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2 years ago

How many variable terms are in the expression3x3y+5x2+y+9

Mathematics

1 answer:

NISA [10]2 years ago

7 0

Answer:

Four(4)

Step-by-step explanation:

The given algebraic expression is:

$3x^3y+5x^2+y+9$

The variables in this expression are $x$ and/or $y$ .

The variable terms in this expression are terms containing $x$ and $y$ .

These terms are:

$3x^3y$

$5x^2$

and

$y$

Therefore there are 4 variable terms.

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Snezhnost [94]

Answer:

Step-by-step explanation:

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2 years ago

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which is not a result of multiplying the height of a rectangular prism by a scale factor of 1/2 and I need work to

chubhunter [2.5K]

C is the answer

for example

assume that the height of a rectangular prism is 2, width is 1 and length measures 3

the volume will be 6
(2*1*3)

if we multiply height with the scale factor of 1/2
it becomes 1

so the volume will be 3
(1*1*3)

this situation goes for other examples, too

good luck

5 0

2 years ago

A 1500 kg weather rocket accelerates upward at 10 m/s2 . It explodes 2.0 s after liftoff and breaks into two fragments, one twic

S_A_V [24]

Answer:

V2=-20.0155m/s

Step-by-step explanation:

To answer this question we will use the principle of conservation of momentum which is

MtVt=M1V1+M2V2

1) let's find the initial velocity.

We will use,

v=a*t

v=10m/s2*2s = 20 m/s

d=vot+1/2*a*t2

d=0+1/2*10*4

d=20m

2) For the speed of the lighter piece we use,

v22=v12+2ad

0=v12+2*-9.81*(530-20)

v12=10006.2

v1=100.031m/s

3) Computing this in our conservation of momentum equation it will be-

MtVt=M1V1+M2V2

1500kg*20m/s=(1500*1/3)kg*100.031m/s + (1500*2/3)+V2

30000=50015.5+1000V2

Therefore V2=-20.0155m/s.

6 0

2 years ago

Katarina [22]

Answer:

The volume of rectangular prism is $\frac{24}{105}$ inches³

Step-by-step explanation:

Given as :

The Length of rectangular prism = L = $\frac{2}{3}$ inches

The Breadth of rectangular prism = B = $\frac{3}{5}$ inches

The Height of rectangular prism = H = $\frac{4}{7}$ inches

Let The volume of rectangular prism = V inches³

A rectangular prism is a 3-D figure with 6 faces

Now, <u>From formula of rectangular prism</u>

Volume = Length × width × height

Or, V = L × B × H

Or, V = $\frac{2}{3}$ inches × $\frac{3}{5}$ inches × $\frac{4}{7}$ inches

or, V = $\frac{2\times 3\times 4}{3\times 5\times 7}$ inches³

or, V = $\frac{24}{105}$ inches³

So, The volume of rectangular prism = V = $\frac{24}{105}$ inches³

Hence The volume of rectangular prism is $\frac{24}{105}$ inches³ Answer

5 0

3 years ago

Can someone help me with exercise #5 pls

jolli1 [7]

Answer/Step-by-step explanation:

Exercise 5:

a. 180 pages was read in 5 days

Unit rate = pages per day = 180 pages ÷ 5 = 36 pages per day.

b. Number of pages of the book = 765 pages

Unit rate = 36 pages per day

Number of days to read the book = 765/36 = 21.25

It will take Kirk about 22 days to finish reading the book.

5 0

2 years ago