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3 years ago

Negative 15 divided by 3

Mathematics

2 answers:

vazorg [7]3 years ago

6 0

It is negative five cause 15÷3=5 but its negative so it is nehative 5

Serga [27]3 years ago

3 0

-5 because a negative and a postive equal a negative. I hope this is correct.

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Given f(x) = − 5x + 1 , what is the value of f(5.5)

LUCKY_DIMON [66]

Answer:

f(5.5) = -26.5

Step-by-step explanation:

f(5.5) = -5x+1

f(5.5) = -5(5.5) +1

f(5.5) = -26.5

3 0

3 years ago

The formula A equals =P left parenthesis 1 plus r right parenthesis squared (1+r)2 gives the amount A in dollars that P dollars

vlabodo [156]

The interest rate is 3.5%.

EXPLANATION

We substitute the given values into the formula;

$A=P(1+\frac{r}{100})^t$

to obtain

$6427.35=6000(1+\frac{r}{100})^2$

We divide through by 6000 to obtain,

$\frac{6427.35}{6000}=(1+\frac{r}{100})^2$

This implies that,

$1.071225=(1+\frac{r}{100})^2$

We take the square root of both sides,

$\sqrt{1.071225}=(1+\frac{r}{100})$

This gives us,

$1.035=(1+\frac{r}{100})$

Add -1 to both sides of the equation to obtain

$0.035=\frac{r}{100}$

Multiply through by 100 to obtain;

$r=3.5$ %

$Therefore the rate is 3.5%$

3 0

3 years ago

Given: 3x+7+2(4x+1) = 3(x-1) -4 prove: x=-2

denis23 [38]

Answer:

x = -2, proven below.

Step-by-step explanation:

3x + 7 + 2(4x+1) = 3(x-1) - 4

3x + 7 + 8x + 2 = 3x - 3 - 4

9 + 11x = 3x - 7

16 + 11x = 3x

16 = - 8x

-2 = x

7 0

3 years ago

Javier is helping his parents put up posters in their movie theater. Each Poster has a thickness 0.012 inch. How thick is a stac

lions [1.4K]

Answer:

10 posters are .12 and 100 are 1.2 inches 1000 posters are 12 inches.

Step-by-step explanation:

.012×10=.12 in

For every 0 in the ten move the decimal back 1.

.012×100=1.2 in

.012×1000=12 in

5 0

3 years ago

Explain this to me? Worth 25 pts

ycow [4]

I believe it is going to be 60

7 0

3 years ago