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3 years ago

B 95 C a e 75° 709 ITEM BANK: Move to Bottom 25° 30° 35° 50° 75° 85°

Mathematics

1 answer:

den301095 [7]3 years ago

3 0

Answer:

85 California spout alone 1

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What is 5 minus 7/16

nekit [7.7K]

$Hello.
$
$Convert.$
$5 = 80/16$
$80/16 - 7/16 = 73/16$
$Simplify.$
$73/16 = 4 \frac{9}{16}$
$Thus, 5 - 7/16 = 4 \frac{9}{16}$
You're welcome.

3 0

3 years ago

5. If the covariance between the variables x and y is 18 and the variance

klasskru [66]

Answer:

The coefficient of correlation=0.5

Step-by-step explanation:

We are given that

Covariance between the variable x and y=18

Variance of x=16

Variance of y=81

We have to find the coefficient of correlation

We know that

Coefficient of correlation

$r=\frac{covariance(x,y)}{\sqrt{variance(x)}\times \sqrt{variance(y)}}$

Using the formula

$r=\frac{18}{\sqrt{16}\times \sqrt{81}}$

$r=\frac{18}{4\times 9}$

$r=0.5$

Hence, the coefficient of correlation=0.5

5 0

3 years ago

When written as a percentage and a decimal, 7/8 becomes?

ivann1987 [24]

7/8 is written as a decimal is 0.875

4 0

3 years ago

Factorise : x³ + x - 3x² -3

ANEK [815]

Answer:

(x²+1)(x-3)

Step-by-step explanation:

Factorize x³ + x - 3x² -3

x³-3x²+x-3

Factorize

x²(x-3)+1(x-3)

= (x²+1)(x-3)

Hence the factorized form is (x²+1)(x-3)

6 0

3 years ago

Skyler is helping his mother plan a wedding breakfast for his older sister, Jessica. They

Elena L [17]

Answer:

You would count another table for the remainder. Therefore, 8 tables are needed to seat 63 people. It does not matter whether all seats are filled on the 8th table.

6 0

3 years ago

B 95 C a e 75° 709 ITEM BANK: Move to Bottom 25° 30° 35° 50° 75° 85°​

B 95 C a e 75° 709 ITEM BANK: Move to Bottom 25° 30° 35° 50° 75° 85°