Mathematics High School

Addition and Subtraction Property
what is x + 5 + 7

Answers

Answer 1

Answer:

the answer to the equation is x + 12

Step-by-step explanation:

x + 5 + 7 = x + 12

x + 12

Answer 2

Answer:

x+12 it think im not sure

Step-by-step explanation:

add 5 and 7 which get 12

Related Questions

3x −3 y −4 ⋅ 3x 3 y 3

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the answer to this question is
-
1
2

3

3
+
3

−
3

pleaseee helpp im giving a lot of points if corrected

Answers

Answer:

x = 38°

Step-by-step explanation:

Complementary angles = 90°

90° = x + x+14

90° = 2x + 14

104 = 2x

x = 52°

the next angle should be 52 - 14 = 38°

So x = 38°

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

What is the probability of picking a 5 and then picking a 4?

Answers

Was Lincoln’s election the whole reason that the South seceded (left) or was it simply the last event to happen before the South left?

Which linear equation has a slope greater -1 but less than 0?
1. 5x+4y=20
2. 4x+5y=20
3. 5x-4y=20
4. 4x-5y=20

Answers

Answer:

2. 4x + 5y = 20

Step-by-step explanation:

Determine the slope of each of the equations;

y = mx + c

where;

m is the slope

In each of the given equations, make y the subject of the formula

1. 5x + 4y = 20

4y = 20 - 5x

y = (20/4) - (5x/4)

y = 5 - 5x/4

m = -5/4

2. 4x + 5y = 20

5y = 20 - 4x

y = 4 - 4x/5

m = -4/5 = -0.8

3. 5x - 4y = 20

4y = 5x - 20

y = 5x/4 - 5

m = 5/4

4. 4x - 5y = 20

5y = 4x - 20

y = 4x/5 - 4

m = 4/5

The question says, which of the slope is greater than - 1 but less than 0

- 1 < m < 0

The only equation with slope greater than -1 but less than 0 is 4x + 5y = 20, with slope -4/5 = -0.8

Which pair of angles must be supplementary?

2 lines intersect to form right angles. Another line goes through the lines diagonally to form 6 angles. From top left, clockwise, the angles are 2 (90 degrees), 1, 6, 5 (90 degrees), 4, 3.
Angle 1 and Angle 6
Angle 2 and Angle 5
Angle 5 and Angle 4
Angle 6 and Angle 2

Answers

Answer:

It has to be Angle 1 and Angle 6

Step-by-step explanation:

Hope it helps :)

Answer:

a or 1st answer

Step-by-step explanation:

edge

The sides of a rectangle are in a ratio of 7 : 4. If the perimeter of the rectangle is 176 ft, what is the area of the rectangle? The area of the rectangle is

Answers

Answer:

1792

Step-by-step explanation:

The sides of the rectangle is 7 and 4

7x, 4x

2(7x+4x) = 176

14x + 8x= 176

22x= 176

Divide both sides by the coefficient if x which is 22

x= 176/22

x= 8

= 7(8)

= 56

= 4(8)

= 32

Area of the rectangle

= 56×32

= 1792

Use Inverse operations to solve the expression. Enter your answer in simplest form. y 1 =8 16

Answers

So we are trying to get the “y” alone, so to undo the division by -8, we will multiply both sides by -8, then simplify.

(-8) y/(-8) = (-8) 1/16

y = -8/16

and simplified:

y = -1/2

please help meeee. Pleaseeee

Answers

Answer:

in excact terms: 50.26548

to the nearest tenth: 50.3

Step-by-step explanation:

Answer:

Step-by-step explanation:

V = radius^2 x height x π = 4^2 x 1 x π = 16π in^3

16 x 3.14 = 50.26... = 50.3 in^3

Subtracting a negative is the same as....

Answers

Same as adding together

Answer:

The answer is ...adding a positive

Edward has a bag filled with green and purple M&Ms. He has a total of 36 M&Ms in the bag. There are 3 purple M&Ms for every 1 green M&M. If he randomly selects one M&M from the bag, what is the probability that it will be green?

