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3 years ago

15

there are 4 trucks for every 5 cars in a parking lot. how many trucks and cars could be in the parking lot? A. 64 trucks and 80

cars B. 72 trucks and 73 cars C. 84 trucks and 100 cars D. 96 trucks and 110 cars

1 answer:

Julli [10]3 years ago

5 0

Answer:

A.

Step-by-step explanation:

64/4=16 80/5=16 They are multiplied by the same number so it is A

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Can someone please help me with all of these. And thank you.

lawyer [7]

Answer/Step-by-step explanation:

1. x = -3.6

Add 1 on both sides.

18x = 23x + 18

Subtract 23x on both sides.

Combine like terms.

Divide the answer.

-5x = 18

x = -3.6

2. x = 11/3 (2.66666...)

Add 5 on both sides.

6x = 3x + 11

Subtract 3x on both sides.

Combine like terms.

Divide the answer.

3x = 11

x = 11/3

3. x = 23

Subtract 12 on both sides.

5x = 6x - 23

Subtract 6x on both sides.

Combine like terms.

Divide the answer.

-x = -23

x=23

(that's all.)

7 0

2 years ago

) If the gradient of ff is ∇f=xi⃗ +yj⃗ +3zyk⃗ ∇f=xi→+yj→+3zyk→ and the point P=(−6,−6,−2)P=(−6,−6,−2) lies on the level surface

Paha777 [63]

Answer:

-3x-3y-z=38

Step-by-step explanation:

To find the equation of the tangent plane you can use

$\bigtriangledown f_x(x_0,y_0,z_0)(x-x_0)+\bigtriangledown f_y(x_0,y_0,z_0)(y-y_0)+\bigtriangledown f_z(x_0,y_0,z_0)(z-z_0)=0$

the point P is (-6,-6,-2). Hence you have

$(-6)(x-(-6))+(-6)(y-(-6))+(-2)(z-(-2))=0\\-6x-36-6y-36-2z-4=0\\-6x-6y-2z=76\\-3x-3y-z=38$

hope this helps!!

5 0

3 years ago

Elisa saved $30 in July,$21.50 in august, and $50 in September. He spent $18 on movies and $26.83 on gas. how much money does El

Eva8 [605]

Answer:

$56.67

Step-by-step explanation:

$30+$21.50+$50=101.50

$101.50-$18=$83.50

$83.50-$26.83=$56.67

4 0

3 years ago

Katie needs to measure water for a recipe she is using to cook dinner. she should measure the liquid in

Lisa [10]

The answer to that question is B. pints

7 0

3 years ago

Read 2 more answers

10+4.5m=21.25<br> Solve for M

enyata [817]

<u>Answer:</u>

m = 2.5

<u>Step-by-step explanation:</u>

10 + 4.5m = 21.25
=> 4.5m = 21.25 - 10
=> 4.5m = 11.25
=> m = 11.25/4.5
=> m = 2.5

<u>Conclusion:</u>

Therefore, m = 2.5

Hoped this helped.

$GeniusUser$

8 0

3 years ago