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Anna [14]
4 years ago
8

Split £180 into a 7 : 5 ratio

Mathematics
1 answer:
BARSIC [14]4 years ago
3 0
7 + 5 = 12
180 / 12 = 15
7 x 15 = 105
5 x 15 = 75
£105 : £75
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H(1)=9<br> h(n)=h(n-1)·1/9<br> h(3)=?
Amiraneli [1.4K]

Answer:

1/9

Step-by-step explanation:

h1 = 9

h2 = h1 × 1/9 = 9 × 1/9 = 1

h3 = h2 × 1/9 = 1 × 1/9 = 1/9

3 0
3 years ago
if ZA and ZB are supplementary angles. if mZA = (3x-23) and mZB= (2x-12) then find the measure of ZB​
Brilliant_brown [7]

Answer:

mZB= 74

Step-by-step explanation:

ZB+ZA=180

3X-23+2X-12=180

5X-35=180

5X=180+35

5X=215  (then divide both sides by 5 to x be left alone.)

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3 years ago
A quadrilateral has four sides identify p and q in the definition
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3 years ago
7x + 12 = 9x whats the value of x
Lera25 [3.4K]

Answer:

x=6

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7x+12=9x

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3 years ago
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When estimating a job to bid, a contractor’s estimator first determines the actual cost of labor using the function
CaHeK987 [17]

Answer:

M(B(h))=78.18025h

Step-by-step explanation:

First we have the following equations:

L(h) = 28.75h         eq. 1

B(L) = 1.78L            eq. 2

M(B) = 1.43B           eq. 3

To find the selling price based on the estimated number of hours, we need to start replacing equation 1 in equation 2 as:

B(L) = 1.78*B  

B(L(h)) = 1.78*(28.75h)

B(L(h)) = B(h) = 51.175h       eq. 4

Finally, if we weplace equation 4 in equation 3, we get:

M(B) = 1.43B

M(B(h)) = 1.43*(51.175h)

M(B(h)) = 73.18025h

So, the composite function that can be used to find the selling price for the labor portion of a bid based on the estimated number of hours is:

M(B(h)) = 73.18025h

4 0
4 years ago
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