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Mamont248 [21]
2 years ago
8

Zombies scare everyone and a mummy is much like a zombie. In fact, their equations are parallel to each other. If the zombie equ

ation is `y=7x+5` and the mummy equation passes through the point (3, 23), what is the mummy's equation?
Mathematics
2 answers:
Marizza181 [45]2 years ago
7 0

Answer

y=7x+2

Step-by-step explanation:

you have your slope already so keep slope but remove 5 and turn it into b in order to solve for new equation ...

y=7x+b

sub in (3,23) in your equation

23=7(3) +b

23=21 +b

23-21=b

2=b

your new equation should be y=7x+2

user100 [1]2 years ago
3 0

Answer:

y=-1/7+23 3/7

Step-by-step explanation:

Since it's parallel you take the y=7x+5 and the 7 is turned into -1/7(to find what's PARALLEL)

Now you put it into point slope formula to get: y-3=-1/7(x-3)

Simplify the equation.

Hope this helps(^-^)

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Rewrite the equation y - 8 = 2(x + 4) into slop-intercept form
qwelly [4]

Answer:y=2x+16

Step-by-step explanation: y-8=2x+8

+8=. +8

Y= 2x+16

8 0
3 years ago
To receive a grade of A on an 80-question test, 90% of the questions must be answered correctly. What is the maximum number of q
marta [7]

Answer:

The answer would be 8.

Step-by-step explanation:

This is a percentage question, and I have struggled with these before but this is the <em>easiest</em> way to solve it given these certain criteria.

Alright, so it's given that:

A) 90%= an A grade

and

B) This is an 80-question test.

Given these, we can do the following:

90% times 80, which equals <em>72</em>.

Just to check, we know that to convert percentages to fractions, we move the decimal two spots to the left, therefore 90%= 0.90, or 0.9. We take 72 and divide it by 80, and we get 0.9, thus showing that it is correct.

Then, we do 80-72 and using simple math we get 8.

8 0
3 years ago
Solve the decimal division application round to the nearest 10th if needed there are approximately 39.37 inches in 1 m determine
Shtirlitz [24]

Answer:

  D.  1000 meters

Step-by-step explanation:

(39370 in)/(39.37 in/m) = (39.37×1000)/(39.37) m = 1000 m

3 0
3 years ago
Is the answer b? If not then what’s the answer
m_a_m_a [10]
I would say the answer is b, because it is a rhombus gape and all sides are congruent and there are 4 sides
3 0
3 years ago
Read 2 more answers
What is the first step to solve the following system of equations using substitution?
Akimi4 [234]

Answer:

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

Thus, option A) is true.

The solution to the system of equations be:

x = 4, y = 5

Step-by-step explanation:

It is important to remember that when we solve the system of equations, the first step we need to do is to solve one of the equations for one of the variables.

Given the system of equations

x - y = -1

2x - y = 3

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

x-y=-1

Add y to both sides

x-y+y=-1+y

x=-1+y

Thus, option A) is true.

<u>NOW LET US SOLVE THE REMAINING PORTION</u>

\mathrm{Subsititute\:}x=-1+y to solve for y

\begin{bmatrix}2\left(-1+y\right)-y=3\end{bmatrix}

-2+y=3

y=5

For x = -1 + y

substitute y = 5

x=-1+5

x=4

Thus, the solution to the system of equations be:

x = 4, y = 5

3 0
2 years ago
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