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Andrei [34K]
4 years ago
10

Can someone please help

Mathematics
1 answer:
AleksAgata [21]4 years ago
3 0
I believe it would be D

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MATH WILL MARK BRAINLIST
mash [69]

Answer:

Step-by-step explanation:

1)

y = 5x-4 when x=5

y = 5*5-4

y = 25-4

y = 21

y = -2/5x + 3/8 when x = 1/3

y = -2/5 * 1/3 + 3/8

y = -2/15 + 3/8

y = -6/120

y = -1/20

y = 3x + 12 when x = 4

y = 3*4 + 12

y = 12 + 12

y = 24

8 0
3 years ago
Which expression is equivalent to (s+7) + 8 by the Associative Property of Addition? *
Maurinko [17]
An equivalent expression would be s+15


You simplify the expression.

So yea the answer is s+15
7 0
3 years ago
Read 2 more answers
If -12-4(-2x)= 4 then what is x?
11111nata11111 [884]

Answer:

\boxed{\boxed{\sf x=2}}

Step-by-step explanation:

\sf -12-4\left(-2x\right)=\:4

First, let's remove parentheses:

\sf -12-4\times -2x=4

Simplify, multiply, 4 * -2x = -8x:

\sf -12-(-8x)=4

** Apply rule: - ( -a )= a

\sf 12+8x=4

Now, let's regroup terms

\sf 8x-12=4

Add 12 to both sides:

\sf -12+8x+12=4+12

Simplify, 4 + 12= 16

\sf 8x=16

Divide both sides by 8:

\sf \cfrac{8x}{8}=\cfrac{16}{8}

\sf x=2

<h2>________________________</h2>
6 0
3 years ago
Read 2 more answers
how do i tell if an angel is comolentery, supplmentsry, or neither? I was not at school the day they showed me this? ​
LuckyWell [14K]

Answer:

supplementary angles - two angles are supplementary when they add up to 180 degrees (a straight line)

complementary angles - two angles are complementary when they add up to 90 degrees (a right angle)

hopefully this helps! :)

3 0
3 years ago
Read 2 more answers
You run a hotel with 1465 rooms. You currently have 296 rooms reserved by individuals and 651 rooms reserved by groups for a par
Tanya [424]

Answer:

Hotel is over booked by 140 rooms

Step-by-step explanation:

Total number of hotel rooms = 1465

number reserved by individuals = 296

number reserved by groups = 651

booking rates = 67% for individual ,  56% for groups

<u>Determine if you are under booked or overbooked for the weekend </u>

let X represent the number of rooms booked by individuals

and Y represent the number of rooms booked by groups

number of reserved room for individuals

= 67% of X = 296

X = 67% + 33%

   = 296 + ( (296 / 67 ) * 33 )

   = 296 + 146 ≈ 442

number of rooms reserved for groups

= 56% of Y = 651

Y =( 651 / 56 ) * 100

   ≈ 1163

Total rooms booked = X + Y

                                  = 442 + 1163 = 1605

<u>To determine if under booked or over booked </u>

Total rooms booked - Total number of hotel rooms

 =  1605 - 1465

 =  140 ( Your Hotel is over booked )

4 0
3 years ago
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