who drink coffee

1/8 x 7,200 = 900 who drink coffee with cream

3 0

2 years ago

Christine received a $70 gift card for a coffee store. She used it in buying some coffee that cost $7.52 per pound. After buying

Sonbull [250]

Answer:

Step-by-step explanation:

take 70 and subtract the amount left, which is $22.56 divide that by 7.52 and you get your answer of 3

5 0

2 years ago

The basketball coach at a small local college believes that his team plays better and scores more points in front of larger crow

Orlov [11]

Answer:

Step-by-step explanation:

Given that points scored is the dependent variable Y and Number of people attending the game is the independent variable is independent variable x

The correlation coefficient, slope and intercept are calculated as shown below:

x y

378 54

350 57

320 59

478 80

451 82

250 75

489 73

451 53

410 67

215 78

113 67

250 56

450 85

489 101

472 99

Mean 371.0666667 72.4

std dev 117.5138087 15.42632259

covariance 667.5733333

r 0.394558035

Slope 3.005642934

Intercept 153.4581182

y = 3.006x+153.46 is the regression line.

Corre = 0.3945 (weak positive)

8 0

3 years ago

A professional organization sells term life insurance and major medical insurance. Of those who have just life insurance, 60% wi

kherson [118]

Answer:

The answer is "0.765 and 0.2353".

Step-by-step explanation:

Please find the complete question in the attached file.

In point a:

P(a substantive term only) $=0.75-0.2 =0.55$

P(major health insurance only) $= 0.45-0.20=0.25$

P(both) $= 0.20$

P(renewal) =P(insurance and renewal term only)+P (substantial and renewable health insurance only)+P (both and renew)

$=0.55\times 0.7+0.25 \times 0.8+0.2 \times 0.9 \\\\ =0.765$

In point b:

In reality, the probability of having both life and major medical insurance provided the policyholder would renew next year

$= \frac{\text{P(both and renew)}}{\text{P(renew)}}$

$=\frac{0.2\times 0.9}{0.765}\\\\=0.2353$

4 0

2 years ago

X+y=8 and 3x+2y=14 for soliving system

kumpel [21]

X+y=8
multiply the first equation by 3 to get rid of x
3x+3y=24
3x+2y=14
subtract equation 1 from 2
y=10
substitute to find the value of x
x+10=8
x=-2

7 0

2 years ago