3 years ago

(5,0) and (-10-5) equation

Mathematics

1 answer:

muminat3 years ago

3 0

You dont know and i dont know

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Determine whether 4 is a solution of the equation 9x+7=40.<br> Is 4 a solution?

Allisa [31]

Plug in 4 for x

9(4) + 7 = 40

36 + 7 = 40

43 ≠ 40

No, 4 is not a solution

hope this helps

5 0

3 years ago

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Help (the answer isn't the 2nd one my friend did this test and chose that and got it wrong please )

Artyom0805 [142]

Answer: 4 and 3/5

Step-by-step explanation:

7 0

3 years ago

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Kindly answer this one. Thank you.

steposvetlana [31]

Answer:

See below.

Step-by-step explanation:

I'm assuming these questions are about the Midline Theorem (segment AL joins the midpoints of the non-parallel sides.

♦ The midline's length is the average of the lengths of the top and bottom parallel sides.

$AL=\frac{OR+CE}{2}$

Use this equation and substitute values given in each problem, then solve for the missing information.

1. AL = x, CE = 9, OR = 5

$x=\frac{9+5}{2}=7$

2. AL = <em>m</em> - 4, CE = 15, OR = 17

$m-4=\frac{15+17}{2}=16\\\\m-4=16\\\\\\m=20\\\\AL=20-4=16$

3. OR = y + 5, AL = 15, CE = 18

$15=\frac{(y+5)+18}{2}\\\\15=\frac{y+23}{2}\\\\30=y+23\\\\7=y\\\\OR = 7+5=12$

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3 years ago

A sandwich store charges $20 to have three turkey subs delivered and $26 to have four delivered. How much does the store charge

sweet [91]

$6 per turkey and $2 delivery fee. Do da math.

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3 years ago

Missy bought 3 umbrellas and 5 hats 27.00. Each umbrella coats the same amount. Each has costs the same amount. The price of a h

slava [35]

$4.00 is my answer.

3x + 5(3) = 27
3x = 27 - 15
3x = 12
x = 12÷3
x = 4

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3 years ago