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andrezito [222]
3 years ago
10

The angles formed by two perpendicular lines have a measure of _______.

Mathematics
2 answers:
Tpy6a [65]3 years ago
7 0
The answer is 90 degrees. SO it would be B
Tresset [83]3 years ago
5 0
I think it is A because it makes the most sence
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Last year Andrea's annual salary was A dollars and she was paid biweekly. This year she received a
Cloud [144]

Biweekly salary last year algebraically will be S = (27)A.  Semimonthly salary this year algebraically will be S = ( A + R )6.

<h3>What is an expression?</h3>

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given that Last year, Andrea's annual salary was A dollar and she was paid biweekly. This year she received a raise of R dollars per year. She is now paid semimonthly.

Biweekly salary last year algebraically will be:-

S = (27)A.

Semimonthly salary this year algebraically will be:-

S = ( A + R )6.

Therefore, the biweekly salary last year algebraically will be S = (27)A.  Semimonthly salary this year algebraically will be S = ( A + R )6.

To know more about expression follow

brainly.com/question/723406

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7 0
2 years ago
Simplify the expression to a single numerical value. 3x2^3 x 2x3^2.
matrenka [14]
It’s wants 20 characters lol but the answer is b
4 0
3 years ago
Solve the system of equations by multiplying and adding. Enter the solution as an ordered pair.
GREYUIT [131]

Answer:

(x, y) = (- 3, 4)

Step-by-step explanation:

Given the 2 equations

5x + 2y = - 7 → (1)

4x - y = - 16 → (2)

multiply all terms in (2) by 2

8x - 2y = - 32 → (3)

Add (1) and (3) term by term

(5x + 8x) + (2y - 2y) = (- 7 - 32)

13x = - 39 ( divide both sides by 13 )

x = - 3

Substitute x = - 3 into either (1) or (2) and solve for y

substituting in (1) gives

(5 × - 3) + 2y = - 7

- 15 + 2y = - 7 ( add 15 to both sides )

2y = 8 ( divide both sides by 2 )

y = 4

solution is (- 3, 4 )


3 0
3 years ago
Convert 22.625 into a fraction
VladimirAG [237]

Answer:

22 5/8

Step-by-step explanation:

5 0
3 years ago
Problem solving your family has a rectangular pool that measures 18 feet by 9 feet. your family wants to put a deck around the p
tester [92]
Let w be the width of the deck. Then, using the total area, we get:
(9+2w)(18+2w)=400
4w²+54w-238=0
2w²+27w-119=0
(2w-7)(w+17)=0
w=-17 or 7/2
Using the positive value, we get a width of 3&1/2 ft. for the deck
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7 0
3 years ago
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