Can some help me please

Answer:

Step-by-step explanation:

13 + h = 21 for h = 9

1. Substitute 9 for the variable h.

Correct, because the question already giving the value that h = 9.

2. Substitute 21 for the variable h.

False, because in the question it states that h is 9, not 21.

3. Simplify by adding 13 and 21.

False, because they are in different sides.

4. Simplify by adding 13 and 9.

True, the question giving that h is 9. In the left sides, it's 13 + h, by adding 13 and 9, we will get the answer for the left side.

5. 21 = 21, so 9 is a solution to the equation.

False, because in the left side is 13 + h = 13 + 9 = 22.

6. 22 Not-equals 21, so 9 is not a solution to the equation.

True, see the explanation in 5.

Answer:

Substitute 9 for the variable h.

Simplify by adding 13 and 9.

22 Not-equals 21, so 9 is not a solution to the equation.

Step-by-step explanation:

the guy above me ∧ is correct!

Answer:

I need to know the total length of the pipe but she has 1/2 yard of pipe left. Whatever the total pipe length is, just divide that by 2 to get your answer.

The point that is marked on the number line is  - 0.875.

According to the number line diagram, the right side after zero is the positive side while the left side before zero is the negative side.

The marked point is before zero, therefore, the marked point on the number line is surely a negative number.

Each step in the number line represents a step of 0.125.

Hence, the marked point represents 7 steps from zero, therefore, the marked point is  -0.875.

learn more on number line here: https://brainly.com/question/13189025

Answer:

f(-10) = 2(-10)^2 +(-10)-4 = 386

Step-by-step explanation:

(2 * -10)^2 equals -20^2= 400

+(-10)-4= -10-4=-14

400-14=386

Answer: The answer would be $28.75

Step-by-step explanation: You would first wanna see how much one bag of dog food costs by dividing 34.50 by 6. Then you can muiltiply how much one bag of dog food costs by 5 to see how much Amelia would spend.

Answer:

Which one is it though?

Step-by-step explanation:

Answer:

x = 6

Step-by-step explanation:

i think of a number multiply it by 3 and add 4 i get 22.

x = a number

x is being multiplied by 3 (3*x or 3x), thening add 4 is equal to 22.

3x + 4 = 22

    - 4    - 4

3x = 18

/3      /3

x = 6

Therefore, the unknown number is 6.

Hope this helps!

Answer:

hello

x² + 4 x = 0

x ( x + 2  ) = 0

x = 0  or   - 2

Answer:

where is table

Step-by-step explanation:

Answer:

Associativity.

Step-by-step explanation:

Answer:

Can you rephrase the question so I can get a better explanation of what you're trying to ax me

Answer:

a + 55 =180

a=180-55=125

b = 55 alternate angles

c=a=125 alternate angles

e =125. alternate angles

f=b=55

h=f=55 alternate angles

Step-by-step explanation:

(a) < a = 180-55= 125

(b) < b = 180- 125= 55

(c) < c = 189- 55 = 135

(d) < e = 125

(e) < f = 180-125= 55

(f) < h = 55

~

< a and < c are vertical angles.

< a and < b are adjacent angles.

< b and <h are Alternate interior angles.

< f and 55° are Alternate Exterior angles.

< a and < e are corresponding angles.

~

Answer:

its not proportional because the graph is not a straight line

Answer:

1. [tex]=11x+9[/tex]

2. [tex]=7a+17[/tex]

3. [tex]=14k+10[/tex]

4. [tex]=3r+19[/tex]

5. [tex]=8w+19[/tex]

6. [tex]=\frac{19}{2}p+16[/tex]

7. [tex]=8x+18y[/tex]

8. [tex]=11m+7n+14[/tex]

9. ???

10. [tex]=\frac{4p+5q}{6}+\frac{1}{4}[/tex]

Step-by-step explanation:

[tex]4x+9+7x[/tex]

[tex]\mathrm{Group\:like\:terms}[/tex]

[tex]=4x+7x+9[/tex]

[tex]\mathrm{Add\:similar\:elements:}\:4x+7x=11x[/tex]

[tex]=11x+9[/tex]

[tex]7a+1+16[/tex]

[tex]\mathrm{Add\:the\:numbers:}\:1+16=17[/tex]

[tex]=7a+17[/tex]

[tex]9+6k+8k+1[/tex]

[tex]\mathrm{Group\:like\:terms}[/tex]

[tex]=6k+8k+9+1[/tex]

[tex]\mathrm{Add\:the\:numbers:}\:9+1=10[/tex]

[tex]=6k+8k+10[/tex]

[tex]\mathrm{Add\:similar\:elements:}\:6k+8k=14k[/tex]

[tex]=14k+10[/tex]

[tex]r+14+5+2r[/tex]

[tex]\mathrm{Add\:the\:numbers:}\:14+5=19[/tex]

[tex]=r+19+2r[/tex]

[tex]\mathrm{Group\:like\:terms}[/tex]

[tex]=r+2r+19[/tex]

[tex]\mathrm{Add\:similar\:elements:}\:r+2r=3r[/tex]

[tex]=3r+19[/tex]

[tex]6+7w+w+13[/tex]

[tex]\mathrm{Group\:like\:terms}[/tex]

