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Lapatulllka [165]

2 years ago

11

Gypsies outside Castle Dracula ruined Jonathan’s plan to send secret mail by turning his letter over to the Count. True False

1 answer:

olga2289 [7]2 years ago

3 0

Answer:

true

Step-by-step explanation:

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How to solve -4{1-2x}-1=7x

mina [271]

Answer:

<h2>x = 5</h2>

Step-by-step explanation:

$-4(1-2x)-1=7x\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\(-4)(1)+(-4)(-2x)-1=7x\\\\-4+8x-1=7x\qquad\text{combine like terms}\\\\8x+(-4-1)=7x\\\\8x-5=7x\qquad\text{add 5 to both sides}\\\\8x-5+5=7x+5\\\\8x=7x+5\qquad\text{subtract}\ 7x\ \text{from both sides}\\\\8x-7x=7x-7x+5\\\\x=5$

7 0

2 years ago

Read 2 more answers

If y/z=4/7, then z/y=

topjm [15]

Answer:

z/y = 7/4

Step-by-step explanation:

In y/z = 4/7, the numerator and denominator correspond with each other

So, y =4 and z = 7

5 0

2 years ago

A business person invested $3600.00 in stock .When he sold the stock he made $30.00 in profit for each share of stock he purchas

Usimov [2.4K]

Given that the total profit is <u>$2400.00</u> and he made <u>$30.00</u> in profit for each share.

Number of shares = $2400 ÷ 30 = 80

Answer: He bought 80 shares

5 0

2 years ago

What is the exact value of x? 5⋅21^5x=16

IRINA_888 [86]

Answer:

x= 16 /20420505

Step-by-step explanation:

Let's solve your equation step-by-step.

5(215)x=16

Step 1: Simplify both sides of the equation.

20420505x=16

Step 2: Divide both sides by 20420505.

20420505x /20420505 = 16 /20420505

x= 16 /20420505

4 0

2 years ago

Describe the effect an increase in i, the interest rate applied to the present value, has on the monthly payment P in the formul

VARVARA [1.3K]

Answer:

B. An increase in i, the interest rate, will create an increase in P, the monthly payment.

Step-by-step explanation:

We have the formula for the monthly payment as,

$P=\frac{i \times PV}{1-(1+i)^{-n} }$ ,

where P = monthly payment, i = rate of interest, PV = present value and n = time period.

Now, as i increase we get that (1+i) increases and so $(1+i)^{n}$ increases.

This gives us that, $\frac{1}{(1+i)^{n} }$ decreases and so $1-\frac{1}{(1+i)^{n}}$ decreases

Therefore, $\frac{1}{1-(1+i)^{-n} }$ increases.

So, we get that as i increases , the value of P will increase.

Hence, option B is correct.

4 0

2 years ago

Read 2 more answers