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Temka [501]
3 years ago
9

Solve the System by Substitution by X = 2y - 3 4x - 5y = -3 X= Y=

Mathematics
1 answer:
Arturiano [62]3 years ago
5 0
It’s simple you got to solve for x first then for y by substitute x for -3

Answers
X=-3
Y=-9
You might be interested in
Solve the following equations.<br> log6(x) = 1
Ksenya-84 [330]

Answer:

x = 6

Step-by-step explanation:

Given:

log₆(x) = 1

Now,

From the properties of log

logₓ (z)= \frac{\log(z)}{\log(x)}  (where the base of the log is equal for both numerator and the denominator)

also,

log(xⁿ) = n × log(x)

thus,

using the above properties, we can deduce the results as:

logₓ(y) = n is equivalent to y = xⁿ

therefore,

the given equation can be deduced as:

log₆(x) = 1

into,

x = 6¹

or

x = 6

7 0
3 years ago
If a tellemarketer made 200 phone calls and 35 customers signed up what is the relative frequency of getting a customer and not
Snezhnost [94]

Answer:

82.5% and 17.5%

Step-by-step explanation:

The telemarketer made 200 phone calls and only 35 people signed up. Therefore, we need to find the amount of people who didnt.

200 - 35 = 165

165 people did not sign up.

This meants that the frequency of getting a customer is 35/200 and not is 165/200. In percentages,

The relative frequency of not getting a customer is 82.5%

The relative frequency of getting a customer is 17.5%

6 0
4 years ago
Total vending machine sales were $2300 for the month of May. A 10% commission is earned in these sales.
bazaltina [42]

Answer:

Amount of commission = $230

Step-by-step explanation:

Given:

Total sales = $2,300

Commission percent = 10%

Find:

Amount of commission

Computation:

Amount of commission = Total sales x Commission percent

Amount of commission = $2,300 x 10%

Amount of commission = $230

7 0
3 years ago
(15 + 9) + 13 = 15+ (9 + 13)
egoroff_w [7]

Answer:

64 <em> </em><em>te</em><em> </em><em>quiero</em><em> </em><em>mucho</em><em> </em><em>ygrfrf7rttffrtx</em>

3 0
3 years ago
Substitution method need help for home work
Marizza181 [45]
-3y = x...so we sub in -3y for x in the other equation

-x + 7y = 70
-(-3y) + 7y = 70
3y + 7y = 70
10y = 70
y = 70/10
y = 7

so we sub in 7 for y in either of the original equations to find x
-3y = x
-3(7) = x
-21 = x

so ur solution is (-21,7)
6 0
3 years ago
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