PLZ HELP QUIK PLZ HELP PLZ

PLZ HELP QUIK PLZ HELP PLZ

Answers

Answer 1

Answer:

(x,y) = (-2,7)

Step-by-step explanation:

7x+2y=0

9x+4y=10

y = -9x/4 + 5/2

7x+2 (-9x/4 + 5/2) = 0

5x/2 = -5

5x = -10

x = -2

use x and substitute to get y

y = -(9/4) (-2) +5/2 = 7


Related Questions

In rugged terrain, Martin can hike 1/8 Mile in 1/2 hour. At this rate, how far can Martin hike in 1 hour?
A. 5/8 mile
B. 1/16 mile
C. 1/4 mile
D. 1/6 mile​

Answers

1/4 mile because if martin is able to walk 1/8 mile in half an hour then what you do is add 1/8+ 1/8 which gets 1/4 mph

A rectangular piece of fabric was used to make a banner. It measured 12 feet long and had an area of 24 square feet. What is its perimeter?

Answers

Answer:

the perimeter is 28

Step-by-step explanation:

2+2=4

12+12=24

24+4=28

Answer:

Perimeter = 28 feet

Step-by-step explanation:

The formula to find the area of a rectangle is Length * width and we already have one dimension here, so we simply plug it in and make an equation to the find the unknown measurement

12 * d = 24

d = 24/12

 d = 2

So the missing dimension is 2 feet

Now we simply find the perimeter of the rectangle  using the formula

   2 ( length + width)

 = 2 (12 + 2 )

           = 2 ( 14 )

           = 28 feet

 

Answer of this please BOTH!!

Answers

Answer:

1. True

2. 40.96

Step-by-step explanation:

Can provide if needed

Answer:

Question 4:True

Question 5: 40.96

Step-by-step explanation:

Question 4: 7.4 times 5.2 dived by 2.

Question 5: 6.4 x 6.4.

Please give me Brainliest (:.

Which features are correctly stated? There is more than one answer.

Answers

hope this helps-

y= (x+2)2-3

2. Hannah's pay varies directly to the number of hours she works. If she made $231 for 28 hours of work, identify the constant of variation and write an equation to represent the relationship.​

Answers

Answer:

Constant of variation: $8.25

Equation: y=8.25x

Step-by-step explanation:

231/28=8.25

Answer:8.25

Step-by-step explanation:

231/28

Oliver drove 278 miles in 4 hours how much hours does it take him to drive 139 miles

PLSSS HELP

Answers

Answer:

34.75 i think

Step-by-step explanation:

Answer:

[tex]\boxed {\boxed {\sf 2 \ hours}}[/tex]

Step-by-step explanation:

Let's set up a proportion to solve. Use the following setup:

[tex]\frac {hours}{miles}=\frac{hours}{miles}[/tex]

We know that it takes Oliver 4 hours to drive 278 miles.

[tex]\frac {4 \ hours}{278 \ miles}=\frac{hours}{miles}[/tex]

We don't know how long it takes him to drive 139 miles. Therefore, we use the variable x for hours, because it is unknown.

[tex]\frac {4 \ hours}{278 \ miles}=\frac{x \ hours}{139 \ miles}[/tex]

[tex]\frac {4 }{278 }=\frac{x \ hours}{139 }[/tex]

We are solving for x, the hours it takes him to drive 139 miles. The variable must be isolated. It is being divided by 139 and the inverse of division is multiplication. Multiply both sides of the equation by 139.

[tex]139*\frac {4 }{278 }=\frac{x \ hours}{139 }*139[/tex]

[tex]139*\frac {4 }{278 }={x }[/tex]

[tex]2=x[/tex]

It takes Oliver 2 hours to drive 139 miles.

Subtracting numbers is the same as adding it's opposite. Use this understanding to complete each of the equation below -5-(-7)=-5+
PLEASE ANSWER THIS IF YOU KNOW THE ANSWER
PLEASE GIVE ALL THE ANSWERS 65 POINTS

Answers

Answer:

the correct answer is 7

Step-by-step explanation:

-5-(-7) = -5 +

two minus is plus so it is

-5 + 7

the area of a rectangle is the same as the area of a square of side 12cm if the rectangle is 16cm long find its width​

Answers

Answer:

9

Step-by-step explanation:

first find the square's area by multiplying 12 × 12 to get 144

then divide 144 ÷ 16 to find the width which is 9

3x+3/2=x/2-6 maths chapter

Answers

Answer:

x=-3

Step-by-step explanation:

Answer:

-3

Step-by-step explanation:

3x+3/2=x/2-6

=6x+3/2=x-12/2

=2x-24=12x+6

=2x-12x=6+24

= -10x=30

= -3

1. -4(x + 3) = 8
+
= 8
+
= 8
=
X
X=

Answers

Hello! :)

1.-4(x+3)=8

-4(x+3)=8

(x+3)= -2

x=(-5)

☆GOOD LUCK!☆  

Select two answer choioces

Answers

Answer:

C or 3rd option

Step-by-step explanation:

1/3 - 2/5

15/15 - 6/15

9/15

B is not correct

2/5 - 1/3

this will be a negative answer

Please answer correctly! I will mark you as Brainliest!

Answers

Answer:

the height is 9.8 cm

Step-by-step explanation:

71.54 ÷ 7.3 = 9.8


What is the greatest value in the range of f(s) = x2 – 3for the domain (-3,0, 1, 2)?

