Solve the system using the substitution method. -5x – 8y = 17 x = 3.5y – 8.5 NO LINKS PLEASE HELP LINKS = REPORT

Answers

Answer 1

Answer:

x=-5 , y=1

Step-by-step explanation:

-5x-8y=17

x=3.5y-8.5

-5(3.5y-8.5)-8y=17

-17.5y+42.5-8y=17

-25.5y+42.5=17

-25.5y=-25.5

y=1

x=3.5(1)-8.5

x=-5


Related Questions

Simplify. Simplify.

62+15

Answers

Answer:

62+15= 77

Step-by-step explanation:

Answer:

77

Can I have brain list

Step-by-step explanation:

How many unit cubes are on each layer of this cube

Answers

There are 16 cubes in each layer.

What are cube?

A cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. Viewed from a corner it is a hexagon and its net is usually depicted as a cross.

Given that, a cube,

Since, we know that, all sides of a cube are equal and the cross-section of the cube is a square,

Therefore, counting the cubes of the front face,

4 cubes vertical and 4 cubes horizontal,

Therefore, total cube in front face = 4×4 = 16

Therefore, cubes in each layer is 16.

Learn more about cubes, click;

https://brainly.com/question/28134860

#SPJ1

Guided Practice
Find the square.


(c + 1)2


A.
c2 + 1


B.
c2 + c + 1


C.
c2 + 2c + 1

Answers

Answer:

C

Step-by-step explanation:

(c + 1)(c+1) = c² + c + c + 1 = c² + 2c + 1

hey guys i rlly need help i don't understand rational numbers

Answers

Answer:

if its not a fraction or a number that can be written as a fraction, its an irrational

Please help me due in 3 Hours WILL GIVE BRAINLIST

Answers

Answer:

a.) 200

b.) -56

If I typed out all my work, it would be one LONG answer. I’m just going to include the steps in an attachment. Hope it’s accurate & helpful!

Emily buys some of her clothes second
hand. If 75% of her shirts are second hand
and she owns 24 shirts, how many of
Emily's shirts are second hand?

Answers

Answer:

18 shirts

Step-by-step explanation:

75% of 24

convert 75% to decimal number

75% is 0.75

0.75 x 24 = 18

What is the value of f(x) = 4x -9

Answers

Answer:

F= 1 /4 y+ 9 /4

Step-by-step explanation:

brainliest?

A cylindrical gas tank holds approximately 401.92 cubic feet of fuel. The radius of the tank is 4 feet. Find the height of the tank in feet. Use 3.14 for π. PLEASE HURRY I NEED THIS

Answers

Answer:

8 ft

Step-by-step explanation:

Given:

Volume = 401.92

radius = 4 feet

Volume of cylinder: [tex]\pi[/tex]r^2h

3.14 * 4^2 * h = 401.92 cubic feet

3.14 * 16 * h = 401.92 cubic feet

50.24 * h = 401.92

h = 8 ft

How do I find degrees of monomials?

Answers

Finding the degrees of monomials are actually really easy!

Here's how you know:
Some examples:

6y^4 Degree is 4. y to the 4th power.


65pq^3y^2 p is to the power of 1, q is power of 3, y is to the power of 2
so, 1+3+2=6
Degree: 6



18x^2y^5z
Here you see a 2, 5, and 1 because z to the first power is z.
2+5+1=8
Degree:8

--->Remember, this is just the sum of exponents of the variables

Fill in the blank. -6_-1*
>
<
=

Answers

Answer:

<

Step-by-step explanation:

-6 is lower than  -1. you can make a little line and count backwards from 0. -1 is closer to 0 than -6 is, therefore -1 being bigger and the sign being <

the answer is -6 < -1

find the value of X such that the data set has a mean of 118. 101, 119, 104, 115, 109, x

Answers

Answer:

160

Step-by-step explanation:

101+119+104+115+109+x=548+x

there are 6 terms including x so divide the sum by 6

(548+x)/6=118

multiply both sides by 6

548+x=708

subtract 548

x=160

hope that helps :)

Answer:

160

Step-by-step explanation:

There are 6 numbers in the set

101 + 119 + 104 + 115 + 109 + x = 6(118)

101 + 119 + 104 + 115 + 109 + x = 708

548 + x = 708

-548       -548

x = 160

The distance from the
coffee shop to the
school is 10 miles. On
the map, the coffee
shop is 7.5 inches from
the school. Which one
of the following gives
the scale used
on the map?

