8th grade math, please help.

8th Grade Math, Please Help.

Answers

Answer 1

Answer:

The x = 102

Step-by-step explanation:

The whole angle is 180 so you have to do 180-78 to get the other angle .

Answer 2

Answer:

x = 102

Step-by-step explanation:

x + 78 = 180 {linear Pair}

      x = 180 - 78

     x = 102


Related Questions

Pls help me with my work ( ◠‿◠ )

Answers

Answer:

yes you may use the answer will be 100% correct

which expressions are equivalent to 2 to the 6th power choose all that apply. please help

Answers

Answer:

2 * 2 * 2 * 2 * 2 * 2

4 * 16

8 * 8

Step-by-step explanation:

Power is the result of multiplying two numbers together. The correct option is 2×2×2×2×2×2, 4×16, and 8×8.

What is power?

Power is the result of multiplying two numbers together. Power is typically expressed by a base number and an exponent. The base number indicates the number being multiplied. The exponent, which is a little number printed above and to the right of the base number, indicates the number of times the base number is multiplied.

The given expression can be written as,

2⁶ = 2 × 2 × 2 × 2 × 2 × 2

   = 4 × 16

   = 8 × 8

Hence, the correct option are 2×2×2×2×2×2, 4×16, and 8×8.

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Solve the following equation for x.
10x – 18 = 32

Answers

10x - 18 = 32

10x = 32 + 18

10x = 50

x = 50 ÷10

x = 5

option C

Help me plsss!!!!!!

Answers

Answer:choice b

Step-by-step explanation:

What is the value of n^-4 w^0 for n=-2 and w=5?

Answers

Answer:

1/16

Step-by-step explanation:

-2^-4 = 1/(-2)^4

5^0 = 1

1/(-2)^4 = 1/16

Question 5
Which statement is true about figure DEF?
DEF is a scalene triangle.
ya
4
E
DEEF
2
D
-8
-6
0
2
-2
DF DE
E
DF = EF

Answers

The correct equation for the triangle is,

⇒ DF ≅ FD

What is mean by Triangle?

A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.

Given that;

By the figure, the coordinate of triangles are,

D = (- 5, 1)

E = (- 2, 3)

F = (- 3, - 2)

Hence, By using distance formula;

DE = √ (- 5 + 2)² + (1 - 3)²

     = √9 + 4

     = √13

EF = √ (- 2 + 3)² + (3 + 2)²

     = √1 + 25

     = √26

FD = √ (- 5 + 3)² + (1 + 2)²

     = √4 + 9

     = √13

Thus, We have;

⇒ DF ≅ FD

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PLEASEEE HELPPP MEE

Answers

Step-by-step explanation:

Its the number two. 903 in to the power of 3

use the distance formula to find the distance between these two points (-8,-2) and (6,-1)

Answers

the distance between two points are 14

Evaluate the function h(t)= t2 - 8t+12 at t=0. Then plot the point on the graph.

Answers

Answer: boi

Step-by-step explanation:

PLEASE HELP URGENTT
Lamar goes shopping for a new flat-panel television. A television is usually described by the length of the
screen’s diagonal. He finds a great deal on a 42-inch display model.
a. If the screen’s height is 21 inches, what is the width of the screen?
b. The border around the screen is 2 inches. What are the dimensions of the television, including
the border?

Answers

Answer:

Step-by-step explanation:

d^2=h^2+w^2

a)

w^2=42^2-h^2, h=21

w^2=1764-441

w^2=1323

w=36.373

b)

36.373+2(2) by 21+2(2)

w=40.373, h=25

Which net represents this solid figure?

Answers

Answer:

The 3rd one

Step-by-step explanation:

Answer:

The second net.

Step-by-step explanation:

Ashleigh wants to double her money. She put $5,000 in a bank account that pays 4% compounded continuously. How long will it take her to double her money? (Round to

Answers

Answer:

approximately 17.3 years

Step-by-step explanation:

Compound interest is the interest we earned on the interest.

The formula for the amount earned with compound interest after n years is given as:

A = P [tex](1 + r/n)^{nt}[/tex]

The formula used to find continuously compounded is:

t = log (A/P) / r

The time it will take to double her money is 17.329 years.

What is compound interest?

It is the interest we earned on the interest.

