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vredina [299]
2 years ago
10

This is worth 30 points

Mathematics
1 answer:
Mama L [17]2 years ago
6 0

Answer:

There's 3 questions which one do I answer?

Step-by-step explanation:

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mrs. Hicks is buying donuts for her favorite class. the cost for the first dozen is $15. since she has more than 12 students she
Vlada [557]
C=15+X

C being the total cost. Starting at $15 plus an additional $1 (seen as X in the equation) for each student.
3 0
3 years ago
What is the value of x ?
4vir4ik [10]

Answer:

What is the value of x?

Whenever we have a problem to solve we assume the unknown quantity(or value to be identified) as x. This is just a convention followed in algebra by using a variable to denote the unknown quantity and then arrive at the solution.

What is the value of X?

What's the value of X?

X + X = X, what is the value of X?

What is the value of x ? How can I find it?

Do you know the value of x?

Value of X can be any numerical value or anything but depends solely on your question .But I find no question ok lets take an example .

If an equation is given ,

X+2=4

=> X=4–2

=>X=2

We X's value as 2 .

Now another ,

X + Y = 5 , 2X + 5Y = 10

Now taking first equation

X = 5-Y ………………………..(1)

Now taking second equation

X= 10–5Y/2…………………(2)

Now,

2(5-Y) = 10–5Y

=> 10–2Y = 10–5Y

=> 2Y = 5Y

Y has no value here because this equation not correctly represented .

Hence ,

We conclude the value of X varies with equation .

Thank You ,

4 0
2 years ago
Read 2 more answers
Parallelogram ABCD is similar to parallelogram EFGH. Angle A is congruent to the measure of angle ___.
777dan777 [17]

Answer:

Step-by-step explanation:

∠A = ∠E

Corresponding parts of congruent parallelogram

6 0
2 years ago
What number could replace x to make a true statement?
Burka [1]

Answer:

6 its 6 or D

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Could someone please help me with this problem
lina2011 [118]

Answer:

a = -1 , b = 4 , c = 3 , d = 1

Step-by-step explanation:

Given:

(-xy)^3 (xz) =ax^by^cz^d

The right hand side = (-xy)³ (xz) = (-1)³ x³ y³ x z = (-1) x⁴ y³ z

Comparing the right hand side with the left hand side

∴ a = -1

∴ b = 4

∴ c = 3

∴ d = 1

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

The general rules of exponent:

1) \ a^m * a^n = a^{m+n}\\2) \ a^m / a^n = a^{m-n}\\3) (-1)^m = 1 \ (if \ m \ is \ +) and \ = \ -1 \ (if \ m \ is \ -)

8 0
3 years ago
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