Answers

Answer:

25% chance

Step-by-step explanation:

9 green ones in the bag. 9/36=0.25%

Solve the equation. Then check your solution.

StartFraction v Over 7 EndFraction = 3
a.
–21
c.
–4
b.
21
d.
10

Please select the best answer from the choices provided

A
B
C
D

Answers

C. 21

I hope this help

c.21 would be the answer BTW!

A concert venue sells 16% of its tickets as reserved seats an upcoming concert sells 8,000 tickets .how many tickets are reserved

Answers

Ur answer is 1280 tickets

Ken is thinking of a number. Nine more than the product of 4 & the number is 73. Find Ken's number.

Answers

Answer:

x = 16

Step-by-step explanation:

Let the unknown number be x.

Translating the word problem into an algebraic expression, we have;

4x + 9 = 73

4x = 73 - 9

4x = 64

x = 64/4

x = 16

Therefore, the unknown number is 16.

Orange juice is sold in cartons in three different size 350 ml selling price $4.20 450 ml selling price $5.35 500 ml selling price $5.80 which of the orange juice is most cost-effective buy?justify answer

Answers

Answer:

I think it is the $4.20 because if you do the math technically the 4.20 is less for more

Step-by-step explanation:

2x^2-5x-5=0PLEASE HELP BEEN WORKING ON THIS FOR HOURS PLEASE!!!!!!

Answers

Answer:

Ok do u want me to find x?

Step-by-step explanation:

If yes then x=3.27

PLs, help quickly please I will give brainliest

Answers

9514 1404 393

Answer:

outcomes (top to bottom): SS, SG, GS, GG

all probabilities are 0.25

Step-by-step explanation:

Each outcome is identified by the labels on the ends of the corresponding tree branch, in order left-to-right. The top one is SS, for example, and the next one down is SG. Continuing down the tree, the outcomes are GS and GG.

Each letter has a probability of 1/2, so any pair of letters will have a probability of (1/2)(1/2) = 1/4 = 0.25.

This method of identifying outcomes and their probabilities can ensure that you find all outcomes. The sum of probabilities should be 1.00 if the tree is properly constructed.

i need a job please help lol

Answers

Answer:

just say something inspiring and formal

how many times larger is the 3 in 3,612 as in 1,347

Answers

Answer:

2700

Step-by-step explanation:

3 in 3612 is thousands

3in 1347 is hundreds

3000 - 300

= 2700

Find the value of x please I need help

Answers

Answer:

Step-by-step explanation:

113+90+90+12x+7=360(sum of four angles is always 360 degree)

300+12x=360

12x=360-300

x=60/12

x=5

Answer:

X = 5

Step-by-step explanation:

Shapes with 4 sides have angles that add to 360 degrees

So you have two right angles and 113 degrees.

This is

90+90+113=293

360-293=67

12x5=60

60+7=67

This means that x=5

find the measure of angle G

Answers

Answer:

135 degrees

Step-by-step explanation:

It is as isosceles trapezoid, so the the base angles are congruent. The sum of the inner angles is 360 degrees

2(4x-7) + 2(11x -8) = 360

8x - 14 + 22x -16 = 360

30x = 390

x = 13

angle F = angle G

angle G = 11 * 13 - 8 = 135 degrees

Given triangle XYZ:
Angle X = 90°
Angle Y = 45°
Angle Z=

Answers

Answer:

Hello! answer: 45

Step-by-step explanation:

90 + 45 + 45 = 180 therefore z = 45 hope that helps!

Hi there!

»»————-　★　————-««

I believe your answer is:

45°

»»————-　★　————-««

Here’s why:

The three interior angles of a triangle will always have a sum of 180°.

