Help please I will give yu brainlyest if it’s correct

Answer:

Formula

Slope of a line

Once your equation is in slope-intercept form: "y = mx+b", the coefficient of "x" (the "m") is the slope. The constant (the "b") is the y-intercept at (0, b).

Step-by-step explanation:

slope= dy/dx

=y2-y1/x2-x1

Answer:

No

There are infinitely many solutions to the system.

{36x+21y=24312x+7y=81

Multiply the second equation by 3.

3(12x+7y36x+21y=81)=243

Subtract this new equation from the first equation.

36x+21y−(36x+21y0+0=243=243)=0 true

There are infinitely many values of x and y are possible.

One or many equations having the same number of unknowns that can be solved simultaneously called as simultaneous equation. And simultaneous equation is the system of equation.

Given:

Two school groups go to a roller skating rink.

One group pays $243 for 36 admissions and 21 skate rentals.

The other group pays $81 for 12 admissions and 7 skate rentals.

Let x represent the cost of admission and let y represent the cost of a skate rental.

We have a system of equations,

36x + 21y = 243   {equation 1}

12x + 7y = 81        {equation 2}

Simplifying equation 1 we get,

36x + 21y = 243  

Divide by 3,

12x + 7y = 81      

That means, there are infinitely many solutions possible.

Therefore, there are infinitely many solutions possible.

To learn more about the system of equation;

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Answer:

234

Step-by-step explanation:

Answer:

check the photos.

but if you substitute your x and y into the equation, your answer will be = -6/7

Answer:

b. y =2x

Step-by-step explanation:

Answer:

b. y =2x

Step-by-step explanation:

Answer:

Answer B

Step-by-step explanation:

Answer: C (I think) and the slope is 2/5, the points on the graph are (0,0) (5,2) (10,4) (15,6)

Step-by-step explanation: Nothing is being multiplied in the equation like in the other two answers, and slope is always change in y/change in x

Answer: = − 3 /2

Precalculus, Matrix

Rearrange terms, Combine multiplied terms into a single fraction, distribute, Multiply all terms by the same value to eliminate fraction denominators, Multiply all terms by the same value to eliminate fraction denominators . Cancel multiplied terms that are in the denominator . Multiply the numbers . Add 4 to both sides of the equation . Simplify.

Divide both sides of the equation by the same term  . Simplify

Answer:

z = -3/2

Step-by-step explanation:

Our goal here is to solve -1/3 (4+z)=-5/6 for z.

Begin by multiplying both sides by 6, to eliminate the fractions:

-2(4 + z) = -5

Isolate (4 + z) by dividing both sides by -2:  4 + z = 5/2

Finally, determine z by subtracting 4 from both sides:  z = 5/2 - 8/2 = -3/2

z = -3/2

Answer:

Here is what I got...

Step-by-step explanation:

Answer:

99 x 29 = 2871

Step-by-step explanation:

he could multiply 29 by 99

Answer:

11191950

Step-by-step explanation:

Multiple 55 by 63 which gets you 3456 then you multiplay it again with 95 giving you 329175 and now finally you multiply 34 to it to get 11191950.

Answer:

length= 35 feet and width= 10 feet

Step-by-step explanation:

You are given the perimeter of the rectangular deck is

90 feet.

2 x length + 2 x width = 90 You are also given that the deck's length is 5 feet less than 4 times it's width. That is length = 4 x width - 5

Those two equations are your system of linear equations. The second equation can be plugged into the first equation. This gives us an equation entirely in terms of width.  

2x (4 x width - 5) + 2 x width =90

Distribute the 2 though

8 x width - 10 + 2 x width = 90

Combine like terms with width.

10 x width - 10 = 90

Add 10 to both sides.

10 x width = 100

Divide both sides by 10 width = 100

Now you can plug width into your original equation for length above. Recall: length = 4 x width - 5

Length = 4 x 10 - 5

Length = 40 - 5

Length = 35

Answer: c. 80

Step-by-step explanation:

Answer:

80

Step-by-step explanation:

First add all of the the test results 70+70+80+90+90=400 then you divided by how many test their were so 400/5=80

Answer:

for the first one its       right 2 down 5

for the second one its       right 5 down 2

for the third one its          left 2 up 5

i hope this helps pls tell me if im wrong

1) right 2 down 5

2) right 5 down 2

3) left 2 up 5

Answer:

The elevation is -200 feet.

Step-by-step explanation:

600 - 800 = -200

Answer:

[tex]10\frac{9}{16}[/tex]

Step-by-step explanation:

Step 1 of 2- Convert decimal to fraction

10.5625 = [tex]\frac{105625}{10000}[/tex]

Step 2 of 2: Simplify

[tex]\frac{105625}{10000}[/tex] = [tex]\frac{169}{16}[/tex] = [tex]10\frac{9}{16}[/tex]

Answer:

70%

Step-by-step explanation:

8,700/12,500= 0.696

0.696 x 100 = 69.6%

69.6 estimated = 70%

Answer: Answer is -11.95

You can give the unknown value as x to make things easier

( x + 1.75 ) / 2 = -5.1

Find the value of x:

x + 1.75 = –5.1 x 2

x + 1.75 = -10.2

x = -10.2 – 1.75

x = -11.95

:)

Step-by-step explanation:

The ending balance is $5,480.

Answer:

Option 4: 10d + 5

Step-by-step explanation:

Given the algebraic expression, 5(2d + 1), which represents the fines per day, d, for overdue books.

In order to determine the equivalent algebraic expression of 5(2d + 1), we must distribute 5 into the terms inside the parenthesis:

5(2d + 1)

= 5(2d) + 5(1)

[tex]\fbox{\textsf{= 10d + 5 }}[/tex]

Therefore, the equivalent expression is: 10d + 5.

Answer:

I think the answer is 13

Step-by-step explanation:

Answer:

6/10

Step-by-step explanation:

60% of 100 is equal to 6/10

Answer:

-5-4-3-2-1 0 1 2 3 4 5

Step-by-step explanation:

Step-by-step explanation:

look at the picture

hope it helps you.

Answer:

The answer i got is this -16 2/3, which i think is greater than -16

The ongoing profundity of the hole is less than the negative region feet subterranean level. Then the right choice is D.

Inequality is defined as an equation that does not contain an equal sign. Inequality is a term that describes a statement's relative size and can be used to compare these two claims.

A hole needs to arrive at no less than 72 feet subterranean level. This implies it should be multiple 1/2 times its ongoing profundity. This profundity is addressed by the imbalance 4 ¹/₂ d < - 72, where d is the ongoing profundity of the burrow.

4 ¹/₂ d < - 72

Simplify the inequality, then we have

4 ¹/₂ d < - 72

4.5d < - 72

d < - 72 / 4.5

d < - 16

The ongoing profundity of the hole is less than the negative region feet subterranean level. Then the right choice is D.

More about the inequality link is given below.

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Answer:

What is a sales tax decalculator?

Step 1: take the total price and divide it by one plus the tax rate.

Step 2: multiply the result from step one by the tax rate to get the dollars of tax.

Step 3: subtract the dollars of tax from step 2 from the total price.

Pre-Tax Price = TP – [(TP / (1 + r) x r]

TP = Total Price.

Step-by-step explanation:

Answer:

4 times

Step-by-step explanation:

822/205= 4 R2

Remember PEMDAS (Order of Operations)

first you take the (1+2) and add them together

then remove the brackets and since the 3 is infront of the 2 they will multiply

the equation looks like this

6/2x3 now answer it from left to right.

the answer becomes 9

Answer:

A is true. C is true. D is true

Step by-step explanation: