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ruslelena [56]
3 years ago
7

Write the equation of a line that includes the point (-4,0) and a slope of 3/5 in slope intercept form?

Mathematics
1 answer:
kvasek [131]3 years ago
5 0
The answer is:  " y = (3/5)x <span>−</span> 4 " .
_______________________________________________________
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-2 = K+7/3 find for k
Likurg_2 [28]

Answer:

k = -13/3

Step-by-step explanation:

Step 1: Flip the equation.

k + 7/3 = -2

Step 2: Subtract 7/3 from both sides.

k+ 7/3-7/3 = -2 - 7/3

k= -13/3

Hope this helps!

5 0
3 years ago
The American Water Works Association reports that the per capita water use in a single-family home is 74 gallons per day. Legacy
Lunna [17]

Answer:

Reject H0 since test statistic <-2.492

Step-by-step explanation:

Given that the American Water Works Association reports that the per capita water use in a single-family home is 74 gallons per day.

n = 25

x bar = 69

s= 8.3

std error = s/sqrt n = \frac{8.3}{5} \\=1.66

H0:\bar x = 74

Ha: \bar x

(Left tailed test at 5% significance level)

a) Reject H0 if t\leq-2.492

b) Test statistic = mean difference/std error

= \frac{69-74}{1.66} \\=-3.012\\

=-3.01

df =24

c) Reject H0

6 0
3 years ago
Suppose matrix B is the inverse of matrix A. Use your knowledge of inverses and matrix multiplication to answer the following: A
neonofarm [45]

AB will be an Identity matrix.

<h3>What is an identity matrix?</h3>
  • A square matrix with 1s on the main diagonal and 0s everywhere else is an identity matrix.
  • The identity matrices 22 and 33, for example, are presented below.
  • These are known as identity matrices because they produce the identity matrix when multiplied by a compatible matrix.
  • If the answer to a matrix multiplication problem is an identity matrix, then each of the two matrices is an inverse matrix of the other.
  • When the matrix is multiplied by the original matrix, the result is the identity matrix.

As it is given in the description itself, if the answer to a matrix multiplication problem is an identity matrix, then each of the two matrices is an inverse matrix of the other.

Therefore, AB will be an Identity matrix.

Know more about the identity matrix here:

brainly.com/question/2361951

#SPJ4

5 0
2 years ago
I am having trouble with this equation 3 ( x-5 ) =9<br><br>can anyone help pls
Murljashka [212]
First you distributive property:
3x-15=9
Add 15
3x=24
Divide
x=8
4 0
3 years ago
Read 2 more answers
What the full work out for this A mesasurment on a house plan scaled at 1:100 is Calculate what this would represent in a real h
MaRussiya [10]

Answer:

you have to have the a measurement with the 3cmx 100 q1the anser is 1

Step-by-step explanation:

5 0
3 years ago
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