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NeTakaya
3 years ago
9

What is the solution to the system of equations? Use the substitution method.

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
3 0
The answer is A. (3,-1/2)
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What is the inverse of the function f(x) = 2x + 1?
spin [16.1K]

Answer: X minus 1 over 2

Step-by-step explanation:

Use an inverse function calculator

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4 years ago
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Kim finish reading a book and 13.5 hours. He took Javis 845 minutes to read same book. Monica read the book and 49,500 seconds.
sesenic [268]
Put it all into the same measurement unit -
Kim: 48,600 seconds. (13.5*60=810, 810*60=48600)
Javis: 50,700 seconds. (845*60=50,700)
Monica: 49,500 seconds.

Kim finished the book first.
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3 years ago
What is 0.273 to 2 decimal places
Bumek [7]
It would be .27 since the last number is a 3 it cannot round the 7 to an eight. Since only 5 and up can round the number up
4 0
3 years ago
The sketch shows two parallel lines cut by a transversal. Angle 1 is 58°. What is the measure of angle 7?
hodyreva [135]
The complete question in the attached figure

we have that
m∠1=<span>58°
</span>m∠7=?
 we know that
m∠1+m∠3=180°------------> supplementary angles
and 
m∠3=m∠7--------------------> corresponding angles
then
m∠3=180°-m∠1-----------> m∠3=180°-58°=122°

m∠7=m∠3=122°

the answer is m∠7=122°


3 0
3 years ago
Read 2 more answers
If triangle STR ~ triangle PTQ, find QT
lana [24]

Answer:

QT = 45

Step-by-step explanation:

ST = 65

SP = 26

RQ = 30

QT = 4x - 3

Given that ∆STR is similar to ∆PTQ, therefore:

\frac{ST}{PT} = \frac{RT}{QT}

Plug in the values

\frac{65}{65 - 26} = \frac{30 + (4x - 3)}{4x - 3}

Solve for x

\frac{65}{39} = \frac{30 + 4x - 3)}{4x - 3}

\frac{5}{3} = \frac{27 + 4x}{4x - 3}

Cross multiply

5(4x - 3) = 3(27 + 4x)

20x - 15 = 81 + 12x

Collect like terms

20x - 12x = 81 + 15

8x = 96

Divide both sides by 8

x = \frac{96}{8}

x = 12

✅QT = 4x - 3

Plug in the value of x

QT = 4(12) - 3 = 48 - 3

QT = 45

3 0
3 years ago
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