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2 years ago

How much is 27.99$ with 25% extra

Mathematics

1 answer:

Fofino [41]2 years ago

8 0

Answer:

34.98

Simply add the 27.99 with 25%

= 34.98

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STOP SCROLLING AND HELP ME WITH THIS!! IT IS DUE TOMORROW

enyata [817]

Answer: (-2, -5), (-1, -8), (0, -9), (1, -8), (2, -5)

Step-by-step explanation:

f(-2)=(-2)^2-9

f(-2)=4-9

f(-2)=-5 ==> (-2, -5)

f(-1)=(-1)^2-9

f(-1)=1-9

f(-1)=-8 ==> (-1, -8)

f(0)=0^2-9

f(0)=0-9

f(0)=-9 ==> (0, -9)

f(1)=(1)^2-9

f(1)=1-9

f(1)=-8 ==> (1, -8)

f(2)=(2)^2-9

f(2)=4-9

f(2)=-5 ==> (2, -5)

6 0

1 year ago

use the elimination method to solve the system of equations. choose the correct ordered pairs -x + y=-3 and 3x + 2y=9

Agata [3.3K]

-x+y=-3, 3x+2y=9

1. multiply the first row by the second
-2x+2y=-6, 3x+2y=9

2. subtract the second row from the first row
-5x=-15

3. sole for x in the above equation
x=-15/-5
x=15/5
x=3

4. substitue x=3 into -2x+2y=-6
-2*3+2y=-6

5. solve for y in the above equation
-6+2y=-6
2y-6=-6
2y=0
y=0

6 therefore,
x=3 and y=0

Have a nice day :D

3 0

2 years ago

Simplify completely*****

san4es73 [151]

Answer:

$\displaystyle \frac{2(x + 4)}{3}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Terms/Coefficients
Factoring

Step-by-step explanation:

Step 1: Define

$\displaystyle \frac{4x + 16}{6}$

Step 2: Simplify

[Fraction] Factor numerator: $\displaystyle \frac{4(x + 4)}{6}$
[Fraction] Reduce: $\displaystyle \frac{2(x + 4)}{3}$

5 0

2 years ago

The price of a flash drive that regularly sells for $16 is increased by 15% . Write two different expressions the find the new p

elena-14-01-66 [18.8K]

I may be wrong but I hope I am not. But one expression is 16 × .15 and another is 16 × 15/100. When multiplying percentages you have to move the decimal that is invisbly behind the last number, two places to the left. The answer you get is the percentage of the price. You would then take the answer and add it to the price. The answer to the multiplication problem is 2.40. You then add the 2.40 to the $16 and that's the new price.

5 0

3 years ago

Which statement is true about vertical angles. 1 point Vertical angles are congruent if two lines are parallel. If vertical angl

Serhud [2]

Answer:

Vertical angles are always congruent.

Step-by-step explanation:

Vertical angles are formed when two straight lines intersect each other, thereby forming two pairs of opposite angles, which are called vertical angles. Thus, a pair of these vertical angles formed are congruent to each other. So therefore, if two angles are said to be vertical angles, it follows that they are congruent to each other.

Using the diagram attached below, we can see two straight lines intersecting each other to form two pairs of vertical angles:

<a and <b,

<c and <d.

Thus, <a is congruent to <b, and <c is congruent to <d.

Therefore, the standby that is true about vertical angles is that:

Vertical angles are always congruent.

8 0

2 years ago