Definition: Ifa = b. then a - c= b - c. This is the what property of equality

Answers

Answer 1

Answer:

Subtraction property

Step-by-step explanation:


Related Questions

what does “ z “ equal in this equation z + 18 = 26

Answers

Answer:8

Step-by-step explanation:

Answer:

z = 8

Step-by-step explanation:

you have to work it backwards. 26-18=8

(√5+√17i)(√5-√17i)=? (give answer in standard a+bi form)

Answers

Answer:

22

Step-by-step explanation:

Given

([tex]\sqrt{5}[/tex] + [tex]\sqrt{17}[/tex] i )([tex]\sqrt{5}[/tex] - [tex]\sqrt{17}[/tex] i ) ← expand factors using FOIL

= ([tex]\sqrt{5}[/tex] )² - ([tex]\sqrt{17}[/tex] )² i² ← i² = - 1

= 5 - 17(- 1)

= 5 + 17

= 22  

Please help. I dont know how to do this

Answers

Answer:

y=3x+3

Step-by-step explanation:

3 is the slope, up 3 and right 1

3 is the y intercept

Mr. Ortiz competed in a local aquathlon, which is a swimming and running race. The total distance of the race was 7.13 miles. If the running event was 6.2 miles, what was the distance of the swimming event? SOMEONE PLS HELP MEEEE I AM ON A QUIZ !!! AND I AM FAILING MATHHH!!

Answers

Answer:

subtract 7.13 and 6.2 and you will get your answer

Step-by-step explanation:

Im doing the assignment on Edgenuity

and i passed hope this helps:)

Answer: You have to subtract 7.13 and 6.2 and you will get your answer of 0.93.

Step-by-step explanation:

Evaluate 3^2 + (8 - 2) x 4 - 6/3

Answers

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

=9 + 24 - 2

=33 - 2

=31

Answer:  31

("x" = * right? not x)

Step-by-step explanation:

[tex]3^{2}[/tex]+(8-2) * 4 - [tex]\frac{6}{3}[/tex]

= 9+6 * 4 - 6/3

= 9+24 - 6/3

= 9+24-2

= 31

help please with this question

Answers

Answer:

b. x - 2y = 4

Step-by-step explanation:

The two points on the graph are (0, -2) and (4, 0).

Find slope:

m = (y₂ - y₁) / (x₂ - x₁)

  = (0 - (-2)) / (4 - 0)

  = 2 / 4

  = 1 / 2

Find y intercept using anyone of the points above:

y = mx + b

-2 = 1/2(0) + b

b = -2

Use m and b to make equation of line:

y = mx + b

y = 1/2x - 2

Possible answers:

a. 4x - 2y = 4

         -2y = -4x + 4

             y = 2x - 2

b. x - 2y = 4

       -2y = -x + 4

           y = 1/2x - 2

c. -2x + 4y = -4

            4y = + 2x - 4

              y = 1/2x - 1

Only choice b equals the equation of line above.

A popular board game manufacturer was interested in the relationship between the amount of time it takes to play a game and how well that game is rated among board game players. Information was collected on several board games, and was used to obtain the regression equation y = 27.273x + 18.182, where x represents time it takes to play (in hours) and y is the predicted rating of that game (in points). What is the predicted rating of a game that takes 90 minutes to play?

18.182 points
59.0915 points
90 points
2,472.752 points

Answers

Answer:

B- 59.015

Step-by-step explanation:

Answer:

The answer is B. I don't know why everyone downvoted the first answer. So here's some fancy work so you know its right.

90 minutes/1 hour = 1.5 hours [one hour = 60 minutes]

(you can only put hours in for x)

27.273(1.5) + 18.182 = 59.0915 (B)

==================

if you're looking for the question "What is the predicted rating of a game that takes 1 hour to play?" the answer is (C), 45.455 points".

[this is a separate question that is similar]

==================

ED2021

Complete the sentence.
A regular pentagon and a regular hexagon can intersect in
a line
a ray
a line segment
a rectangle
Submit

Answers

Answer:

A line segment

Step-by-step explanation:

Find the simple interest earned. $5,000 invested at 4% for 3 years. pls

Answers

Answer:

I don't get what your asking us to do

Step-by-step explanation:

i need help with this geometry

Answers

Answer:

c

Step-by-step explanation:

use point slope form y-y1 = m(x-x1)

m = -1/2 because that would be perpendicular

then you plug in the numbers y-6= -1/2(x-4)

then solve for y so i will be in y=mx+b

Rembrandt framed his masterpiece. The painting by itself is a rectangle with length 20 \text{ cm}20 cm 20, start text, space, c, m, end text and width 16 \text{ cm}16 cm 16, start text, space, c, m, end text. The painting and frame together form a larger rectangle with length 25 \text{ cm}25 cm 25, start text, space, c, m, end text and width 20 \text{ cm}20 cm 20, start text, space, c, m, end text. Find the area of the frame.

