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Aleks04 [339]
2 years ago
6

Write the phrase as an equation /

Mathematics
2 answers:
Anestetic [448]2 years ago
8 0
N is the variable we are using here so four and twenty are the coefficients here

So the answer would be

4=20+N
Vilka [71]2 years ago
4 0

Answer:

4 = 20 + n, where n is the number

Step-by-step explanation:

Here are a few key words to use when converting words to an equation

"is": =

"more": +

"less": -

"more than", "greater than": >

"less than": <

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Which value, when placed in the box, would result in a system of equations with infinitly many solutions? Y=2x - 5 2y-4x=
Nezavi [6.7K]

Given:

The system of equations is

y=2x-5

2y-4x=?

To find:

The missing value for which the given system of equations have infinitely many solutions.

Solution:

Let the missing value be k.

We have,

y=2x-5

2y-4x=k

Taking all the terms on the left side, the given equations can be rewritten as

-2x+y+5=0

-4x+2y-k=0

The system of equations a_1x+b_1y+c_1=0 and a_2x+b_2y+c_2=0 have infinitely many solutions if

\dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}

We have,

a_1=-2,b_1=1,c_1=5

a_2=-4,b_2=2,c_2=-k

Now,

\dfrac{-2}{-4}=\dfrac{1}{2}=\dfrac{5}{-k}

\dfrac{1}{2}=\dfrac{1}{2}=\dfrac{5}{-k}

\dfrac{1}{2}=\dfrac{5}{-k}

On cross multiplication, we get

-k=10

k=-10

Therefore, the missing value is -10.

6 0
2 years ago
2/5 in Fraction form?
hram777 [196]

Answer:

2/5 is fraction form.

0.4 is decimal form btw.

5 0
2 years ago
Sam and Edna have 56 marbles together. Edna had six times more marbles than Sam. How many Mor marbles does Sam have
Aliun [14]
X+6x=56. 7x=56. Divide each side by 7 to get x=8. So Edna has 48 marbles. Sam has 8 marbles. She has 40 more marbles. Hope this helps! ;)
8 0
2 years ago
1. A line
sammy [17]
What are the directions for this?
4 0
2 years ago
(4x1000) + (2x100) + (3x1/10)
disa [49]
(4*1000) + (2*100) + (3*1/10) = <span>4200.3
</span>(4x1000) + (2x100) + (3x1/10) = <span>4200.3
</span>
Both are equal.
5 0
3 years ago
Read 2 more answers
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