Answers

Answer:

6

Step-by-step explanation:

f(s) = x^2 - 3

f(-3) = 6

f(0) = -3

f(1) = -2

f(2) = 1

hii please help i’ll give brainliest

Answers

Answer:

-12

Step-by-step explanation:

the opposite of 12 is -12

What is the area of the shaded region

36
9
52
27

Answers

Answer:

36

Step-by-step explanation:

Length x width = area (6 x 6 = 36). Hope this helps.

how do i answer questions like these

Answers

Answer:

Well like what? It could be anything, but what do you mean "like these"

Step-by-step explanation:

Which algebraic representation
should be used to find the
coordinates for Figure JKLM, the
reflection of Figure JKLM over
the y-axis?
A (x, y) = (x, y)
B (x, y) = (x,-)
C (x, y) (-, -y)
D (x, y) (-, y + 1)

Answers

The answer I think is D

Distributive Property to solve the equation. 5(x - 6) + 8 = 7x- 8 (Type the value of x.) ​

Answers

x = -7, have a good day !

Answer:

x=−7

Solving for X:

Step 1: Simplify both sides of your equation.

5x−22=7x−8

Step 2: Subtract 7x from both sides.

5x−22−7x=7x−8−7x

−2x−22=−8

Step 3: Add 22 to both sides.

−2x−22+22=−8+22

−2x=14

Step 4: Divide both sides by -2.

-2x/-2 = 14/-2

^ x = -7

THEREFORE:

x is −7

is negitive -2.5 greater than -3

Answers

Answer:

yes

Step-by-step explanation:

–2.5 is greater than –3, because –2.5 lies to the right of –3 on the number line.

prove that √p is an irrational number , if p is not a perfect square.​

Answers

[tex] \huge \frak \green{question}[/tex]

prove that √p is an irrational number , if p is not a perfect square.

[tex] \huge \frak \red{answer}[/tex]

Let us assume, to the contrary, that √p is rational. So, we can find coprime integers a and b(b ≠ 0) such that :-

=> p = a/b

=> √p b = a

=> pb² = a² ….(i) [Squaring both the sides]

=> a² is divisible by p

=> a is divisible by p So, we can write a = pc for some integer c.

Therefore,

a² = p²c² ….[Squaring both the sides]

=> pb² = p²c² ….[From (i)]

=> b² = pc²

=> b² is divisible by p

=> b is divisible by p

=> p divides both a and b.

=> a and b have at least p as a common factor.

But this contradicts the fact that a and b are coprime. This contradiction arises because we have assumed that p is rational. Therefore, p is irrational.

_____________________________________

[tex] \bold \green{i \: hope \: it \: is \: helpful}[/tex]

________________________________

There are 4 games at the carnival Kevin played all the games in 40 minutes how many minutes did he spend at each games if he spent an equal amount of time at each

Answers

10 idek 4 times 10 is 40 right?

A triangle has three angles that measure 50 degrees, 40 degrees and
2x. What is the value of x ?

Answers

Answer:

45 degrees

Step-by-step explanation:

since a triangle has angle that add up to 180.Take 50 add with 40 and then divide by 2

Please need help nowwwwww helpppppp

Answers

first: 1:2
second: 16:15
third: 1:3

I'm stuck on this question.

Answers

Answer:

Fred's total net worth is $61,900

Step-by-step explanation:

For net worth, add assets together and then subtract the liabilities from the total:

90,000 + 12,500 + 20,200

122,700 - (53,000 + 5,800 + 2,000)

61,900

Answer:

$61,900

Explanation:

Add all the assets: 90000 + 12500 + 20200 = 122700

Add all the liabilities: 53000 + 5800 + 2000 = 60800

Total assets - liabilities: 122700 - 60800 = $61900

Kenji deposited $10 in a savings account earning 10% interest, compounded annually.

To the nearest cent, how much will he have in 3 years?

Answers

0.3 so yea i guess....

Answer:

Step-by-step explanation: 380

please help hghjhghjjgfhjjjfhgfhbfhgkfgh

Answers

Answer:

Hello there! I would say the answer is C,

Step-by-step explanation:

I hope this helps!!!

C because there are 5 white marbles and 5x3=15 which is the number of black marbles.

need help pls , 30 points
NO LINKS !

Answers

The answer is b hope this helps

helppp plssssss (10 points)

Answers

4 + -6 = -2

Hope that helps? Sorry if it doesn’t...

Which statements are true about the components of a circle? Check all that apply.

Answers

Answer:

circles are measur by 360°.

circles are similar triangle.

circles are two radis.

circles are one diameter.

Answer:

1,3,4

Step-by-step explanation:

what angle does an arc 6.6cm on length subtends at the centre of a circle of radius 14cm? take
[tex]\pi = 22 \7[/tex]​

Answers

Given:

Arc length = 6.6 cm

Radius = 14 cm

To find:

The angle subtended by the arc at the center.

Solution:

The formula for arc length is:

[tex]s=2\pi r\dfrac{\theta}{360}[/tex]

Where, s is the arc length, r is the radius and [tex]\theta[/tex] is the central angle in degrees.

Putting [tex]s=6.6,\pi=\dfrac{22}{7},r=14[/tex],we get

[tex]6.6=2\times \dfrac{22}{7}\times 14\times \dfrac{\theta}{360}[/tex]

[tex]6.6=88\times \dfrac{\theta}{360}[/tex]

[tex]\dfrac{6.6}{88}\times 360=\theta[/tex]

[tex]27^\circ=\theta[/tex]

Therefore, the measure of the central angle is [tex]27^\circ[/tex].

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