Answers

Answer:

180cm²

Step-by-step explanation:

Area of the frame = area of the frame+ painting - area of painting.

Area of a rectangle = Length × Width

Area of the painting = 20cm×16cm

Area of the painting = 320cm²

Area of the paint+ frame = 25cm×20cm

Area of the paint+ frame = 500cm²

Area of the frame = 500cm²-320cm²

Area of the frame = 180cm²

Hence the area of the frame is 180cm²

Which of the following is a rational number?

Answers

Answer:

A, B, D are the answers

Step-by-step explanation:

What is the missing statement for step 5?
m2 SQV = m_SQT
Om SQV + m2VQT = 180°
Om SQV + m2SQT = m_VQT
m

Answers

Answer:

m∠SQV + m∠VQT = 180°

Step-by-step explanation:

right on test.

Convert 10 quarts (qt) to cubic feet (ft^3)

Answers

Answer:

10 US liquid quarts is 0.334201 cubic feet.          

Please answer 10 point + brainlyest = 1 big thank u

Answers

Step-by-step explanation:

FIRST, we want to understand every property:

Associative Property: The associative property states that you can add or multiply regardless of how the numbers are grouped so (5 + 4) + 3 = 5 + (4 + 3)

Commutative Property: Commutative is the one that refers to moving stuff around so 3 + 2 = 2 + 3

Additive Inverse Property: This is the number that when added to the original number, equals 0 or it's the opposite of the number so 5 <- is the original number and -5 <- is the additive inverse.

Simplify: Is just to add like terms, and make the equation the simplest.

1. ORIGINAL EXPRESSION

2. Additive Inverse Property

3. Commutative property

4. Associative Property

5. Simplify

6. Simplify

Which graph is the linear function that has a slope of 1/3 and contains the point (- 2, - 4) ?

Answers

Answer:

Option 1 (The last one, bottom right)

Step-by-step explanation:

If you start at the origin and go 2 to the left and 4 down, you will reach a point. We can test the slope by using rise over run from one point to another. It goes up 1 and three across which is true in this case.

28 point and branliest
Alan purchased 16 shares of company stock for $390.40. A month later, the total value of his shares fell to $291.20. What is the current price per share if each share costs the same?
A.
$6.20
B.
$18.20
C.
$24.04
D.
$24.40

Answers

Answer: $18.20

Step-by-step explanation:

390.40/16 to find the initial costs of the shares. That would be $24.40 per share. However, since the stock has fallen, you would do that same division, but with the new value. 291.20/16, which is $18.20

Answer:

$18.20 per share is the value of each stock currently

Step-by-step explanation:

Take the value the stocks are worth now and divide by the number of shares

291.20/16

$18.20 per share

$18.20 per share is the value of each stock currently

April's flower bed has a length of 5 feet and a width of twelve twelves feet. Which of the following is true?

A. The area of the flower bed is equal to 12 square feet.
B. The area of the flower bed is larger than 12 square feet.
C.The area of the flower bed is equal to 5 square feet.
D. The area of the flower bed is smaller than 5 square feet.

Answers

Answer:

B

Step-by-step explanation:

12 times 5 = 60

12<60

The Quadratic when written in factored form is (x-3)(x+9)=0. What are the roots?
3 and 9
-3 and 9
3 and -9
-3 and -9

Answers

Set both equal to 0
(x-3) = 0
x = 3
(x+9) = 0
x = -9
So 3 and -9

A bag of snack mix weighs 12 ounces. A serving size is 3/4
ounce. Each serving has 120 calories.

Answers

Answer:

16 servings and 1920 calories in  1 snack bag

Step-by-step explanation:

12 ounces divided by 3/4 = 16 servings

120 calories/servings x 16 servings = 1920 calories in 1 snack bag

A football team gains 7 yards in the first down then gains 2 yards in the second down. Then loses 4 yards in the third yard. What is the net yardage?

Answers

Answer: 5

Step-by-step explanation:

First we should do the first step: 7+2=9, The they lose 4 which then 9-4

which would equal 5

Answer:

7+2-4=?

7+2=9-4=5

Final Answer: 5 Yards

Which equation justifies why 9 1/3 = 3 square root of 9?

