2x+y=5
x - y = 4

Please answer this wuestion​

Answers

Answer 1

Answer:

x=9

y=5

Step-by-step explanation:

Answer 2
X = 3

Y = -1

This is because
2 * 3 + - 1 = 2 * 3 - 1 = 5
3 - - 1 = 3 + 1 = 4

Related Questions

Can someone help me with this homework?

Answers

Answer: (-4, -1)

Step-by-step explanation:

Starting at point (-4, -2) and translating 3 units up means we add 3 to -2.

So the new point is now (-4, 1).

Now we reflect over the x-axis which means the y-value of 1 becomes negative.

So the final point is (-4, -1)

Answer:

(-4,-1)

Step-by-step explanation:

when you translate it by 3 units up, it becomes (-4,-1). and when you reflect over the x axis, it becomes (-4,-1)

five more than the quotient of a number x and six

Answers

Answer:[tex]\frac{x}{6}[/tex] + 5

Step-by-step explanation:

Answer:

x/6 + 5.

Step-by-step explanation:

The quotient of x and 5 is x/6.

Adding 5 we get:

x/6 + 5.

ttthhee maatthhhpleeaasss

Answers

Take the area of the bedroom (including the windows) and subtract the windows area.
The answer would be:

35-4= 31 square feet

Hope this helped

Triangles R S T and V U T are connected at point T. Angles R S T and V U T are right angles. The length of side R S is 12 and the length of side S T is 16. The length of side T U is 8 and the length of U V is 6. Which statements can be concluded from the diagram and used to prove that the triangles are similar by the SAS similarity theorem? StartFraction R S Over V U EndFraction = StartFraction S T Over U T EndFraction and angle S is-congruent-to angle U StartFraction R S Over V U EndFraction = StartFraction S T Over U T EndFraction = StartFraction R T Over V T EndFraction StartFraction R S Over V U EndFraction = StartFraction T U Over T S EndFraction and angle S is-congruent-to angle U StartFraction R S Over V U EndFraction = StartFraction T U Over T S EndFraction = StartFraction R T Over V T EndFraction

Answers

Answer:

  [tex]\dfrac{\overline{RS}}{\overline{VU}}=\dfrac{\overline{ST}}{\overline{UT}}\quad\text{and}\quad\angle S\cong\angle U[/tex]

Step-by-step explanation:

To use the SAS similarity theorem, you must show proportionality between corresponding sides, and congruence of the angle between them.

The answer shown above is the only answer choice that mentions an angle.

__

Comment on other choices

Choice B shows the three sides are proportional, so would be useful if the SSS similarity theorem were to be invoked. It isn't helpful for the using the SAS similarity theorem.

Choices C and D get the proportion statements wrong.

Answer:

RS/VU=ST/UT and Angle S congruent Angle U

please help me!!!! (i only need question 1)

Answers

Answer:

28

Step-by-step explanation:

So I just figured out by counting. The top has 8, which means the bottom also has 8. The sides are 3, 2, 1, 1, 2, 3

The total is 8 + 8 + 3 + 2 + 1 + 1 + 2 + 3 =  28

8 square units , For surface units wouldn’t you just count all the boxes on the top

Determine the nature of the roots: 2x2 + 8x + 3 = 0

Answers

Answer:

the nature of the roots of an equation is real, distinct and irrational

Step-by-step explanation:

Given Data provided in the question according to the question is as follows:

[tex]2x^2 + 8x + 3 = 0[/tex]

where

a = 2  ,  b = 8 , c = 3

As we know that

Quadratic expression

[tex]ax^2 + bx +c = 0[/tex]

Delta = [tex]b^2 - 4ac[/tex]

[tex]= (8)^2 - 4 (2) (3)[/tex]

= 64 - 24

= 40

Here,

Delta > 0, it does not contain perfect square

Therefore the nature of the roots of an equation is real, distinct and irrational

What answer is equivalent to -4(b + 2) - 36?

Answers

Answer:

− 4 b − 44

Step-by-step explanation:

Answer:

-4(b + 11)

Step-by-step explanation:

-4(b + 2) - 36    (multiply -4 into parentheses via distributive property)

= b(-4) + 2(-4) - 36

= -4b -8 - 36

= -4b - 44    (this could be an answer, but we can still simplify further by factoring out -4)

= -4(b + 11)

Order these fractions from least to greatest 7/8 4/6 3/4

Answers

Answer:

4/6 , 3/4, 7/8

Step-by-step explanation:

7/8 4/6 3/4

The common denominator is 24

7/8*3/3 = 21/24

4/6* 4/4 = 16/24

3/4 * 6/6 = 18/24

From smallest to largest

16/24, 18/24, 21/24

4/6 , 3/4, 7/8

The perimeter of a figure is the total length of all of its sides.

