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kow [346]
3 years ago
8

Given h(a) = 2x – 5, find h(6).

Mathematics
1 answer:
hram777 [196]3 years ago
7 0

Answer:

h(-6) = 2(-6) + 5

h(-6) = -12 + 5

Solution: h(-6) = -7

Step-by-step explanation:

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What is the length, in units, of segment CD?
leonid [27]

Answer:

The answet is C.

Step-by-step explanation:

First, you have to find the angle of ACB using Sine Rule, sinθ = opposite/hypotenuse :

\sin(θ )  =  \frac{oppo.}{hypo.}

let \: oppo. = 4 \\ let \: hypo. = 5

\sin(θ)  =  \frac{4}{5}

θ = {\sin( \frac{4}{5} ) }^{ - 1}

θ = 53.1 \: (1d.p)

Given that line AB is parallel to line CD so ∠C = 90°. Next, you have to find the angle of ACD :

ACD = 90 - 53.1 = 36.9

Lastly, you can find the length of CD using Cosine rule, cosθ = adjacent/hypotenuse :

\cos(θ)  =  \frac{adj.}{hypo.}

let \: θ = 36.9 \\ let \: adj. = 5 \\ let \: hypo. = CD

\cos(36.9  )  =  \frac{5}{CD}

CD \cos(36.9)  = 5

CD =  \frac{5}{ \cos(36.9) }

CD = 6.25 units\: (3s.f)

4 0
3 years ago
Just please answer ASAP thank
anzhelika [568]

Answer:

Each muffin= 1.5; Each quart of milk= 3

Step-by-step explanation:

Let m represent muffins and q quarts of milk, so

8m+2q=18

3m+1q=7.50

*solve*

3m+1q=7.5

    -1q    -1q

3m=-1q+7.5

/3     /3   /3

m=-1/3q+2.5

*replace for m*

8(-1/3q+2.5)+2q=18

-2 2/3q+20+2q=18

-2/3q+20=18

         -20 -20

-2/3q=-2

/-2/3  /-2/3

q=3

*replace to find m*

3m+1(3)=7.50

3m+3=7.5

      -3  -3

3m=4.5

/3     /3

m=1.5

*replace to verify*

8m+2q=18

8(1.5)+2(3)=18

12+6=18

18=18

3m+1q=7.50

3(1.5)+1(3)=7.5

4.5+3=7.5

7.5=7.5

8 0
2 years ago
Cindy has decided to lease a car. The lease includes a money factor of 0.0035. What
Stolb23 [73]

Answer: 1.3 is her interest rate hopefully I'm correct on this

4 0
3 years ago
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1.What is the simplified form of the following expression?
saul85 [17]

Answer:

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Step-by-step explanation:

7 0
3 years ago
HELPPPPP PLEASE!! ;)
zmey [24]

Answer:

its 2 8/11

Step-by-step explanation:

i hope this helps have a good day

3 0
3 years ago
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