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Sever21 [200]
2 years ago
14

Whats 2+7 because i really need help

Mathematics
2 answers:
Aloiza [94]2 years ago
7 0

Answer:

9 LOL-

Step-by-step explanation:

kirill115 [55]2 years ago
5 0

Answer:

9

Step-by-step explanation:

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A room has an area of 60 square meters and a perimeter of 32 meters. What are the length and width of the room?
Dominik [7]

Answer:

6 and 10

Step-by-step explanation:

xy=60

2(x+y)=32

x+y=16

y=16-x

Substitute y into area equation

x(16-x)=60

16x-x^2=60

x^2-16x+60=0

(x-10)(x-6)=0

x=10, 6

y=6, 10

6 0
2 years ago
Please help me!!<br> 20 points
vovangra [49]

Answer:

182 yd^{2}

Step-by-step explanation:

Area of a parallelogram: bh

bh

= 13(14)

= 182 sq. yds

4 0
2 years ago
Plzzzzzzzz. Helpppp hurryyyyyy I got more thanks
aleksklad [387]
21)

Answer : 2x + 3 (Option D)

When x = 1, 2(1) + 3 = 5
When x = 2, 2(2) + 3 = 7
When x = 3, 2(3) + 3 = 9
When x = 4, 2(4) + 3 = 11

Question 22)

The square of y decreased by the quotient of 28 and 7.

Quotient of 28 and 7 = 28/7

Decreased by square of y = -y²

Therefore the expression is 28/7 - y² (Option A)


3 0
3 years ago
Read 2 more answers
Determine which lines, if any, are parallel or perpendicular. Explain.
Orlov [11]

Answer:

line a and b are parallel, there is no perpendicular lines

Step-by-step explanation:

Looking at the slope of each line, you can identify whether the lines are parallel, perpendicularlar, or neither.

When the slopes are the same, they are parallel.

When the slopes have opposite sign and numerator and denominator flipped, they are perpendicular. Ex. \frac{a}{b} and -\frac{b}{a} are perpendicular slopes.

Finding slope is using the formula: \frac{y_{2}-y_{1}  }{x_{2} -x_{1} }

Line a has slope  \frac{3-4}{4-0} = -\frac{1}{4}

Line b also has slope -\frac{1}{4}

Line c has slope 2

Since slope of line a and b are same, they are parallel.

Line c is not perpendicular to line a and b because the slope should have opposite sign and numerator and denominator flipped, which is 4 not 2.

4 0
3 years ago
Andrew makes $6 an hour plus $9 an hour for every hour of overtime. Overtime hours are any hours more than 40 hours for the week
Novosadov [1.4K]
Part A ) The equation is W = $ 6x where x ≤ 40, <span>W is the amount of wage earned and x hours in a week when there is no overtime. 

Part B) </span>The equation is W = $ 6*40 + $9 y =$ 240 + $9 y where <span>y as the overtime hours = total number of hrs - 40. 

Part C) </span>$ 240 + $9 y = $330. y is 10 hrs. Hence the total hours is 50 hrs. 
6 0
3 years ago
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