[tex]=7w+w+6+13[/tex]

[tex]\mathrm{Add\:the\:numbers:}\:6+13=19[/tex]

[tex]=7w+w+19[/tex]

[tex]\mathrm{Add\:similar\:elements:}\:7w+w=8w[/tex]

[tex]=8w+19[/tex]

[tex]\frac{1}{2}p+14+2+9p[/tex]

[tex]\mathrm{Add\:the\:numbers:}\:14+2=16[/tex]

[tex]=\frac{1}{2}p+16+9p[/tex]

[tex]\mathrm{Group\:like\:terms}[/tex]

[tex]=9p+\frac{1}{2}p+16[/tex]

[tex]\mathrm{Factor\:out\:common\:term\:}p[/tex]

[tex]=p\left(9+\frac{1}{2}\right)+16[/tex]

[tex]=p\frac{19}{2}+16[/tex]

[tex]=\frac{19}{2}p+16[/tex]

[tex]8x+3y+15y[/tex]

[tex]\mathrm{Add\:similar\:elements:}\:3y+15y=18y[/tex]

[tex]=8x+18y[/tex]

[tex]3m+7n+14+8m[/tex]

[tex]\mathrm{Group\:like\:terms}[/tex]

[tex]=3m+8m+7n+14[/tex]

[tex]\mathrm{Add\:similar\:elements:}\:3m+8m=11m[/tex]

[tex]=11m+7n+14[/tex]

Cant see the next one the number before w

[tex]\frac{2}{3}p+\frac{5}{6}q+\frac{1}{4}[/tex]

[tex]=\frac{2p}{3}+\frac{5q}{6}+\frac{1}{4}[/tex]

[tex]=\frac{4p+5q}{6}+\frac{1}{4}[/tex]

Answer:

57 students can still board

Step-by-step explanation:

If it carries 76 students total and 19 are already on, we must find the difference

This means we subtract

76 - 19 = 57

Answer:

416667 / 100000

Step-by-step explanation:

maths is too ez

Answer:

Step-by-step explanation:

4 16667/100000

Answer:

0 2/5 By zeros

Step-by-step explanation:

Answer:

im not sure but i think its b reconsider and look for other answers

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

If m and n are parallel, then

∠ CBA = ∠ 2 ( alternate angles )

The sum of the 3 angles in a triangle = 180°, thus

∠ 1 + ∠ 2 + ∠ 3 = 180° ( sum of the angles in the triangle )

Answer:

32

Step-by-step explanation:

Let, the age of father and mother be x and y respectively. then,

According to question,

x + y = 76.........(i)

x= y + 12...............(ii)

Now,

x + y = 76

or, ( y + 12) + y = 76

or, y + 12 + y = 76

or, 2y = 76 – 12

or, 2y = 64

or, y = 64/2

.

. . y = 32

hope it will help you.

Laborious in this sentence means a task that requires a lot of effort.

Suffix is a kind of affix which is placed after the stem of the word in the word. This explains about the grammatical case of nouns and adjectives.

The word that has been used in the sentence which describes about the activity of the sentence is laborious.

The activity speaks about that this task which is of making a four course dinner is not going to be easy and requires a lot of efforts in it.

Thus Laborious in this sentence means a task that requires a lot of effort.

To know more about suffixes follow

https://brainly.com/question/26231721

c

Step-by-step explanation:

Answer:

14

Step-by-step explanation:

45/3=15

She has 3 left so that means she has 14 friends

Answer: y=-0.4x+2

Step-by-step explanation:

Answer:

130

Step-by-step explanation:

This most likely goes in a pattern

150

130

130

150

140

140

150

130

d (130)

e (150)

Answer:

130 degrees

Step-by-step explanation:

It's a pattern so first is 150 the 130 2x and then 150 again and now 140 2x. Starts over 150 again and 130 2x

The solution to the provided expression using the difference of square formula of algebra is a=1.

The difference of square says, the difference of the square of two terms is equal to the product of their sum and difference. It can be given as,

a^2-b^2=(a+b)(a-b)

The given expression in the problem is,

[tex]15(2a - 2) = 5(a^2 -1)[/tex]

From the property of difference of square, the above equation can be written as,

[tex]15(2a - 2) = 5[(a +1)(a-1)]\\15\times[2(a - 1)] = 5[(a +1)(a-1)][/tex]

Divide both side of the equation with (a-1) as,

[tex]5\times2 = 5(a +1)[/tex]

Divide both side of the equation with number 5 as,

[tex]2 = (a +1)\\a=2-1\\a=1[/tex]

Hence, the solution to the provided expression using the difference of square method of algebra is a=1.

Learn more about the difference of square here;

https://brainly.com/question/1148545

The solutions to 15(2a – 2) = 5(a2 – 1) are:

a = 1, a = –1

a = 5, a = –1

a = 5, a = 1

Answer:

C. a = 5, a = 1

Step-by-step explanation:

Answer:

5x+8 because 7x-2x=5x and you cant do anything with the 9 so it just stays as a hang on at the end.

Step-by-step explanation:

Answer:

7x + 9 - 2x

We need to combine like terms (meaning terms that have the same power and variables);

(7x - 2x) + (9)

5x + 9