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AfilCa [17]
3 years ago
5

What is the value of F in the formula F=9/5C+32 when C=30?

Mathematics
2 answers:
kherson [118]3 years ago
8 0
I don't know i think is C
Anni [7]3 years ago
5 0

Answer:

111.6

Step-by-step explanation:

F = 9/5 ( c+32)

C= 30

Then F= 9/5 (30 + 32)

= 9/5 x 62

= 1.8 x 62

= 111.6 degrees Fahrenheit

But this answer is not in your options provided

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On monday it took 5 builders to 3 1/2 hours to build a wall
zubka84 [21]

Answer:   £ 81.38

Step-by-step explanation:

Given: On Monday,

5 builders took 3\dfrac{1}{2} hours  ( i.e. \dfrac{7}{2} hours )  to build a wall.

On Tuesday, only 2 builders were available.

As workers are inversely proportional to the time if the job remains constant.

Inverse variation equation : x_1y_1=x_2y_2

Let x be the time taken by 2 builders, then

2\times x =5\times \dfrac{7}{2}

\Rightarrow\ x=\dfrac{35}{2}\times\dfrac{1}{2}=\dfrac{35}{4}=8.75

So, 2 builders will take 8.75 hours.

Each paid  £9.30 for each hour.

Then, each builder will be paid for the work completed on Tuesday = £9.30 x  8.75

≈ £ 81.38

Hence, each builder will be paid £ 81.38 for the work completed on Tuesday .

5 0
3 years ago
4/7 (2c + 9) = 3/7<br> (the / means a fraction)
xenn [34]

Answer:

C=-33/8

Step-by-step explanation:

Hope I helped

Do u want a step by step explanation?

5 0
3 years ago
How many oz of nuts are there in a box that holds 3.2 pounds
melisa1 [442]

Answer:

51.2 oz

Step-by-step explanation:

Stoichiometry

3.2 lb x 16 oz

          ÷ 1 lb      =51.2 oz

3 0
3 years ago
f three parallel lines are cut by a transversal and one angle is measured to be 90°, what can be said of the remaining angles?
7nadin3 [17]

Answer:

they will all add up to 360 degrees


Step-by-step explanation:


4 0
3 years ago
Given g(x) = 2x + 5, find g(1)
saul85 [17]

Answer:

g(1) =7

Step-by-step explanation:

g(x) = 2x + 5

Let x=1

g(1) = 2(1) +5

      = 2+5

       =7

4 0
3 years ago
Read 2 more answers
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