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Nitella [24]
2 years ago
14

Which statement describes the relationship between labor cost and time for a car repair?

Mathematics
1 answer:
djyliett [7]2 years ago
3 0

Answer:

There is no cost of labor for a repair requiring less than 1 hour

Step-by-step explanation:

YEEEEEEEE

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Estimate the sum or difference...
Sholpan [36]
Sosksl 35is40 is 40 times 0 is 3
7 0
3 years ago
Given: KPST is a trapezoid, KP=ST, MN is a midsegment, MN=20, h=15, PS:KT=3:7 Find: KS and KP
lions [1.4K]

Answer:

Length of KS = 25 units and

Length of KP = 17 units.

Step-by-step explanation:

Given: KPST is a trapezoid, KP =ST, MN is a mid segment, h is the height =15

Also it is given that, MN = 20 , h = 15 and PS:KT = 3:7.

  • If two sides of the trapezoid are equal then, it is an isosceles trapezoid.
  • Mid-segment of a trapezoid is a line segment which connects the midpoints of the non-parallel sides.
  • A trapezoid mid segment connects the midpoints of two congruent sides of the trapezoid and is parallel to the pair of parallel sides.
  • Length of the mid segment is the sum of two bases divide by 2

Since, the length of Mid-segment MN = 20.

Also, it is given: PS:KT = 3:7

Let  PS = 3x and KT = 7x respectively.

then;

\frac{PS+KT}{2} = 20

\frac{3x+7x}{2} = 20

\frac{10x}{2} =20

On Simplify, we get;

5x =20

Divide both sides by 5 we get;

x =4

Then:

Length of base PS = 3x = 3(4) = 12 and Length of base KT = 7x = 7(4) = 28.

Now, In triangle PLK

Using Pythagoras theorem to find KP;

It is given here, PL =h =15 and KL= 8 {you can see in the figure as shown below};

KP^2= PL^2 + KL^2

KP^2 = 15^2+8^2 =225 +64 = 289

KP = \sqrt{289}

Simplify:

KP = 17

therefore, the length KP = 17 units

To, construct a line: Join K and S

Now, in triangle KRS

KR = KL +LR = 8 +12 =20 and SR = h= 15

Using Pythagoras theorem in KRS to find KS;

KS^2 = SR^2+KR^2

KS^2 = 15^2 + 20^2 = 225 + 400 = 625

KS = \sqrt{625}

On simplify:

KS = 25

Therefore, the length of KS is, 25 units.

4 0
3 years ago
1. Red Bird Cruises charges $85 per day plus a one-time fee of $75. King Cruise charges
xz_007 [3.2K]
N= days for cruises to be equa
851 + 75 = 100n + 30
-85n
85n
75=151-39
45:457
1=3 day the cost will
be equal
6 0
2 years ago
Plz plz plz I need 546463+54543 times 64 it’s due in 4 min
Airida [17]

Woah! Those are some big numbers! Anyways heres my answer: I used the old school way of fuigreing this out but using the pencil and paper I fuigred out 546463+54543 is equal to 601006 and if you were to multiply this by 64 (it took a LONG time for me and quite a few mess ups) its 38464384. Though I gave you the answer I'm just wondering if you could use a calculator because it would be a whole lot easier if you were able to do so.

4 0
2 years ago
The sum of 5 consecutive integers is 110<br><br> What is the fourth number in this sequence?
umka21 [38]
The sum of 5 consecutive integers is 110<span>.

Hope it helps :)</span>
7 0
3 years ago
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