HELP QUICK!! solve by substitution and show work please

HELP QUICK!! Solve By Substitution And Show Work Please

Answers

Answer 1

Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:



x= 1, y= -4


Related Questions

f (x) = 13[tex]\sqrt[3]{x}[/tex] power function yes or no
if yes where is k and p

Answers

Answer:

f =

x = 13 = x

k = x

p = x

Step-by-step explanation:

What is the value of a+b?

Answers

Answer:

125

Step-by-step explanation:

[tex]a = \frac{1}{2} \times 90 \degree \\ \\ a = 45 \degree \\ \\ b =\frac{1}{2} (360\degree - 200\degree) \\ \\ b = 80\degree \\ \\

a + b = 45 + 80 \\ \\ a + b = 125 \degree[/tex]

What is the best answer for this

Answers

Step-by-step explanation:

the answer is 4

a+(-7)+3=0

a=7-3

a= 4

Answer:

4

Step-by-step explanation:

There are two ways of going about this problem. One could simply substitute every given answer and simplify to see if it makes a true statement. Conversely, one could solve the given equation with inverse operations. In this case, it is easier to solve with inverse operations.

Undo parenthesis,

a + (-7) + 3 = 0

a - 7 + 3 = 0

Simplify,

a - 7 + 3 = 0

a - 4 = 0

Inverse operations,

a - 4 = 0

   +4

a = 4

Find the measure of one interior angle in the regular polygon hexagon

Answers

All sides are the same length (congruent) and all interior angles are the same size (congruent).
To find the measure of the interior angles, we know that the sum of all the angles is 720 degrees (from above)... And there are six angles...


So, the measure of the interior angle of a regular hexagon is 120 degrees.

If sec 50 = cosec 70, prove that 0 = 7.5°​

Answers

Answer:

The proofing is given below:

Step-by-step explanation:

[tex]Sec 5\theta = cosec 7\theta\\\\cosec (90 - 5\theta) = cosec 7\theta\\\\Now\ on\ comparision \\\\90 - 5\theta = 7\theta\\\\90 = 7\theta + 5\theta\\\\90 = 12\theta\\\\\frac{90}{12} = \theta\\\\0.75 = \theta[/tex]

Hence, it is proved

x+5
3

+
x−5
2x+5

=
x−5
3x

Answers

Answer: 4x+5 [tex]\neq[/tex] 4x-5

Step-by-step explanation: It's really hard to tell what the question is.

pls help me !! will mark brainliest... i just need you to solve for m<1 and m<7 !! thanks !!

Answers

Step-by-step explanation:

=( n-2)180

= ( 4 - 2 )180

= 360

So, 144 + 90 + m<2 +m<1 = 360

144 + 90 + 85 + m<1 = 360

319 + m<1 = 360

m<1 = 360 - 319

m<1 = 41

their is an unknown angle so let's call it x

let's find x first ( m<6=49)

x + m<6 = 180

x + 49 = 180

x = 180 - 49

x = 131

Now let's find m<7

m<7 + 38 + m<4 + x = 360

m<7 + 38 + 85 + 131 = 360

m<7 + 254 = 360

m<7 = 360 - 254

m< 7 = 106

how to factor with the quadratic fourmula. n2-18n+66=0

Answers

Solve the equation using the quadratic formula
More Icon
The Quadratic formula provides the solution for
A
n
2
+
B
n
+
C
=
0
, in which A, B and C are numbers (or coefficients), as follows:


So it would be either n= -5.127 or n= 12.873

What is the principal square root of 16?
O A. 2
O B. -4
O C. -2
O D. 4

Answers

Answer:

D. 4

Step-by-step explanation:

We know that the square of (+4) is 16 and also for (—4) is 16. We normally takes interest in positive square value for a square root. Therefore, The principal square root of 16 is 4

Yo se que es eso si no pues ni modo XD

D.4

Plz help im very confused. Find Cos E.

Answers

Answer:

cos E =9/41

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

cos E = adjacent/ hypotenuse

Cos E = 18/82

cos E =9/41

How do you do this?? Show all work please

Answers

The answer is every long.

Step-by-step explanation:

as the figure shows

3. The cost of the city permits needed to build this building is 150,000 no matter how many floors with

condos are built.

a. Create a function p(1) based on this information.

b. What is the slope of your function and what does it tell you?

Answers

Answer:

[tex]P(x) = 150000[/tex]

[tex]Slope = 0[/tex]

Step-by-step explanation:

Given

[tex]Cost = 150000[/tex]

Solving (a): The cost function:

From the given parameter, it shows that the number of floor has no effect on the floors.

So, represent the floors with x.

The cost function is:

[tex]P(x) = 150000[/tex]

Solving (b): The slope and its interpretation

A function is represented as:

[tex]f(x) = b + mx[/tex]

Where:

[tex]m=slope[/tex]

By comparing: [tex]f(x) = b + mx[/tex] to [tex]P(x) = 150000[/tex]

[tex]m = 0[/tex]

So:

[tex]Slope = 0[/tex]

What it means is that, no matter the number of floors, the cost remains unchanged.

