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3 years ago

Partial product of 15 times 32

Mathematics

2 answers:

Vlad [161]3 years ago

4 0

480 would be the correct answer

12345 [234]3 years ago

3 0

Partial products 15 x 32
15 = 10 +5
32 = 30 + 2
So,
2 x 5 = 10
2 x 10 = 20
30 x 5 = 150
30 x 10 =300

300 + 150 + 20 + 10 =480

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Find a,b such that 7.2, a, b, 3 are in A.P.

leonid [27]

Answer:

The value of a = 5.8

The value of b = 4.4

Step-by-step explanation:

Given

7.2, a, b, 3 are in A.P

$2a = 7.2+b$

$b = 2a - 7.2$

a, b, 3 are also in A.P

$2b\:=\:a\:+\:3$

Putting $b = 2a - 7.2$

$2\left(2a-7.2\right)=a+3$

$4a-14.4=a+3$

$\mathrm{Add\:}14.4\mathrm{\:to\:both\:sides}$

$4a-14.4+14.4=a+3+14.4$

$4a=a+17.4$

$4a-a=a+17.4-a$

$3a=17.4$

$\mathrm{Divide\:both\:sides\:by\:}3$

$\frac{3a}{3}=\frac{17.4}{3}$

$a=5.8$

Now, plugging $a=5.8$ in $b = 2a - 7.2$

$b=2\left(5.8\right)-7.2$

$b=2\cdot \:5.8-7.2$

$b=11.6-7.2$

$b=4.4$

Therefore,

The value of a = 5.8

The value of b = 4.4

4 0

3 years ago

This is 3 question help please

bekas [8.4K]

3 should be D
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3 years ago

What is the volume, in cubic in, of a cylinder with a height of 8 in and a base radius of

densk [106]

Answer:

V=100.5

Step-by-step explanation:

hopes this helps

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2 years ago

MONDAY 1. start time: 4:15 finish time: 5:05 time in between:

ella [17]

Answer:

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Step-by-step explanation:

We know there is 60 minutes in an hour. so if we do 4:15 + 50 minutes, it reaches 5:05 minutes.

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3 years ago

Read 2 more answers

Can someone help me pls ?

r-ruslan [8.4K]

Answer:

58.3%

Step-by-step explanation:

Add up the numbers that are only in one circle

18+7+10 = 35

Take this over 60

35/60=.58333333

Change to percent form to one decimal place

58.3%

3 0

2 years ago