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neonofarm [45]
4 years ago
15

Please I really need help right now.

Mathematics
1 answer:
Lera25 [3.4K]4 years ago
3 0

Answer:


Step-by-step explanation:

apply the slope formula or point slope formula

(0,7) (5,4)=

(4-7)/(5-0)=-3/5

now that we have the slope -3/5 plug that into y=mx+b and solve for b (you can use any of the two points that were given for this part.

7=-3/5(0)+b

7=b

answer

y=-3/5x+7





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What is a property of an angle?
BigorU [14]
When to lines intersect they create four angles. Each angle is opposite to another and form a pair of what are called opposite angles. Angles a and c are opposite angles. Opposite angles are equal.
8 0
3 years ago
Capital Value An investment produces a perpetual stream of income with a flow rate of
Elodia [21]

Answer:

$30,000

Step-by-step explanation:

The capital value is given by

\int_{0}^{\infty} R(t) e^{-r t} dt

where R(t) is annual rate

r - annual rate of interest

capital value = \int_{0}^{\infty} 1200 e^{0.03t} e^{-0.07 t} dt

                      = lim at b tend to infinity\int_{0}^{b} 1200 e^{0.03t} dt

                      =lim at b tend to infinity \left [ \frac{1200}{-0.04} e^{-0.04 t} \right ]_0^b

-30,000 { lim at b tend to inifinity(e^{-0.04 b) = e^0]

Asb\rightarrow \infty,  e^{-0.04 b} \rightarrow 0

\int_{0}^{\infty} 1200 e^{0.03t} e^{-0.07 t} dt = -30,000(0 -1) =$30,000

6 0
4 years ago
The sales tax in mike's state is 6%. mike bought a jetta having a sales tax of $820. what was the cost of the vehicle? round to
Tems11 [23]
$13, 666.67
because you would do 820 divided by 0.06 and you get 13,666.6667 which you round to 13,666.67
6 0
3 years ago
Suppose that the handedness of the last fifteen U.S. presidents is as follows: 40% were left-handed (L) 47% were Democrats (D) I
xxTIMURxx [149]

Answer:

Mathematically, two events are considered to be independent if the following relation holds true,

∵ P(B | A) = P(B)

For the given case,

P(D | L) = P(D)

But

0.13 ≠ 0.47

Since the relation doesn't hold true, therefore, "being left-handed" and "being a Democrat are not independent events.

Step-by-step explanation:

We are given that

Left-handed = P(L) = 0.40

Democrats = P(D) = 0.47

If a president is left-handed, there is a 13% chance that the president is a Democrat.

P(D | L) = 0.13

Based on this information on the last fifteen U.S. presidents, is "being left-handed" independent of "being a Democrat?

Mathematically, two events are considered to be independent if the following relation holds true,

∵ P(B | A) = P(B)

For the given case,

P(D | L) = P(D)

But

0.13 ≠ 0.47

Since the relation doesn't hold true, therefore, "being left-handed" and "being a Democrat are not independent events.

3 0
3 years ago
20 POINTS HELPP PLEASE !!!! Given a mass of 24.0 g and a volume of 3.3 ml, calculate the density
ella [17]

Answer:

The answer is

<h2>7.27 g/mL</h2>

Step-by-step explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 24 g

volume = 3.3 mL

The density is

density =  \frac{24}{3.3}  \\  = 7.27272727...

We have the final answer as

<h3>7.27 g/mL</h3>

Hope this helps you

4 0
4 years ago
Read 2 more answers
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