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Gre4nikov [31]
3 years ago
5

What is the coefficient of the xy term in the expression below? 2x + 3y - 4xy - 10

Mathematics
2 answers:
max2010maxim [7]3 years ago
7 0

Answer:

The coefficient of the xy term in the expression is -4

Step-by-step explanation:

In an algebric expression, the coefficient is the number attached to a variable x,y,z.

For example in algebric equation 4x + 3y = 12

The coefficient of x is 4 and the coefficient of y is 3.

So in the given term 2x + 3y - 4xy - 10,

The coefficient of the xy term is -4

alukav5142 [94]3 years ago
3 0

For this case we have the following expression:

2x + 3y-4xy-10

By definition, a coefficient is the term that accompanies one or more variables.

For example:

3x + 5

The coefficient of the linear term is 3.

So, in the given expression we have to:

-4 is the term that accompanies the variables xy.

Answer:

-4

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1 point
Margarita [4]

Answer:

35% or 0.35

Step-by-step explanation

If 20 grams is 100%, that means each gram is 5% of the whole. So 7 time 5 is 35.

4 0
3 years ago
A number is 5 more than 3 times another number. The sum of the two numbers is 33. As an equation, this is written x + 3x + 5 = 3
Cloud [144]

Answer:

x=7, so the smaller number is 7 and the larger number is 21.

Step-by-step explanation:

x=3x+5=33

Let x=3:

(3)+3(3)+5=3+9+5=17, not 33, so x is not 3

Let x=5:

(5)+3(5)+5=5+15+5=25, not 33, so x is not 5

Let x=7:

(7)+3(7)+5=7+21+5=33, so x=7

Let x=9:

(9)+3(9)+5=9+27+5=41, not 33, so x is not 9

Therefore x=7. Because x represents the smaller number, and the larger number is 3 times the smaller number, the smaller number is 7 and the larger number is 3(7)=21.

6 0
2 years ago
Read 2 more answers
The scale on a city map is 3/4 inch represents 1/8 mile.How many inches per mile are represented by the scale on the map
Sonja [21]
3/4  inch  represents  1/8 mile,  that means:

1/8 mile represented by 3/4 inch

1 mile  will be :      (3/4) inch ÷ (1/8)

                             =  3/4 × 8/1 = 6

1mile will be represented by 6 inches

So on the map it is 6 inches per mile
8 0
3 years ago
Find the height of a cuboid whose volume is 540 cu.cm and base area is 90 sq.cm .
EastWind [94]

Answer:

540/90=6

and is 6 cm

height is 6 cm

6 0
2 years ago
Some equations have the form y=kxy=kx, where kk is a number.
miv72 [106K]

Answer:

x = 4y

Step-by-step explanation:

Given

y = kx

<em>See attachment for options.</em>

Required

Determine which of the options answers the question

Analyzing the option one after the other:

\frac{x}{y} = 4

Multiply through by y

y * \frac{x}{y} = 4 * y

x = 4y

Divide through by 4

\frac{x}{4} = \frac{4y}{4}

\frac{x}{4} = y

This can be rewritten as

y = \frac{x}{4}

y = \frac{1}{4} x

By comparison with y = kx

we have:

y = y

x = x

k = \frac{1}{4}

<em>Hence: this answers the question.</em>

3 0
3 years ago
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