A. 5 inches = 2 miles
B. 4 inches = 3 miles
C. 2 inches = 5 miles
D. 3 inches = 4 miles

Answers

I think it’s A hope that helped

Gina had 1/2 a liter of Dr. Pepper. She gave 2/5 of a liter to her friend. How much does she have left?

Answers

Answer:

1/10

Step-by-step explanation:

1) find a common factor between the two denominators.

2 and 5 have a common factor of 10. you can find this by multiplying the denominators.

2) now that you have a common denominator of 10, you'll need to change the numerators too. you do this by finding out how many times the denominator goes into your common factor. 5 goes into 10 two times so you would multiply 2 x 2. two goes into 10 five times so multiply 5 x 1.

3) you now have both fractions that share a common factor. now you have to subtract them.

5/10 - 4/10 = 1/10

The current in a stream moves at a speed of 5 km/h. A boat travels 20 km upstream and 20 km downstream in a total of 3 hours. Find the speed of the boat in still water. ​

Answers

Answer:

14

Step-by-step explanation:

im right

Which represents a quadratic function?

Answers

Answer:

B

Step-by-step explanation:

a is a cubic. A cubic is an equation that has 3 on its base x to become x^3 as it's highest power. That is not a quadratic. A cubic and a quadratic are not the same thing.

b is a quadratic The highest power is 2 on the base (x)  to become x^2. That is how a quadratic is defined.

c is a reciprocal. It has its highest power in the denominator, and that is not a quadratic. A quadratic is an equation whose highest power is 2 on its base (x) and whose highest power is in the numerator, not the denominator. This choice is rather tricky because the quadratic formula can be used on it if you change x = 1/z. Then the equation becomes f(x) = 4z^2 - 2z + 1. But as it is given and likely as you have been told, this is not a quadratic. This will factor into  (2z - 1)(2z - 1). If I were a student, I'd question this one. It would be interesting to see how your instructor would eliminate it.

d is just a linear function. Since x^2 is multiplied by 0, it disappears. What is left is f(x) = -9x + 7 which is a linear function.

A boat has a depreciation rate of 12% per year. If the original price of the boat was $15,000, what is the value of the boat 5 years later? Round your answer to the nearest penny (hundredths place value). ​

Answers

Answer: $7,915.98

Step-by-step explanation: This is an exponentially decaying problem, so that means we use the formula ab^x.

The a value is the original price or the starting point, which is 15,000. The b value is the ratio in which it decreases or increases. It is decreasing, so we subtract 12 from 100, which is 88. The ratio should be in decimal form, so it is 0.88. Finally, the x should be the exponent, the amount of times it is getting multiplied by the ratio. So the equation would be 15,000(0.88)^5.

Then, we solve.

0.88 * 0.88 * 0.88 * 0.88 * 0.88 = 0.5277319168

Then 0.5277319168 * 15,000 = 7,915.978752.

Of course, we round to the nearest hundredth, which is 7,915.98. Hope this helped.

A skyscraper that stands 620 feet cast of shadow that is 125 feet long. What is the ratio of the shadow to the height of the skyscraper?

Answers

Your answer is 124/45
Shadow = 125
Height = 620
Ratio = 125:620
You can simplify to 25/124

Can you help me please thank you

Answers

Answer:

6. 4x^2 + x - 1
7. 3x^2 + 4x + 4

Explanation:

(3x^2 + x + 8) + (x^2 - 9)
4x^2 + x - 1

(5x^2 + 8x - 2) - (2x^2 - 4x + 6)
3x^2 + 4x + 4

What figure is a dilation of Figure A by a factor of 3?

