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g100num [7]
3 years ago
13

Need help ASAPPPP PLSSSSS

Mathematics
2 answers:
myrzilka [38]3 years ago
5 0

Answer:

(2, -1)

Step-by-step explanation:

Using a system of elimination is easy:

Bring the two equations up.

-6x + 9y = -12\\8x - 9y = -8\\

Since we have 9y and -9y, they cancel each other out.

We now have:

-6x = -12\\8x = -8\\

Now solve for x.

1. x = 2

2. x = -1.

Hope this helped...

...and surprised I'm not stealing points?

Andreyy893 years ago
3 0
(-10,-8) srry if I’m late to this but hope you pass?
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A company hired 15 new employees. They want to randomly assign 4 of them to work in the graveyard shift. In how many ways can th
____ [38]

Answer:

This assignment can be made in 1365 ways.

Step-by-step explanation:

The order in which the shifts are assigned is not important. For example, employees A, B, C, D and D,C,B,A being assigned is the same thing. So, we use the combinations formula to solve this question.

Combinations Formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

Assignment of 4 employees, from a set of 15. So

C_{15,4} = \frac{15!}{4!(15-4)!} = 1365

5 0
3 years ago
Please Help, What is the value of x?
Olenka [21]
The triangles are simiar by AAA, so
\dfrac{x}{4\,cm}=\dfrac{40\,cm}{32\,cm}\\\\x=(4\,cm)\cdot\dfrac{40}{32}\\\\x=5\,cm
6 0
4 years ago
A parachutist's rate during a free fall reaches 165 feet per second. What is this rate in meters per second? At this rate, how m
Fiesta28 [93]
Assuming that:

1
m
=
3.3
f
t
1m=3.3ft

We can make the conversion from feet per second to meters per second with this procedure:

(
165

f
t
s
)
(
1

m
3.3

f
t
)
=
50

m
s
(165
s
ft
​
)(
3.3 ft
1 m
​
)=50
s
m
​

​
Let
x
x be the amount of meters the parachutist will fall during 15 seconds of free fall

Having that in 1 second the parachutist falls 50 meters, we can calculate
x
x :

x
=
(
50

m
s
)
(
15

s
)
​
x=(50
s
m
​
)(15 s)​


x=750 m
​
3 0
3 years ago
On a graphing calculator, you can use the function normalcdf(lower bound, upper bound, μ, σ) to find the area under a normal cur
larisa86 [58]

Answer:

99.87% of cans have less than 362 grams of lemonade mix

Step-by-step explanation:

Let the the random variable X denote the amounts of lemonade mix in cans of lemonade mix . The X is normally distributed with a mean of 350 and a standard deviation of 4. We are required to determine the percent of cans that have less than 362 grams of lemonade mix;

We first determine the probability that the amounts of lemonade mix in a can is less than 362 grams;

Pr(X<362)

We calculate the z-score by standardizing the random variable X;

Pr(X<362) = Pr(Z

This probability is equivalent to the area to the left of 3 in a standard normal curve. From the standard normal tables;

Pr(Z<3) = 0.9987

Therefore, 99.87% of cans have less than 362 grams of lemonade mix

4 0
4 years ago
What is the third measure of a triangle who’s angles are 37 and 61
Makovka662 [10]

Answer:

37+61+x=180

98+x=180

x=180-98

x=82°

the third angle is 82°

7 0
4 years ago
Read 2 more answers
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