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Mrac [35]
4 years ago
15

Solutions for the linear systems 5x-2y=-48 and 2x+3y=-23

Mathematics
1 answer:
Serga [27]4 years ago
7 0
5x-2y=-48>>>>  Y=24-5/2X

2x+3y=-23>>>>  Y=-8-2/3X

Hope this helps!
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A cable tv provider charges a one time connection fee of $150 and $70 per month of service. A competitor charges the same connec
tester [92]

Answer:

do 150 times 70 then u get ur answer

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
For what value of a does 9=(1/27)^a+3
wlad13 [49]
Given: <span>9=(1/27)^(a+3)

[Note:  Please review rules of PEMDAS.  
The question posted as is means
</span><span>9=[(1/27)^a]+3 which is probably not what you mean.  It has been interpreted with (a+3) as the exponent, please check.]
</span><span>
Need to find value of a that satisfies above.

We will first isolate a in order to solve for its value.
</span>9=(1/27)^(a+3)
Switch unknown to the left
(1/27)^(a+3) = 9
Since both 27 and 9 are powers of 3, we can take log to base 3.
take log (base 3) on both sides, applying rule of logarithm of exponents.
(a+3)log_3(1/27)=log_3(9)
(a+3)log_3(3^(-3))=log_3(3^2)
Apply definition of logarithm [log_a(a^k)=k]
(a+3)(-3)=2
(a+3)=-2/3
a=-3 2/3=-11/3

Check: (1/27)^(-11/3+3)=(1/27)^(-2/3)=(3^(-3))^(-2/3)=3^(-3(-2/3))=3^2=9 ok

Answer: a=-11/3 or a=-3.667 (approx.)

7 0
4 years ago
Read 2 more answers
What is the range of this function?
iragen [17]

Answer:

[0, ∞)

0≤y<∞

Step-by-step explanation:

The range is the possible values that y can take

y  goes from 0 to positive infinity

[0, ∞)

0≤y<∞

4 0
3 years ago
Read 2 more answers
Farah made 28 out of 84 shots on a goal in a recent hockey season. Write her shots made out of shots attempted as a decimal
Fudgin [204]

Answer:

0.4375

Step-by-step explanation:

Number of shots attempted by Farah = 84

Number of shots made by Farah = 28

So,

Shots made out of shots attempted will be Equal to

                                                \frac{28}{64}

                                                 =  0.4375

Thus,

Number of shots made out of number of shots attempted for farah in hockey match equals to 0.4375 .

                               

6 0
4 years ago
Angles 1 and 2 are supplementary.
Phantasy [73]

Answer:

m∡1 + m∡2 = 180

Step-by-step explanation:

m∡1 + m∡2 = 180

This is because supplementary means they add up to 180°.

3 0
3 years ago
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