Please help :)

Answers

Answer:

36×18×18×27

Step-by-step explanation:

Assuming the picture is Figure A you would multiply value from figure A by 3 to get corresponding value for dilated figure.

So if figure A is

12 × 6 × 6 × 9

the dilated figure would be

36 × 18 × 18 × 27



Multiply and combine like terms. Use^ for exponents. (2x-10)(3x-3)

Answers

Answer:

69

Step-by-step explanation:

PLS HELP ILL MARK U BRAINLIEST
I DID THE FIRST 1 I NEED HELP WITH THE SECOND <3

Answers

Answer:

7m and 49 m^2

Step-by-step explanation:

i am not sure on the second answer

The length of a rectangle is 12 less than four times the width. The perimeter of the rectangle is 176 cm. What are the dimensions of the rectangle?​

Answers

45
35
28
36
Are the dimensions




The table below shows the score
Analisa and Luke earned on four science
projects.
Science Project Scores
Project Analisa Luke
95 90
2
81 84
3
76 95
4
88 91
5
2
?
Analisa and Luke worked on a fifth
science project together. They each
carned the same score on the project.
When the fifth score is included in the
table, Analisa's mean score does not
change
Which of the following statements
describes how Luke's mean score
changes when the fifth score is included
in the table?

Answers

Answer:

It increases by 2.5

Step-by-step explanation:

yeah

The origin was used as the center of dilation to dilate quadrilateral ABCD as shown below.




Which algebraic representation best describes the dilation that was applied to quadrilateral ABCD to create quadrilateral A'B'C'D?​

Answers

I am stuck on same one

Answer:

x, y) → (1.5x, 1.5y)

Step-by-step explanation:

JT bisects AJH and the measure of MJT is four times that of TJH. If the measures of MJT is 120 find the measure of MJA.

Answers

MJH = 120

Let TJH = x

You’re told MJT is 4 times TJH

So you have 4x + x = 120

Simplify: 5x = 120

Divide both sides by 5:

X = 24

TJH = x = 24 degrees.

JT is a bisector so both TJH and TJA are the same. So TJA is also 24 degrees

So MJA = 120 - 24 - 24 = 72

MJA = 72 degrees

Answer

34MJT

Step-by-step explanation:

did it on edge

is it possible to have the ordered number pair 3;7 on the graph​

Answers

Answer:

Yes it is possible. Start at (0,0) which is the orgin and go right on the x-axis 3 spaces, and go up on the y-axis 7 spaces to get to the ordered pair of (3,7).

Step-by-step explanation:

The math teachers decided to throw a party. One teacher bought 7 cookies and 2 ice cream bars for $10.95. Another teacher bought 4 cookies and 3 ice cream bars for $10.25 . How much did one cookie and one ice cream bar cost, individually?​

Answers

Answer:

0.95, 2.15

Step-by-step explanation:

cookie-x

ice bar-y

7x+2y=10.95 (*3)

4x+3y=10.25 (*2)

21x+6y=32.85

8x+6y=20.5

21x-8x=32.85-20.5=12.35

13x=12.35

x=0.95

2y=10.95-7*0.95=4.3

y=2.15

What is the Surface Area of the Triangular Prism below?

Answers

Answer:

c ) 2480 cm²

Step-by-step explanation:

Surface Area of a Triangular prism =

S = bh + lb + 2ls

b = 30cm

h = 8cm

s = 17 cm

l = 35cm

The surface area = 30cm × 8 cm + 35 × 30 cm + 2(35 × 17)

= 240 cm² + 1050 cm² + 1190 cm²

= 2480 cm²

Option c is the correct option

You are given two pairs of triangles. For the first pair of triangles, each side and angle of one triangle is congruent to the corresponding side and angle of the other. You show that rigid motions can transform one triangle so that it matches up with the other. For the second pair of triangles, you show that rigid motions can transform one triangle so that each angle or side of one triangle matches exactly with a corresponding angle or side of the other triangle. What have you proved?

