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3 years ago

A cell phone is on sale for $205 after a 20% off discount. What was the original price of the phone?

Mathematics

1 answer:

Leni [432]3 years ago

7 0

Answer:

256.25

Step-by-step explanation:

if you have a 20% discount then you are paying 80% if the original cost.

so 80% of the original price is 205

.80x = 205

x = 205/.80

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Your parents took your family out to dinner. Your parents wanted to give the waiter a 18% tip. If the

never [62]

Answer:

Tip: $9.36 Total: $61.36

Explanation:

52 x 18%

= 52 x 0.18

= 9.36

9.36 + 52 = 61.36

4 0

3 years ago

Part A: If (2^6)^x = 1, what is the value of x? Explain your answer. (5 points)

vladimir1956 [14]

Answer:

0,1,-1

Step-by-step explanation:

$(2^6)^x=1\\(2)^{6x}=1=2^0\\6x=0\\x=\frac{0}{6}=0$

$(5^0)^x=1\\5^0=1\\1^x=1\\x=0,1,-1\\1^0=1\\1^1=1\\1^{-1}=\frac{1}{1^1}=\frac{1}{1}=1$

5 0

3 years ago

I know it's a lot but, please help me, I begging you, ur my only hope!!!

IRISSAK [1]

2. a) absolute values for the slopes

y = mx + c

3/4, 9,-11, -1 = 3/4, 9,11, 1

the higher the slope, the steeper the graph. 11 is high,

y = -11x - 5

b) 1/4,3,-3/4,-8 = 1/4,3,3/4,8

smaller value is 3/4

the least steep graph will be in,

y = -3/4x + 7

c) 6,2,1, 1/2

1/2 is the smallest value.

y = 1/2x + 6

d) It would be less steep.

e) It would be shifted down.

f) y = -8x - 3

g) y = 1/4x + 9

h) y = 3x - 1

i) y = -5x - 10

3 0

3 years ago

Which expression is equivalent this expression?

lord [1]

Answer:

2x² + 3x

Step-by-step explanation:

Using distributive property, you can multiply the variable outside the parenthesis to both terms inside the parenthesis:

x(2x + 3) = 2x(x) + 3(x) or 2x² + 3x

When multiplying with the same base, you will add the exponents.

6 0

3 years ago

Find the measure of line segment TU. Assume that lines which appear to be tangent to the circle are tangent.

Sedaia [141]

Given:

A figure of a circle. A secant SU and a tangent SR is drawn to the circle from the external point S.

To find:

The measure of the line segment TU.

Solution:

According to the secant tangent segment theorem, the square of tangent is equal to the product of secant and external segment of the secant.

Using secant tangent segment theorem, we get

$SR^2=SU\times ST$

$(40)^2=(32+2x-2)\times (32)$

$1600=(30+2x)(32)$

$1600=960+64x$

Subtract both sides by 960.

$1600-960=64x$

$640=64x$

Divide both sides by 64.

$\dfrac{640}{64}=x$

$10=x$

Now, the measure of the line segment TU is:

$TU=2x-2$

$TU=2(10)-2$

$TU=20-2$

$TU=18$

Therefore, the correct option is C.

6 0

3 years ago