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Alinara [238K]
3 years ago
14

Help me solve this problem please

Mathematics
1 answer:
blagie [28]3 years ago
3 0

Answer:

B

Step-by-step explanation:

Distributive property 5 is multiplying both n and 3

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20 POINTS!!!!
gregori [183]

Answer:

135 ft^2

Step-by-step explanation:

7yd = 7*3 feet = 21 feet

area \: of \: trapezoid \\  =  \frac{1}{2} (15 + 21) \times 7.5 \\  =  \frac{1}{2}  \times 36 \times 7.5 \\  = 18 \times 7.5 \\  = 135 {feet}^{2}

4 0
2 years ago
Read 2 more answers
1. Line that crosses through (6,4) with a slope of -23
navik [9.2K]

Answer:

y= -23x+142

Step-by-step explanation:

we know that our equation has to look likethis

y=mx+b

where m is the slope and b is the y intercept

we're given that m = -23 so we have

y= -23x+b

we also know that when x=6 y=4 so we can just plug those values in and solve for b

4= -23(6)+b

142=b

Which means our equation is

y= -23x+142

5 0
3 years ago
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HELP!! I WILL GIVE FREE BRAINLIEST TO THE FIRST CORRECT ANWSER!
arlik [135]

Answer:

Xbox $544.00 sales tax: 38.08 after tax: 582.08

Airpods $125:00 sales tax: 8.75 after tax: 133.75

4 0
2 years ago
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Which equation is equivalent to<br> y-1= 5(x+2) ?
Agata [3.3K]

Step-by-step explanation:

We can simply by opening the brackets ,

=> y - 1 = 5( x - 2 )

=> y - 1 = 5x - 10

=> y - 5x = -9

=> 5x - y + 9 = 0

8 0
3 years ago
Please help and explain how to do this
Mnenie [13.5K]

Answer:

  4√3

Step-by-step explanation:

The distance formula applies. It tells you ...

  distance = √((x2 -x1)² +(y2 -y1)²)

Filling in the given values, you have ...

  distance = √((-√32 -(-4√2))² +(2√3 -(-√12))²)

  = √((-4√2+4√2)² +(2√3 +2√3)²)

  = √(0 + (4√3)²)

  distance = 4√3

___

We make use of the fact that ...

  a\sqrt{b}=\sqrt{a^2b}\\\\\sqrt{32}=\sqrt{16\cdot 2}=4\sqrt{2}\\\\2\sqrt{3}=\sqrt{2^2\cdot 3}=\sqrt{12}

3 0
2 years ago
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