Answers

Options:

a) If corresponding pairs of sides and corresponding pairs of angles of two triangles are congruent, then the triangles can be matched up exactly using rigid motions.

b) If two triangles can be matched up exactly using rigid motions, then the corresponding pairs of sides and corresponding pairs of angles of the triangles are congruent.

c) Two triangles can be matched up exactly using rigid motions if and only if corresponding pairs of sides and corresponding pairs of angles are congruent.

d) If corresponding pairs of sides and corresponding pairs of angles of two triangles are not congruent, then the triangles are not congruent.

Answer:

c) Two triangles can be matched up exactly using rigid motions if and only if corresponding pairs of sides and corresponding pairs of angles are congruent.

Step-by-step explanation:

For both pairs of triangles, what you proved is how to use rigid motions (i.e. rigid transformations) to make congruent shapes.

When rigid transformation is applied to a shape, the image (i.e. result) of the  transformation produces an exact shape (i.e. equal corresponding angles and corresponding sides), meaning that the side lengths and the angles of the preimage (before transformation) and the image (after transformation) is unaltered.

Option (c) is true

Write an equation in point-slope form of the line that passes through the point(3,5) and has a slope of m=-1

Answers

The answer is y= -1x+8
Step-by-step explanation:
y=mx+b
m= -1
y-y=m(x-x1)
y-5=-1(x-3)
y-5=-1x+3
+5 +5
y=-1x+8
Other Questions
Is Game of Thrones based on history or hollywood? A car drove 5 miles in 30 minutes. How far will the car go in 1 hour? How does Juliet feel about Romeo's name in Romeo and Juliet? Support your answer with text evidence. 2Select the correct answer from each drop-down menu.Consider polynomial function f.f(x) = (1 - 1)?(1 + 3)3 (+ 1)Use the equation to complete each statement about this function.The zero located at x = 1 has a multiplicity of , and the zero located at x = -3 has a multiplicity ofThe graph of the function will touch, but not cross, the x-axis at an x-value ofResetNext Jaden told his friends that he is going to rehabilitation. What is MOST likely to happen to jaden?OAHe will leave a rehabilitation center after 30 days and go to jail.OB.He will be required to participate in an outdoor wilderness program.OC.He will not be allowed to return to school after he has finished.OD.He will receive psychological counseling to help him feel better. After eating at the restaurant, Sam, Jason, and Joan decided to divide the bill evenly. If each person paid x dollars, what was the total of the bill ? Which piece of evidence from the article MOSTappeals to the reader's sense of logic?AMany of you have seen teachers who read theslides on the screen word-for-word, which isdull and repetitive.B.In comparison, 38 percent of the impact comesfrom what you say and 7 percent from the texton each slide.CGreen, for instance, is commonly associatedwith the stoplight and the dollar bill, so you canuse the color to signify action or wealth.DKawasaki, for example, thinks that an idealPowerPoint presentation should last no longerthan 20 minutes. Divide 100 in the ratio of 2:3 pls helpppppp !!tysmmmm 1. A chain of mountainous islands *plateaupeninsulatundraarchipelago In the circus, a tiger has been trained to jump through a ring of fire that has a diameter of 6 feet. What is the ring's circumference? Can I get answer please 4th grade math helplolll Find x and y and thank you A dialogue about reminding homework There are 20 monkeys in a zoo. There are 4 times as many lions monkeys as lions. How many lions are there In Scene 9, Frederick attends a large anti-slavery meeting. When he is asked to speak in front of the crowd, he becomes nervous and doubts himself. What kind of conflict is this? Question 1 options: Man versus nature Man versus self Man versus man Man versus society What is the percent of change from 10 to 8? Un monlogo, Puede ser un cortometraje? The device shown below contains 2 kg of water. When the cylinder is allowed to fall 250 m, the temperature of the water increases by 1.4C. Suppose 2 kg of water are added to the container and the cylinder is allowed to fall 750 m. What would the increase in temperature be in this case? Gizmo image A. 0.7C B. 1.4C C. 2.1C D. 2.8C