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Setler79 [48]
3 years ago
6

Solve the system of equations using a matrix X+3y=5 X+4y=6

Mathematics
1 answer:
shusha [124]3 years ago
7 0

Answer:

x=2 and y=1

Step-by-step explanation:

if y is 1 then u can multiply the three and 4 which is the same and then add 2 which add up to 5 and 6

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Floor tile costs $11 per square yard. how much will it cost to tile a bathroom that is 90 square feet?
Genrish500 [490]
To calculate for the equivalent price in units of per square feet, we need to convert the given units from per square yard to per square feet. We calculate as follows:

<span>$11 per square yard ( 1 yard per 3 feet )^2 = $0.14 per square feet

90 square feet (</span>$0.14 per square feet) = $12.22
3 0
3 years ago
What is the product?<br> 2x(x-4)<br> O 2x2-4<br> O 2x2-8<br> O 2x2 - 4x<br> O 2x2-8x
kherson [118]

Answer:

the answer would be 2x^2-4x

4 0
3 years ago
Find a vector equation and parametric equations for the line. (Use the parameter t.) The line through the point (1, 0, 9) and pe
pogonyaev

Answer:

vector equation and parametric equations for the line are;

r(t) = < 1, 0, 9 > + t< 1, 3, 1 >

x(t),y(t),z(t) = < 1 + t, 3t, 9 + t >

Step-by-step explanation:

Given the data in the question;

Plane = x + 3y + z = 5

Normal of pane ⇒ <a> = < 1, 3, 1 >

As line is perpendicular to pane, Line is parallel to normal of plane.

⇒ Direction ratio of line < 1, 3, 1 >

Also line passes through < 1, 0, 9 >

so

r(t) = < 1, 0, 9 > + t< 1, 3, 1 >

Also,

(x-1)/1 = (y-0)/3 = (z-9)/1 = t

⇒ (x-1)/1 =t,  (y-0)/3 = t, (z-9)/1 = t

⇒ x = 1 + t, y = 3t, z = 9 + t

⇒ x(t),y(t),z(t) = < 1 + t, 3t, 9 + t >

Therefore, vector equation and parametric equations for the line are;

r(t) = < 1, 0, 9 > + t< 1, 3, 1 >

x(t),y(t),z(t) = < 1 + t, 3t, 9 + t >

5 0
3 years ago
4 8/9 divided by 2/3
Veseljchak [2.6K]

Answer:

11

Step-by-step explanation:

Same denominator and then just divide.

5 0
3 years ago
Read 2 more answers
Find the measure of &lt;6​
Yuliya22 [10]

Answer:36°

Step-by-step explanation:

35°+ (m 4)+90°= 180°

(m 4)= 55°

55°+90°=(m 6)

(m 6)=35°

8 0
3 years ago
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