False

True

Only answer if you know it’s a quiz

Answers

Answer:

True.

Step-by-step explanation:

That is exactly what a perimeter is. Hope this helps

Write the coordinates of the image of Q(-3,-6) reflected in the line y=x

HELP PLEASE I RLY NEED HELP URGENT

Answers

Answer: (-6, -3)

Step-by-step explanation:

We have the point (-3, -6)

And we want to do a reflection over the line y = x.

When we do a reflection of the point (x, y) over the line y = x. the reflected point will be (y, x)

So if our original point is (-3, -6) then the reflected point is (-6, -3)

(2n + 4) + 6 = –9 + 4(2n + 1)

Answers

Answer:

n=2.5

Step-by-step explanation:

(2n+4)+6=-9+4(2n+1)

Expand parentheses:

2n+10=-9+8n+4

Combine like terms:

15=6n

Divide both sides by 6:

n=2.5

Hope this helps!

n = 2.5

2n + 10 = -9 + 8n + 4
2n + 10 = -5 + 8n
15 = 6n
n = 15/6

question is attached

Answers

Answer:

7 and -5

Step-by-step explanation:

1. Factor: (x-7)(x+5)

2. Set both to zero and solve

What is the factors of 27

Answers

Answer:

1, 27, 3, 9,

Step-by-step explanation:

To find the factors of 27 you need to find which whole number times another whole number = 27

We know that 1*27 = 27

We also know that 3*9 = 27

The factors are all the numbers that are used in the multiplication.

In this example the numbers are: 1, 3, 9 and 27

Answer:

1,9,3,27

Step-by-step explanation:

if we break it down we can see:

1x27=27

9x3=27

Evaluate:
a = -3, b = 1, and c= -4
-21 - C
Type the correct answer, then press Enter.
Ar

Answers

Answer:the answer is -17

Step-by-step explanation:

Consider the line x-4y= -5.
Find the equation of the line that is parallel to this line and passes through the point (-7, -6).
Find the equation of the line that is perpendicular to this line and passes through the point (-7, -6).​

Answers

Answer:

1)     x-4y-22=-5

2)    y=-4x-34

Step-by-step explanation:

Jordan has some music books. He will buy 9 new music books each year. He will have 52 music books in 5 years. Rate of change per year = ____ Initial value = _____

Answers

Okay the answer is I have no clue

The box plot represents the number of minutes customers spend on hold when calling a company. A number line goes from 0 to 10. The whiskers range from 2 to 8, and the box ranges from 3 to 6. A line divides the box at 5. What is the upper quartile of the data?

Answers

Answer:

6

Step-by-step explanation:

The upper quartile (also known as Q3) is the right most side of the BOX (where the box ends). In the question, it says the box is from 3 to 6 meaning that the box ends at 6.

I hope this helps!

Answer:

6

Step-by-step explanation:

The upper quartile is 6 because the box ends at 6 and that is the upper quartile which is sometimes also known as Q3

A plane is descending onto the runway with an angle of depression of 55°. If it has 2.8 miles to go before landing (hypotenuse), what is the current altitude of the plane?

A. 4.9 miles
B. 3.4 miles
C. 4 miles
D. 1.6 miles
E. 2.3 miles

Answers

Answer:

Option C is correct

Step-by-step explanation:

Given: A plane is descending onto the runway with an angle of depression of 55°. Also, it has 2.8 miles to go before landing.

To find: current altitude of the plane

Solution:

Consider the attached image.

In ΔABC,

[tex]\angle ACB=55^{\circ}[/tex] (Alternate interior angles)

For any angle [tex]\theta[/tex],

[tex]tan \theta[/tex] = side opposite to angle/side adjacent to angle

[tex]\tan C=\frac{AB}{BC}[/tex]

Put [tex]\angle C=55^{\circ}\,,\,BC=2.8\,\,miles[/tex]

[tex]AB=2.8\,\tan 55^{\circ}=3.999\approx 4\,\,miles[/tex]

So, the current altitude of the plane is 4 miles.

Please answer correctly !!!!!!!! Will mark brainliest !!!!!!!!!!!!

Answers

Answer:

x^2+6x+8

Step-by-step explanation:

x x x=x^2

x x2= 2x

4 x x=4x

4 x 2= 8

x^2+2x+4x+8

x^2+6x+8

Logan is reading about architecture and learns that trusses can be used to support roofs. He wants to find the measures of the angles on a truss. truss.

