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bogdanovich [222]
3 years ago
6

The absolute value of a number is added to the original number Kayla says the sum is always equal to 0 is she correct explain wh

y or why not
Mathematics
1 answer:
ZanzabumX [31]3 years ago
7 0
No she is not correct, because the absolute value of a number is its distance from zero on a number line. Therefore, you would take a number, say -1. The absolute value of this number is 1. So, add 1 and you would get 2. If I'm correct, 2 is not equal to zero. I hope this helps you out! ;) 
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kotykmax [81]
Seven hundred seventy thousand and seventy
5 0
3 years ago
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Jim ordered a sports drink and three slices of pizza for $8.50. His friend ordered two sports drinks and two slices of pizza for
kramer

Answer:

total is 16.50

Step-by-step explanation:

add 8.50+8.00

7 0
3 years ago
A clothing manufacturer uses the model a=f+4−−−−√−36−f−−−−−√ to estimate the amount of fabric to order from a mill. In the formu
Anit [1.1K]

Questions:

A clothing manufacturer uses the model a = √(f + 4) - √(36 - f) to estimate the amount of fabric to order from a mill. In the formula, a is the number of apparel items (in hundreds) and f is the number of units of fabric needed. If 400 apparel items will be manufactured , how many units of fabric should be ordered?

Answer:

32 units of fabrics

Step-by-step explanation:

Given

a = \sqrt{f + 4} - \sqrt{36 - f}

Required

Find f when a  = 4

Substitute 4 for a

4 = \sqrt{f + 4} - \sqrt{36 - f}

Rewrite as:

\sqrt{36 - f} + 4 = \sqrt{f + 4}

Square both sides

(\sqrt{36 - f} + 4)^2 = (\sqrt{f + 4})^2

(\sqrt{36 - f} + 4)^2 = f + 4

36 - f + 8\sqrt{36 - f} + 16 = f + 4

Collect Like Terms

8\sqrt{36 - f}= f +f+ 4 - 36 -16

8\sqrt{36 - f}= 2f -48

Divide through by 2

4\sqrt{36 - f}= f -24

Square both sides

16(36-f) = (f - 24)^2

16(36-f) = f^2 - 48f + 576

576-16f = f^2 - 48f + 576

-16f = f^2 - 48f

Collect like terms

f^2 - 48f + 16f = 0

f^2 -32f = 0

Factorize

f(f - 32) = 0

f = 0 or f = 32

f can not be 0 because some units must be ordered.

So, f = 32

6 0
3 years ago
Write the equation in exponential form. Assume that all constants are positive and not equal to 1.
algol13

Answer:

1.     16 = 4^2

2.    2 = {16}^{\frac{1}{4}}

3.    log_2 y=z

Step-by-step explanation:

1.\ log_2 16=4

Write in exponential form

Using the law of logarithm which says if

log_b A=x

then

A = b^x

By comparison;

A = 16; b = 2 and x = 4

The expression log_2 16=4 becomes

16 = 4^2

2.\ log_{16} 2=\frac{1}{4}

Write in exponential form

Applying the same law as used in (1) above;

A = 2; b = 16 and x = \frac{1}{4}

The expression log_{16} 2=\frac{1}{4} becomes

2 = {16}^{\frac{1}{4}}

3.\ 2^z=y

Write in logarithm form

Using the law of logarithm which says if

b^x =A

then

log_b A=x

By comparison;

b = 2; x = z and A = y

The expression 2^z=y becomes

log_2 y=z

3 0
3 years ago
1. Escribe dos semejanzas dadas en la estructura de la<br>circunferencia y la elipse.​
katen-ka-za [31]

<em>Un círculo es una forma curva cerrada que es plana. Es decir, existe en dos dimensiones o en un plano. En un círculo, todos los puntos del círculo están igualmente lejos del centro del círculo. Una elipse también es una forma curva cerrada que es plana.</em>

<em>~~Espero que esto ayude~~</em>

<em />

7 0
3 years ago
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