Answers

Answer: answer is A

Step-by-step explanation:

Given that ∠A≅∠B, Gavin conjectured that ∠A and ∠B are complementary angles.

Which statement is a counterexample to Gavin 's conjecture?


m∠A=10° and m∠B=15°

m∠A=45° and m∠B=45°

m∠A=30° and m∠B=60°

m∠A=25° and m∠B=25°

Answers

45 and 45 because they are equal and add up to 90 degrees

2-86. Simplify the expression
a. 5x + 4 - 2x +3 - 2x
b. 17m-2-9m + 7 -2m
c. 2xy - 2yz + 7x2 + 6xy - 2xz

Answers

Are those answer options or are they what you need simplified? What is the "2-86"?

The sum of two numbers is no more than 28. Let x represent the first number, and let y represent the second number. Which inequality represents this situation?

A) y
B) y<_x+28

C) x+y <28

D) x+y<_28

Answers

Answer:

x+y < 28

Step-by-step explanation:

1. Look at your variables: x is the first number and y is the second.

2. Know the limits: It says it has to be NO MORE than 28, so the inequality has to be less than (<) 28. And it says that the SUM of 2 numbers (in this case x and y), is no more than 28, so you know there's some addition between the two.

3. Write out your inequality: x+y < 28

Lisa runs between 5 and 7 miles per day. It takes Lisa 10 minutes to run one mile. What is a reasonable amount of time that Lisa
spends running every day?

Answers

Answer:

50-70 minutes

Step-by-step explanation:

Find the vertex and vertex form of
the following:
f(x) = x^2 - 8x+9

Answers

Answer:

(4,-7)

Step-by-step explanation:

Rewrite in vertex form and use this form to find the vertex  ( h,k ) .

What evidence is there that a chemical reaction is taking place in the cold pack?
A)
change in odor
B)
change in color
0)
formation of gas
D)
temperature change

Answers

The correct answer would be D
D.) temperature change

DUDE IM GETTING MAD BECAUSE I KEEP FORGETTING THE IMAGE AND OMG PLEASE ANSWER IM BEGGING PLS

Answers

Let

x = number of tickets

y = cost

For each row, divide the cost over the number of tickets

Row one:  y/x = 3/2 = 1.5

Row two: y/x = 6/4 = 1.5

Row three: y/x = 9/6 = 1.5

Row four: y/x = 12/8 = 1.5

Row five: y/x = 15/10 = 1.5

The constant of proportionality is 1.5

This means each ticket costs $1.50

Kyla alternates between walking and jogging on an 11-mile trail. Her walking speed is 4 mi/h, and her jogging speed is 6 mi/h. Kyla takes 2 hours to go from the beginning to the end of the trail. Write and solve an equation to find the distance Kyla walked and the distance she jogged.

Answers

Answer:

Kyla walked 2 miles and jogged 9 miles

Step-by-step explanation:

Let the distance Kyla walked be x

and the distance Kyla jogged be y

Since the trail is 11-mile long, then

x + y = 11

Now, from the question,

Her walking speed is 4 mi/h and her jogging speed is 6 mi/h

Let the time spent to walk be t₁ and the time spent to jog be t₂

From

Distance = Speed × Time

Then, the distance walked x is

x = 4 mi/h × t₁

and the distance jogged y is

y = 6 mi/h × t₂

From the question, Kyla takes 2 hours to go from the beginning to the end of the trail, that is

t₁ + t₂ = 2 hours

∴t₁ = 2 - t₂

Since

x + y = 11, then we can write that

(4 mi/h × t₁) + (6 mi/h × t₂) = 11

But t₁ = 2 - t₂

Then,

(4 mi/h × t₁) + (6 mi/h × t₂) = 11; becomes

(4 mi/h × (2 - t₂)) + (6 mi/h × t₂) = 11

8 - 4t₂ + 6t₂ = 11

2t₂ = 11 - 8

2t₂ = 3

t₂ = 3/2

t₂ = 1.5 hours

This is the time spent to jog

Then, from t₁ = 2 - t₂

t₁ = 2 - 1.5

t₁ = 0.5 hour

This is the time spent to walk

Now, For the distance Kyla walked, x

x = 4 mi/h × t₁

x = 4 mi/h × 0.5

x = 2 miles

Hence, she walked 2 miles

and for the distance Kyla jogged, y

y = 6 mi/h × t₂

y = 6 mi/h × 1.5

y = 9 miles

Hence, she jogged 9 miles

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