The formula for the amount earned with compound interest after n years is given as:

A = P [tex](1 + r/n)^{nt}[/tex]

P = principal

R = rate

t = time in years

n = number of times compounded in a year.

We have,

P = $5,000

r = 4%

Amount = 2 x 5000 = $10,000

n = infinite number of times.

Now,

Solve the equation for t

The formula used to find for continuously compounded is:

t = log (A/P) / r

t = log (10,000.00/5,000.00) / 0.04

t = 17.329 years

Thus,

The time it will take to double her money is 17.329 years.

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The area of the parallelogram below is 75 cm? What is the
length of b?

Answers

Answer:

The answer is 15

Step-by-step explanation:

See, if you divide 75 by 5 you get 15.

HOPE THIS HELPED!!

Sarah has some chocolates.
24 are white chocolate.
16 are milk chocolate.
8 are dark chocolate.
(a) Write down the ratio of white chocolate to milk chocolate to dark chocolate.
Give your ratio in its simplest form.​

Answers

Answer:

3:2:1

Step-by-step explanation:

24 divided by 8 is 3, 16 divided by 8 is 2, 8 divided by 8 is 1.

A triangle has side lengths of 23 in, 32 in, and 54 in. Classify it as acute, obtuse, or right.

Answers

Answer:

Acute

Step-by-step explanation:

which number is halfway between 318970 and 719070​

Answers

Answer:

it is 519020

Step-by-step explanation:

tam sayılı kesirleri anlatır mısınız?​

Answers

Bir tam sayı ve bir basit kesir ile ifade edilen kesirlere taam sayılı kesir denir.

Can someone help?
Find the measures of angles ACD, ACB, DAC, BAC

Answers

Step-by-step explanation:

ACD=ACB

DAC=BAC

2x=3x-29

x=29°

2x= 58°

ACD= 58°

ACB= 58°

DAC= 180-90-58= 32°

BAC= 32°

Consecutive numbers follow one right after the other. An example of three consecutive numbers is 17, 18, and 19. Another example is -100, -99, -98. How many sets of two or more consecutive positive integers can be added to obtain a sum of 100? What are they?
help pls

Answers

I would say none because if you try to find numbers that add up to 100 you won’t find them as integers. The answer is either no sets at all or you can do numbers that are consecutive like 32 1/3 , 33 1/3 and 34 1/3 . They all add up to 100 but I’m not sure cause they’re not full numbers so they’re not integers.

The solution is 32 1/3 , 33 1/3 and 34 1/3

The three consecutive numbers which have a sum of 100 is given by the equation A = 32 1/3 + 33 1/3 + 34 1/3

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

Let the first number be = n

Let the second number be = n + 1

Let the third number be = n + 2

So , the sum of all the three consecutive numbers is 100

Substituting the values in the equation , we get

n + ( n + 1 ) + ( n + 2 ) = 100   be equation (1)

On simplifying the equation , we get

3n + 3 = 100

Subtracting 3 on both sides of the equation , we get

3n = 97

Divide by 3 on both sides of the equation , we get

n = 32 1/3

So , the first number n = 32 1/3

Second number = n + 1 = 33 1/3

Third number = n + 2 = 34 1/3

Therefore , A = 32 1/3 + 33 1/3 + 34 1/3 = 100

Hence , The three consecutive numbers which have a sum of 100 is given by the equation A = 32 1/3 + 33 1/3 + 34 1/3

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AC=1
Round your answer to the nearest hundredth.
B
6
70
А
?
С

Answers

Answer: 2.18

Step-by-step explanation:

Angle B= 180- (Angle A + Angle C)

= 180- (70+90)

= 180-160=20

((sin A)/BC)=((sin B)/AC)

((sin 70)/6)=((sin 20)/AC)

(0.9/6)=(0.3/AC)

AC= (6*0.3)/0.9

AC= 2.18

Express the product of (2x+5/2) and (x-1) as a trinomial in simplest form

Answers

Answer:

[tex]\displaystyle 2x^2 + \frac{x}{2} - \frac{5}{2}[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Algebra I

Terms/CoefficientsExpand by FOIL (First Outside Inside Last)

Step-by-step explanation:

Step 1: Define

[tex]\displaystyle (2x + \frac{5}{2})(x - 1)[/tex]