⸻⸻⸻⸻

[tex]\boxed{\text{Finding the Missing Angle:}}\\\\\rightarrow90 + 45 + x = 180\\\\\rightarrow 135 + x = 180\\\\\rightarrow 135-135 + x = 180 - 135\\\\\rightarrow \boxed{x = 45}\\\\\text{Therefore:}\\\\\measuredangle Z = 45$^{\circ}$[/tex]

⸻⸻⸻⸻

»»————-　★　————-««

Hope this helps you. I apologize if it’s incorrect.

Please help again I suck at geometry

Answers

Answer:

Option (6)

Step-by-step explanation:

By applying sine rule the given triangle XYZ,

sin(X) = [tex]\frac{\text{Opposite side}}{\text{Hypotenuse}}[/tex]

Measure of opposite side (XY) = 12

Measure of Hypotenuse (XZ) = 37

By substituting these values in the given expression,

sin(X) = [tex]\frac{12}{37}[/tex]

Therefore, Option (6) will be the correct option

please help ive been struggling for a hour i will give a lot of points if corrected

Answers

Answer:

EFG = 104°

GFH = 76°

Step-by-step explanation:

The sum of a linear pair is always equal to 180°

So lets solve for the variable n

2n + 32 + 4n + 16 = 180

6n + 48 = 180

6n = 132

n = 22

So now we know N

EFG = 4n + 16

EFG = 88 + 16

EFG = 104°

GFH = 2n + 32°

GFH = 44 + 32

GFH = 76°

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

Caity is 50 inches tall. Caity's brother Michael is 5 inches taller than she is. What is Michael's height in feet and inches?

Answers

Answer:

55 inches = 4 feet 7 inches

Step-by-step explanation:

Because Michael is 5 inches taller so 50+5=55, then divided by 12 = 4 remainder 7. So that means Michael is 55 inches tall, or 4 feet and 7 inches

here is the more clearer picture!!!!

Answers

Answer:

angle FDA = 75 degrees

angle JAI = 75 degrees

Step-by-step explanation:

In ΔDCE,

angle D + angle C + angle E = 180......(sum of the interior angles of a triangle is always 180 degrees)

angle D + 80 + 25 = 180

angle D + 105 = 180

angle D = 180 - 105

angle D (I. e angle CDE ) = 75 degrees

Now, angle CDE and angle FDA are vertically opposite angles, so,

angle CDE = angle FDA..... (vertically opposite angles are congruent to each other)

therefore, angle FDA = 75 degrees

Now, angle CDE and angle BAD are corresponding angles, so,

angle CDE = angle BAD...... ( corresponding angles are congruent to each other)

angle BAD = 75 degrees

Now, angle BAD and angle JAI are vertically opposite angles, so,

angle BAD = angle JAI..... (vertically opposite angles are congruent to each other)

therefore, angle JAI = 75 degrees

This track is made of a rectangle and two semicircles.
Find the perimeter of its outer edge, outlined in bold.

Answers

Answer:

the perimeter of thr outer breath is 34

I’m giving brainlest pls help meeee

Answers

x - 8y = - 80

You move the expression to the left, multiply both sides, reorder the terms, and change the signs.

X-8y = -80 You move the expression to the left multiply both sides re-order the terms and change the signs

which list of numbers is ordered from least to greatest help pls

Answers

Answer: B

Step-by-step explanation:

If you change them all to decimals.

4.8% = .048

1/20 = .05

4.1 x [tex]10^{-1}[/tex] = .41

[tex]\sqrt{4}[/tex] = 2

So, that would be least to greatest.

What number has a value less than 14.7?

Answers

Answer:

Anything below 14.7

Step-by-step explanation:

can someone help me with this question? will give thanks!

Answers

Answer:

B. 63

Step-by-step explanation:

There are two similar triangles given in the diagram above. Since they area similar, they also have corresponding side lengths that are proportional.

Therefore:

(6 + 3)/3 = x/21

9/3 = x/21

3 = x/21

Cross multiply

21*3 = x

63 = x

x = 63

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Addition and Subtraction Property what is x + 5 + 7

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Addition and Subtraction Property
what is x + 5 + 7