3 years ago

Compute without using the calculator: 1.25×14.9+0.75×1.1+14.9×0.75+1.1×1.25

Mathematics

1 answer:

taurus [48]3 years ago

5 0

The answer is 32 have a great day

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Anna [14]

D, 7-7 = 0
1-1 = 0
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3 years ago

What is the answer to n-2 = 10n+4/2

Nitella [24]

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4 years ago

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Find the common ratio of the geometric sequence 1.5, 4.5, 13.5, 40.5, …

Viktor [21]

Answer:

The common ratio is 3.

Step-by-step explanation:

Take 4.5 and divide it by 1.5 and you find that the common ratio is 3. To ensure this is the answer you can multiple 4.5 by 3 and you'll get 13.5

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3 years ago

What is the height of the triangular prism below if the volume equals 1,638 cubic millimeters? 65 mm 63 mm 26 mm 28 mm.

sergejj [24]

Answer:

The height of the triangular prism is $26\ mm$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The volume of the triangular prism is equal to

$V=Bh$

where

B is the area of the triangular base

h is the height of the prism

<em>Find the area of the base B</em>

$B=\frac{1}{2}(7)(18)=63\ mm^{2}$

we have

$V=1,638\ mm^{3}$

$h=x\ mm$

substitute and solve for x

$1,638=(63)x$

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6 0

4 years ago

. In a class of 40 students, 8 are in the drama club and 12 are in the art club. If a student is selected at random, what is the

Levart [38]

Answer:

so the probability of selected student is in the drama club is 1/5

Step-by-step explanation:

total students = 40

drama club= 8

art club= 12

we have to find probability of drama club

P (drama) = favorable outcome / total outcome

= 8 / 40

= 1/ 5

so the probability of selected student is in the drama club is 1/5

4 0

4 years ago