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Zina [86]
2 years ago
5

20 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
polet [3.4K]2 years ago
8 0

Answer:

Y = A/X

Step-by-step explanation:

divide x from xy, balance the equation by dividing x from a.

Licemer1 [7]2 years ago
8 0

Answer:

The correct option is C) Y equals A over X.

Step-by-step explanation:

Consider the provided equation.

A = XY

We need to solve the equation for Y.

For this isolate the variable Y.

To isolate the variable Y divided both the sides by X.

A = XY

\frac{A}{X} = \frac{XY}{X}

\frac{A}{X} = Y

Hence, the value of the equation for Y is \frac{A}{X} = Y.

Therefore, the correct option is C) Y equals A over X.

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How can I solve this?
SVETLANKA909090 [29]

Answer:

y is 70° and x is 40 °

Step-by-step explanation:

the triangle has two equal sides as shown on the diagram...so the next angle to 110° which is 70° is equal to y....then by calculation y + x should give us 110° so if y is 70 then x is 40.

6 0
2 years ago
Read 2 more answers
A garden table and a bench cost $781 combined. The garden table costs $69 less than the bench. What is the cost of the bench?
Arlecino [84]

Answer:

$425

Step-by-step explanation:

x = bench

x - 69 = garden table

x + (x - 69)=781

x + x - 69 =781

2x - 69 = 781

2x -69 +69 = 781 + 69

2x = 850

2x/2 = 850/2

x = 425

Bench = 425

6 0
3 years ago
Read 2 more answers
A 5 lb. bag of organic all-purpose flour costs $6.76. What is the unit price? _ per pound
Sonbull [250]

for 5 lb. bag = $6.76

so, for 1 lb. bag = 6.76/5 = $1.35

So, unit prize is $1.35 per pound.

7 0
2 years ago
Read 2 more answers
Type the correct answer in each box. (____)
trapecia [35]

Answer:

1. -16; 2. +64; 3. 16

Step-by-step explanation:

The formula for the volume of a cylinder is

V = πr²x

Data:

r = (x - 8)   mm

V = 1024π mm³

Calculations:

1. Find the cubic equation  

V = πr²h

1024π = π(x - 8)² × x

Divide each side by π

1024 = x(x - 8)²  

1024 = x(x² - 16x  + 64)

1024 =    x³ - 16x² + 64x

x³ - 16x² + 64x - 1024 = 0

2. Solve the cubic equation

The general formula for a third-degree polynomial is

f(x) = ax³ + bx² + cx + d

Your polynomial is  

f(x) = x³ - 16x² + 64x - 1024

a = 1; d = -1024

According to the <em>rational roots theorem</em>, the possible roots are

factors of d/factors of a

Factors of d = ±1, ±2, ±4, ±8, ±16, ± 32, ± 64, ±128, ±256, ±512, ±1024

Factors of a = ±1

Potential roots are x = ±1, ±2, ±4, ±8, ±16, ± 32, ± 64, ±128, ±256, ±512, ±1024

That's a lot of possibilities to check by trial and error. I will just use the one that works.

Try x = 16 by synthetic division.

16|1  -16   64  -1024

  <u>|     16     0   1024 </u>

   1     0   64        0

So,

(x³ - 16x² + 64x - 1024)/(x – 16) = x² + 64

and

(x - 16)(x² + 64) = 0

x - 16 = 0        x² + 64 =    0

     x = 16       x²         = -64

                       x          =  ±8i

There is only one real root: x = 16 mm

6 0
3 years ago
100 + 5 x 4 + 4^3<br><br> Don’t mind this .....
tatiyna

Answer:

184

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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