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4 years ago

The perimeter of a rectangle is 5 feet and 11 inches. If there are 2.54 cm in 1 inch, what is length

Mathematics

1 answer:

Elanso [62]4 years ago

8 0

Answer:

180.34cm

Step-by-step explanation:

Multiply 12x5=60, then multiply 60x2.54=152.4, then multiply 11x2.54=27.94, then add 152.4+27.94 of it together, which is 180.34

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The level of a lake was 8 inches below normal. It decreased 1

solmaris [256]

Answer:

$-9\dfrac{5}{8}$ inches.

Step-by-step explanation:

The level of a lake was 8 inches below normal.

Now, it is given that the water level decreases $1\dfrac{1}{4} = 1.25$ inches in June and $2\dfrac{3}{8} =2.375$ inches more in July.

Therefore, the new level of water with respect to the normal level will be

= - 8 - 1.25 - 2.375

= - 9.625 inches

= $-9\dfrac{5}{8}$ inches. (Answer)

4 0

3 years ago

I need help on these problems please

Alik [6]

Alright sure:
Q5: ∠3
Q6: ∠1
Q7: ∠2
Q8: x = 25
Q9: x = 63
For Questions 8 and 9 what I did was find out the supplementary angle adjacent to the exterior angle.
8: 180° in a supp. angle. So 180-105 = 75. To make a triangle it has to be 180°. So 180 - 75-80 = 25 So x=25
9: 180° in a supp. angle. So 180-135 = 45. To make a triangle it has to be 180°. So 180 - 45-72 = 63. So x=63

Let me know if you don't understand that. If you don't get it I'll explain it further for you.

5 0

3 years ago

What is the rule for a line that has a slope of 2 and passes through ( 10,17 )

ella [17]

Answer:

Therefore the equation of the line has a slope 2 and passes through ( 10 , 17 ) is

2x - y = 3

Step-by-step explanation:

Given:

Slope = 2 = m ( say )

Let,

point A( x₁ , y₁) ≡ ( 10 , 17 )

To Find:

Equation of Line AB =?

Solution:

Equation of a line passing through a points A( x₁ , y₁) and having slope m is given by the formula,

$(y - y_{1} )=m\times(x-x_{1}) \\$

Substituting the given values in a above equation we get

$(y-17)=2\times (x-10)\\ \\(y-17)=2(x-10)\\\\y-17=2x-20\\2x-y=3\\2x-y=3...............\textrm{which is the required equation of the line AB}$

Therefore the equation of the line has a slope 2 and passes through ( 10 , 17 ) is

2x - y = 3

3 0

3 years ago

Y=1/2×-16 y=-2/3×+12 what is value of x ?

larisa86 [58]

Answer:

Is equal 54

Step-by-step explanation:

6 0

3 years ago

Marcie solved the following inequality, and her work is shown below.

mihalych1998 [28]

Answer:

She didn't change the direction of the sign

Step-by-step explanation:

When dividing both sides by a negative number in an inequality, you must change the sign.

4 0

3 years ago