3 years ago

A slice is made parallel to the base of a right rectangular pyramid.

Mathematics

1 answer:

Bess [88]3 years ago

7 0

Look like whatever <span>3.5×2</span> is. (7)

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What is 9.1 less than a number is less than 4.6 equals?

Brilliant_brown [7]

Answer:

n > 13.7

Step-by-step explanation:

Writing a symbolic statement, we get:

n - 9.1 < 4.6

Multiplying all three terms by 10 removes fractions:

10n - 91 > 46

Adding 91 to both sides isolates the 10n term:

10n > 46 + 91, or 10n > 137

Then n > 137/10, or n > 13.7

4 0

3 years ago

A sample of 16 items from population 1 has a sample variance 5.8 and a sample of 21 items from population 2 has a sample varianc

Nady [450]

Answer:

Reject the null hypothesis.

Step-by-step explanation:

n1 = 16

n2 = 21

S.V1 = 5.8

S.V2 = 2.4

$\alpha$ = 0.05

$H_{0}$ = Population Variance 1 ≤ Population Variance 2

$H_{a}$ = Population Variance 1 > Population Variance 2

Test statistic value = 5.8 / 2.4 = 2.417

Degrees of freedom is n - 1

15 and 20

Critical value is $F_{0.05}$ = 2.2

2.417 > 2.2

we reject the null hypothesis as the critical value is greater than the test statistic.

3 0

3 years ago

Which property is illustrated by the equation 3 (m n) = (3 m) n?

Sav [38]

Associative property

8 0

3 years ago

Read 2 more answers

PLEASE HELP ME THANKS ASAP

lara [203]

A = 28.26 units^2

Step-by-step explanation:

The formula for the area of a circle is:

$A=\pi r^2$

We can just plug in the numbers and solve.

$A=3.14*3*3$

$A=$

28.26 units^2

4 0

4 years ago

Green paint is made by mixing blue, yellow and white paints in the ratio 2 : 7 : 1. How much blue paint is needed to make 64 lit

Lyrx [107]

Answer:

12.5 litres of Blue paint

Step-by-step explanation:

2+7+1=10

therefore;

10=64

2=??

cross-multiply

(2×64)÷10

answer= 12.4 liters or 12.5

6 0

3 years ago