The table shows the relationship between the average number of hours students studied for a mathematics test and their
average grade.
Hours
Studied
Average
Grade
0
62
1
78
2
85
5
74
Which type of function is most likely to model these data?
A
linear function with positive rate of change
O
B
linear function with negative rate of change.
non-linear function that decreases then increases
D
non-linear function that increases then decreases

Answers

Answer:

D

Step-by-step explanation:

I'm going to ponder a guess that the numbers shown, 0, 62, 1, 78, 2 ,etc. are part of a table. Having said that, the answers, when graphed, create a sort of parabola, meaning that the function itself is non-linear. This exterminates option A and B. Now its just a matter of seeing which way it goes, and since 78 is higher than 62, and 85 is higher than 78, it obviously increases, rather than decreases. This makes D our final answer.

I can use problem-solving strategies to add and subtract fractions with unlike denominators.

A.
strongly agree

B.
agree

C.
disagree

D.
strongly disagree

Answers

Hey there!

If you do this, I would suggest saying "strongly agree"

This means that you can solve them using strategies that make it easier.

Have a super awesome day! :)

adding and subtracting polynomials

Answers

Answer:

6x^2+3x+1

Step-by-step explanation:

Simplify by combining like terms

I think that the answer would be 6x^2+3x+1.

Evaluate
(i)√121
(ii) 3^-2

Answers

I think your looking for. 11 and 1/9

Find the missing angle?​

Answers

Answer:

90 degrees

Step-by-step explanation:

the answer to this problem is 90

A dress whose marked price is Rs 360 is sold at a discount of 10%. If the shopkeeper still makes a profit of 20%, the cost of the dress is​

Answers

Answer:

i dont know if this help comment if not

Step-by-step explanation:

10% discount is 360-36=324

20% profit=  288

36733"lik açının derece,dakika ve saniye olarak eşiti aşağıdakilerden hangisidir? A) 10° 14' 13" B)10° 14' 3" C)10° 13' 13" D)10° 12' 23" E)10° 12' 13"​

Answers

Answer:

E

Step-by-step explanation:

36733 / 60 "612 kalan da 13

612/ 60 = 10 kalan ise 12

EASY PLEASE HELP!!!!!!

Answers

Answer:

e - surveys

Step-by-step explanation:

I'm not sure btw sorry but hope this can help

This recipe makes 15 cupcakes.
Deepak only wants to make 12 cupcakes.
How much of each ingredient does he need?

Recipe: Makes 15 cupcakes
12 ounces butter
10 ounces sugar
15 ounces flour
5 eggs

Answers

9.6 ounces butter
8 ounces sugar
12 ounces flour
4 eggs

A principal is buying computers for the school. Each class will receive three computers plus one computer for every 5 students in the class.
Students and Computers
Number of Students Number of Computers
10
5
15
6
25
8
30
9
Which equation shows the relationship between the number of students in a class (n) and the number of computers (c) the class will receive?
Oc= n +3
Oc=sn +3

Answers

Answer:

c=n/5+3 the first answer

A right square pyramid is shown. The base has a side length, b, of 30 centimeters (cm). The height, h, is 10 cm.

What is the length, in centimeters, of l?

Draw and label a triangle to model how to find the length of l.
What are the lengths of the legs? How do you know?







What is the length, in centimeters, of l? Use your model to help you find this value.

Answers

Answer:

Step-by-step explanation:

Without the illustration, I assume that L is the slant height of a triangular face.

L = √(15^2 + 10^2) = 5√13 cm

plz help
plz
plz
plz
plz​

Answers

Answer:

Please refer to the attachment

Answer:

x = -1/2   or x = -3

Step-by-step explanation:

2x^2 + 7x + 3 = 0

First, we try factoring the polynomial.

(2x + 1)(x + 3) = 0

It works. Now we set each factor equal to zero.

2x + 1 = 0   or   x + 3 = 0

2x = -1   or   x = -3

x = -1/2   or x = -3

Simplify
x + x + y + y

Answers

Answer:

2x + 2y

Step-by-step explanation:

there are 2 x's and y's.

What numbers can you multiply to get 14 and add to get -5?

Answers

Answer:

-2 and 7

Step-by-step explanation:

2×7=14

2-7=-5

this is what I got.

how to solve b 2 + 5b -35 = 3b

Answers

here you go!..........

Gavin can type 3600 words in 60 minutes.
Dan can type 3850 in 70 minutes.
Colin can type 3500 words in 70 minutes.
Who types at the fastest rate of words per minute?

Answers

Answer:

Dan

Step-by-step explanation:

Answer:

Gavin

Step-by-step explanation:

3600/60=60 word/s

3850/70= 55 words/s

3500/70= 50 words/s

60>55>50

Help me plssssssss!!!

Answers

Answer:

1) B. $9000

2) A. (4,5)

Step-by-step explanation:

Answer with evidence I give points and brainiest and friend me for personal points

Answers

Answer:

12.75ft²

Step-by-step explanation:

Step 1: Determine the formula for the area of a trapezoid

The formula for the area of a trapezoid is A=1/2(b1+b2)*h where b1 and b2 are the bases of the trapezoid and h is the height of the trapezoid.

Step 2: List given information

b1=8ft

b2=9ft

h=1.5ft

Step 3: Plug given variables into the formula

A=1/2(b1+b2)*h

A=1/2(8+9)*1.5

A=1/2(17)*1.5

A=8.5*1.5

A=12.75

So the area of the seat is 12.75ft²

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