Step 2: Expand

[Trinomial] FOIL:                                                                                             [tex]\displaystyle 2x^2 - 2x + \frac{5}{2}x - \frac{5}{2}[/tex][Trinomial] Combine like terms:                                                                     [tex]\displaystyle 2x^2 + \frac{x}{2} - \frac{5}{2}[/tex]

I neeeed helppp plz

Answers

Answer:

7. y=x-2, 8. y=3/2x+4, 9.  y=-3/4x+8, 10. y=2x-7, 11. y=-5x-3, 12. y=4x-5,             13. y=-3x-1, 14. y=-1/2x+1, 15. y=3/2x+4

Step-by-step explanation:

First you have to plug in the points into y2-y1/x2-x1. This would make it      -2-0/0+1. Simplify this to get -2/1 which is -2. This makes the slope -2. Then plug in the slope into point intercept form y-y1=m(x-x1) where m is the slope. This time, I will use the point (0,-2). Therefore, the equation will be y+2=1(x-0) which is equal to y+2 =x-0 which is equal to y=x-2.

This is how you do all of the problems. For problem 13-15, you know that f(0)=-1 is (0,-1) and f(3)=-10 is (3,-10). Then you can solve the problems. I will not explain every single problem but will give you the answers.

A triangle has an area of 36 square meters. What could its base and height be?

b = 12 m, h = 6 m
b = 9 m, h = 4 m
b = 9 m, h = 9 m
b = 8 m, h = 9 m

Answers

Answer:

b = 12 m, h = 6 m

Step-by-step explanation:

A=1/2bh

36=1/2bh

Plug in the first values

36=1/2(12)(6)

36=6*6

36=36

the answer would be the top one

Choose the inequality that represents the following graph.

Answers

Answer:

D: x ≥ -2

Step-by-step explanation:

The arrow points to the right on the number line, meaning the inequality uses the greater than sign.

The solid point at -2 means that -2 is included in the solution for x.

So, the final inequality is x ≥ -2.

5x - 7 < 3(x - 3) whats the answer to this?

Answers

Answer:

X< - 1

Step-by-step explanation:

Question 8

Ramon solves a linear equation. One of the steps in his work is 53 = 477

Which of these describes the solution to the equation that Ramon solves?

A

The equation has no solution

The equation has a solution of = =9

С

The equation has a solution of c = 424

D

The equation has infinitely many solutions,

Answers

Answer:

If Step is 53 = 477 then no solution exist

If Step is 53 x = 477 then there exist a unique solution x = 9

Step-by-step explanation:

Given - Ramon solves a linear equation. One of the steps in his work is

             53 = 477

To find - Which of these describes the solution to the equation that Ramon

              solves?

Proof -

As given, One of the steps in his work is 53 = 477

There are 2 cases possible -

Case I:

If his step is 53 = 477

Then, the equation has no solution because 53 ≠ 477

Case I:

If his step is 53 x = 477

Then, the equation has a solution because x = [tex]\frac{477}{53}[/tex] = 9

⇒The equation has a solution of x = 9.

awnser with explanination no fake awnsers or reported

Answers

Answer:

D,

okie dokie yoo

An angle measures 106.4° less than the measure of its supplementary angle. What is the measure of each angle

Answers

Answer:

The two supplementary angles are 10 and 170 degrees.

Step-by-step explanation:

Two angles are supplementary when that add up to 180 degrees. In this case, we are given that one of the two angles is 160 degrees more than the other. We can construct the following equation. x + ( x + 160 ) = 180 x

represents the degree measure of the smaller angle. Now, all we need to do is solve the equation for x. 2 x + 160 = 180    2 x = 20 x = 10

Now that we have the value of the smaller angle, we can easily solve for the larger angle. We are told that it is 160 degrees larger than the other one.

10 + 160 = 170. Therefore, the two supplementary angles are 10 and 170 degrees.

Help me plsssssss!!!!!!!

Answers

Answer:

hello pero no hablo inglés ._.

Sajid wants to bake cupcakes and muffins. He wants to bake a total of at least 16 cupcakes and muffins
(condition A), and he has 9000 grams of sugar (condition B).
ni
The graph represents the constraints on the number of cupcakes C and muffins M Sajid bakes.
M
20
18
16-
А
14-
12
10
8-
6+
B
41
2+
С
2
4 6
8
10 12 14
18 20
Sajid bakes 3 cupcakes. How many muffins can he bake to meet both his constraints?

Answers

Answer:

At least 13 muffins and at most 16 muffins

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