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4 years ago

Solve for x: -3(x + 3) = -3(x + 1) - 5.

Mathematics

1 answer:

joja [24]4 years ago

8 0

-3x - 9 = -3x -3 -5

This equation does not have any solution.

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7. Tyson obtained a loan from the bank at 7.5% simple interest for 2. 5 years. If the simple interest was

9966 [12]

Answer:

7.He borrowed $1853.33

8.She received $28990.936

Step-by-step explanation:

7.Let x be the amount borrowed by Tyson

Rate of interest = 7.5%

Time = 2.5 years

Simple Interest = 347.50

Formula : $Si = \frac{P \times T \times R}{100}$

Where SI = simple interest

P = Principal

T = Time

R = Rate of interest

Substitute the values in the formula :

$347.50=\frac{x \times 2.5 \times 7.5}{100}\\\frac{347.50 \times 100}{2.5 \times 7.5}=x\\1853.33=x$

Hence he borrowed $1853.33

8) Principal = 20000

Rate of interest = 9.5%

No. of compounds per year = 2

Time = 4 years

Formula : $A=P(1+\frac{r}{n})z^{nt}$

Where A= amount

r = Rate of interest

n = no. of compounds

t = time

Substitute the values in the formula :

So, $A=20000(1+\frac{9.5}{200})^{2(4)}$

A=28990.936

Hence she received $28990.936

8 0

3 years ago

Identify the value of x that makes each pair of ratios equivalent.

aleksley [76]

Answer:

c.1

Step-by-step explanation:

5: 15 x:3

a:b c:d The ratios have to stay in proportion. So if we multiply a and b by a certain number they will equal c and d. We just don't know what that number is yet. Call it something.

a* something = c and b* something =d

5 * something = x

15* something = 3

Solve for the unknown number we are multiplying by

Divide each side by 15

15/15 * something =3/15

something = 1/5

Now that we know what we are multiplying by, we can solve for x

So 5 * something = x

5* 1/5 = x

1 =x

7 0

3 years ago

yanalaym [24]

Answer:

$A=\pi \frac{d^2}{4}$

Step-by-step explanation:

The typical equation for the area of a circle is $A=\pi r^2$ . Since the answer choices are in terms of d, the diameter of the circle, you will need to find r in terms of d.