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fgiga [73]
3 years ago
11

Help with formulas and explain

Mathematics
1 answer:
Vlad [161]3 years ago
6 0

A. T. S.A =2* AREA OF TRIANGLE +PREIMETER*5.56

VOLUME=AREA OF *LENGTH[ 5.56]

B. T. S. A=πR{R + SLANT HIGHT }

VOLUME=1/3*π*R*HIGHT{ 7 }

volume of a sphere is 3 by 4 by R cube and surface area of a sphere is 4 Pi R Square

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Bas_tet [7]

Answer:

2H2S (g) + 3O2 (g) → 2H2O (l) + 2SO2 (g)

Calculate ΔH° from the given data. Is the reaction exothermic or endothermic?

ΔH°f (H2S) = -20.15 kJ/mol; ΔH°f (O2) = 0 kJ/, mol; ΔH°f (H2O) = -285.8 kJ/mol; ΔH°f (SO2) = -296.4 kJ/mol

5 0
2 years ago
Read 2 more answers
The equations 4 x minus 5 y = 5, 3 x + 10 y = 20, 4 x minus 5 y = negative 5, and 3 x + 10 y = negative 20 are shown on the grap
Ivahew [28]

Answer:

4 x minus 5 y = negative 5 and 3 x + 10 y = negative 20

Step-by-step explanation:

The equations

4 x - 5 y = 5 (red)

3 x + 10 y = 20 (blue)

4 x - 5 y = -5 (green)

3 x + 10 y = -20 (purple)

are shown in the picture attached. As we can see there, the point (–2.7, –1.2) is on the intersection of the purple and green lines. Therefore is the solution of the system:

4 x - 5 y = -5

3 x + 10 y = -20

4 0
3 years ago
Read 2 more answers
-7,-12,-17,-22,-27 find the nth term
Bess [88]

Answer:

-2 - 5n

Step-by-step explanation:

-7, -12, -17, -22, -27.....

Arithmetic Sequence

first term a = -7

difference = d = -12 - (-7) = -12 + 7 =  (-5)

nth term = a + (n-1)d

              =  -7 + (n-1)*(-5)

              = -7 + (-5)*n -1 * (-5)

             = -7 - 5n + 5

            = -2 - 5n

6 0
3 years ago
You are choosing between two health clubs. Club A offers membership for a fee of $28 plus a monthly fee of $24. Club B offers me
Schach [20]

Answer:

The cost will be the same after 1 month

Step-by-step explanation:

Step 1: set up the equation

club A= 28x+24  club B= 35x+17

club A=club B: 28x+24=35x+17

Step 2: Get rid of the smallest X

28x+24=35x+17

-28         -28

24=7x+17

Step 3: Get rid of the constant next to the variable to isolate the variable

24=7x+17

-17       -17  

7=7x

Step 4: Inverse operation to remove variable

7÷7x=7x÷7x

1=1

I hope this helped, im not too good at explaining but im positive the solution is correct.

3 0
3 years ago
A dilation produces a smaller figure. Which is a possible scale factor?
iragen [17]
We know that
if a <span>dilation produces a smaller figure
then
 0< scale factor <1
so
case A) -2------> the scale factor must be a positive number
case B) 1/3----> 0< 1/3 <1---> i</span><span>s a possible scale factor
case C) 1------> this scale factor does not not produce a smaller figure, </span><span>it produces the same figure
case D) 4----> this scale factor produces a larger figure

the answer is
1/3</span>
5 0
3 years ago
Read 2 more answers
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