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Ivahew [28]
3 years ago
12

Is the point (3, 11) a solution for the linear equation 1/3x + y = 12? Explain.

Mathematics
1 answer:
Brut [27]3 years ago
7 0

Answer:

Yes, because when the values are substituted in, the equation becomes a true statement

Step-by-step explanation:

plug in the values for x and y and see if the equation makes sense

x=3

y=11

1/3(3)+11=12

1+11=12

12=12

Since the above equation is true, the point is a solution for the linear equation.

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What are the intercepts of -4x 6y-5z=60
algol [13]
X intercept is when y and z=0
yinter cept is when x and z =0
zintercept is when x and y =0

set to zero and solve

xint
-4x+6(0)-5(0)=60
-4x=60
divide -4
x=-15
xint is (-15,0,0)

ying
-4(0)+6y-5(0)=60
6y=60
divide by 6
y=10
yint is (0,10,0)

zint
-4(0)+6(0)-5z=60
-5z=60
divide by -5
z=-12
zint is (0,0,-12)




xint is (-15,0,0)
yint is (0,10,0)
zint is (0,0,-12)
6 0
2 years ago
4. Which operation should be completed first in the expression below? Use PEMDAS to evaluate. 24 ÷ (12 – 8) x 6 + 3 a. Add b. Su
irinina [24]

Answer:

Option b - Subtract

Step-by-step explanation:

Given : Expression 24\div(12-8)\times 6+3

To find : Which operation should be completed first in the expression below?

Solution :

P - Parentheses

E - Exponent

D - Divide

M - Multiplication

A - Addition

S - Subtraction

In the first step we solve the bracket in the expression  24\div(12-8)\times 6+3

So, we do subtraction i.e. 12-8=4

Therefore, option b is correct.

5 0
3 years ago
Find the future value of $2000 invested at annual rate of 2.4% compounded quarterly for 8 years. Round your answer to hundredths
MatroZZZ [7]

Answer: $2421.95

Step-by-step explanation:

A = p(1 + r/n) ^nt

A= 2000(1+0.024/4)^4x8

A= 2421.95

3 0
3 years ago
What is 28:36 in simplest form
xeze [42]
It would be 7:9 because if you divide each side by 4 then you can get it in simplest form
6 0
3 years ago
Read 2 more answers
Pls help with this math
Salsk061 [2.6K]

Answer:

44.58

Step-by-step explanation:

v=\frac{4}{3}\pi r^{3}\\ given r= 2.2\\\pi =3.14\\hence:v=\frac{4}{3}  (3.14)(2.2)^3=44.58

5 0
2 years ago
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