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ss7ja [257]
3 years ago
15

Solve the system of nonlinear equations: 4x - y = 4 x^2 - y = -1

Mathematics
1 answer:
rjkz [21]3 years ago
6 0
(x1, y1) = (3,8)
(x2, y2) = (1,0)
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ANSWER NOW AND YOU GET 20 and ill answer one of ur questions
Lynna [10]

Answer: b now could u help with mines?

Step-by-step explanation:

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3 years ago
(a) Suppose one house from the city will be selected at random. Use the histogram to estimate the probability that the selected
vodka [1.7K]

Answer:

a.    0.71

b.    0.9863

Step-by-step explanation:

a. From the histogram, the relative frequency of houses with a value less than 500,000 is 0.34 and 0.37

-#The probability can therefore be calculated as:

P(500000)=P(x=0)+P(x=500)\\\\\\\\=0.34+0.37\\\\\\\\=0.71

Hence, the probability of the house value being less than 500,000 is o.71

b.

-From the info provided, we calculate the mean=403 and the standard deviation is 278 The probability that the mean value of a sample of n=40 is less than 500000 can be calculated as below:

P(\bar X

Hence, the probability that the mean value of 40 randomly selected houses is less than 500,000 is 0.9863

8 0
4 years ago
What is the equation of the graph ?
ZanzabumX [31]

Answer:

what graph

Step-by-step explanation:

4 0
3 years ago
Look at the given angle.
mylen [45]
Other ways are m<1, YFP and m<F.

The angle is an acute angle because it is less than a right angle (less than 90 degrees).
6 0
3 years ago
Read 2 more answers
Can someone help.
r-ruslan [8.4K]

Answer:

m∠C = 38°  (nearest whole number).

Step-by-step explanation:

To find the missing angle, use the Sine Rule.

<u>Sine Rule</u> (for angles)

\sf \dfrac{\sin A}{a}=\dfrac{\sin B}{b}=\dfrac{\sin C}{c}

where:

  • A, B and C are the angles
  • a, b and c are the sides opposite the angles

Given:

  • A = 53°
  • a = 18
  • c = 14

To find m∠C, substitute the given values into the formula and solve for C:

\implies \sf \dfrac{\sin 53^{\circ}}{18}=\dfrac{\sin C}{14}

\implies \sf \sin C= \dfrac{14 \sin 53^{\circ}}{18}

\implies \sf C= \sin^{-1} \left( \dfrac{14 \sin 53^{\circ}}{18}\right)

\implies \sf C= 38.40096301...^{\circ}

Therefore, m∠C = 38°  (nearest whole number).

Learn more about the sine rule here:

brainly.com/question/27089170

brainly.com/question/27704834

5 0
2 years ago
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