Answers

Answer:

It could help Logan to first study the constitution and shape of this type of armor in order to make a mental image of the positions of the angles as well as the size.

Step-by-step explanation:

A previous study allows Logan to understand that these types of trusses have a triangular shape and are widely used in the construction of roofs, therefore Logan could use to draw this type of trusses.

If 15/50 = x/100, then x=

Answers

Answer:

30

Step-by-step explanation:

If 15/50 = x/100,

then 50x=1500,

and x-30

:-)

Please answer correctly !!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!

Answers

Answer:

first box: -14[tex](x+7)^2-49=0\\(x+7)^2=49\\(x+7)=\sqrt{49} \\(x+7)=+/-7\\x=-7+/-7\\x=-7+7\,\,and\,\,-7-7\\x=0\,\,and\,\,-14[/tex]

second box: zero

Step-by-step explanation:

Find the surface area of the cylinder. Round to the nearest tenths.

Answers

Answer:

The surface area of the cylinder is 251.2cm²

Step-by-step explanation:

To solve this problem we have to calculate the circle area and the lateral area

radius = half of diameter

r = 10/2 = 5cm

To calculate the area of ​​the circle we use the following formula

a = area

r = radius = 5cm

π = 3.14

a = π * r²

we replace with the known values

a = 3.14 * (5cm)²

a = 3.14 * 25cm²

a = 78.5cm²

The area of the circle is 78.5cm²

To calculate the lateral area of ​​the cylinder we use the following formula

a = area  =

h = heighti = 3cm

r = radius = 5cm

π = 3.14

a = 2 * π * r * h

we replace with the known values

a = 2 * 3.14 * 5cm * 3cm

a = 6.28 * 15cm²

a = 94.2cm²

The lateral area of ​​the cylinder is 94.2cm²

Now we add the lateral area of ​​the cylinder with 2 times the area of ​​the circle and obtain the area of ​​the cylinder

94.2cm²  + (2 * 78.5cm²) = 251.2cm²

The surface area of the cylinder is 251.2cm²

write the formula of loss where cost price(CP) and
selling price(SP) are given​

Answers

Answer:

CP - SP = LOSS when CP is more than SP

plz help
solve for q

Answers

Answer: -3

Step-by-step explanation:

-3^2=-3*-3=-9

Because the square of q is equal to -9, the square root of -9 is equal to q.

Because of this fact, we can find the square root of -9 to get our answer.

[tex]\sqrt{-9}[/tex] = 3 i.

Therefore, q is equal to 3 i or [tex]\sqrt{-9}[/tex].

Hope this helped! :)

Berto has $12 and 3.75 per gallon how much gas can he get

Answers

Berro can get 3 gallons of gas

Answer:

(3.2, 12)

Step-by-step explanation:

Total cost for gas = $12

Cost per gallon = $3.75

Letting total cost of gas be y and number of gallons be x, maximum number of gallons of gas he can buy would be ;

Total cost of gas/ cost per gallon = 12 / 3.75 = 3.2 gallons

Therefore , the coordinate pair (x, y) = (3.2, 12)

Write the simplest form of the expression (64/729)^(−1/6)

Answers

Answer:

3/2

Step-by-step explanation:

(64/729)^(−1/6)=(2^6/3^6)^(-1/6)=(2/3)^-1=3/2

Solve 18>12+x. Graph the solution.

The solution is ?








































Answers

Answer:

x < 6.

Step-by-step explanation:

18 > 12+x

18 - 12 > x

x < 6.

The graph  will be a vertical dotted line passing through the point (6, 0) and shaded to the left.

What is the sum? 8 + (negative 12)

Answers

Answer:

your answer is -4!

Step-by-step explanation:

plz mark me brainliest

Answer: -4

Explanation: there are two unlike signs, so this equations turns into a subtraction equation. Subtract the smaller number from the bigger number (12-8) and your answer will be 4. Finally keep the sign of the larger number, which is a negative sign, and your final answer will be -4.

Please mark as brainliest!

Find the volume of the cylinder Either enter an exact answer in terms of Pi or use 3.14 or Pi

Answers

Answer:

[tex]Volume = 54\,\pi[/tex]

Step-by-step explanation:

Recall the formula for the volume of a cylinder:

[tex]Volume=\pi \,R^2\,H[/tex]

where R is the radius of the cylinder's base, and H is the cylinder's height.

Therefore, in our case the volume becomes:

[tex]Volume=\pi \,R^2\,H\\Volume=\pi \,3^2\,*\,6\\Volume = 54\,\pi[/tex]

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