1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mylen [45]
3 years ago
14

Is (2,-2) a solution to the following system of equations?

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
8 0

Answer:

yes?

Step-by-step explanation:

is this a true or false question

(its true)

Nana76 [90]3 years ago
8 0

Answer:

No

Step-by-step explanation:

Remark

No

If it was, the value for x should give you the same y in both cases. Try it out.

<u>First Equation</u>

y = -2x + 2

x = 2

y = -2*2 + 2 = -4 + 2 = - 2

<u>Second equation</u>

x = 2

y = 7*2 + 11

y = 14 + 11

y = 25

Conclusion

They are no where near being the same

You might be interested in
The mean percent of childhood asthma prevalence in 43 cities is 2.16%. A random sample of 31 of these cities is selected. What i
IceJOKER [234]

Probability that the mean childhood asthma prevalence for the sample is greater than 2.6% is 0.0357 or 3.57 %.

What is Probability ?

Probability is the measure of likelihood of an event.

For a Normal Distribution ,

the z-score formula is given by

\rm Z = \dfrac{X - \mu }{\sigma}

Here \rm \mu\\ is the mean and \rm \sigma\\ is the standard deviation .

It is the measure of the deviation of the data from its central tendency.

Each z-score has a probability value.

It is given in the question that

Mean of 2.16% =  \rm \mu\\ = 2.16

Standard deviation of 1.36% means that  \rm \sigma\\ = 1.36

For Sample of 31 the value of standard deviation is \rm s = \dfrac{\sigma}{\sqrt{n}}

s = 1.36/√31

s = 0.2442

Substituting the values

Z = (2.6 -2.16)/0.2442

Z =1.8

the p value from the graph of z and p , 0.9643

To determine value of probability  more than X is 1 - 0.9643= 0.0357

the

Probability that the mean childhood asthma prevalence for the sample is greater than 2.6% is 0.0357.

To know more about Probability

brainly.com/question/11234923

#SPJ1

6 0
2 years ago
Connor drove 340 miles on 8 gallons of gas. How many miles did his car travel per gallon of gas?
MrMuchimi

Answer:

42.5

Step-by-step explanation:

calculatour

5 0
3 years ago
Four times the difference of b and six is equal to b squared
Tcecarenko [31]

Answer:

4(b-6)=b^2

Step-by-step explanation:

The difference would mean that it is subtraction and you multiply that difference by 4 and set it equal to b squared

3 0
3 years ago
Describe this number line and the numbers and fractions shown.
Mariana [72]

Answer:

The number line goes from negative two to two.

The numbers shown by the number line (-2, -1, 0, 1 and 2) are all integers.

Between each pair of numbers, there are 4 equal segments, each one of 1/4 = 0.25 units length. Therefore we can locate, for example, 1.25, 0.5 and -0.75 at the number line.

6 0
4 years ago
Read 2 more answers
What is the value of x? <br> X=
brilliants [131]

Answer:

x=7

step-by-step explanation:

\frac{5}{40}  =  \frac{3}{2x + 10}

5(2x+10) =3×40

10x + 50 = 120

10x =120-50= 70

x = 70/10= 7

5 0
3 years ago
Other questions:
  • Given f(x) = abx + c. How would increasing the value of a change the graph?
    14·2 answers
  • What does an algebraic expression always have?
    14·1 answer
  • Please help me!! (Algebra)
    14·1 answer
  • Y=-4x-3 if the slope was changed to -.50,and the y intercept remained the same?​
    11·1 answer
  • A square is cut in half on the diagonal creating two equal triangles each triangle has an area of 0.72 square units what is the
    12·1 answer
  • What is the slope of a line that passes through the points (-2,3) and (4, -12)? -3/2 -2/5 -5/2 -9/2​
    6·1 answer
  • In which line is an error first made when solving the equation below? -18 = 19z -9
    10·1 answer
  • What is the slope ?simplify your answer and write it as a proper fraction ,improper fraction or interfere.
    11·2 answers
  • A cyclist estimates that he will bike 80 miles this week. He actually bikes 75.5 miles. What is the percent error of the cyclist
    12·1 answer
  • What is the product of 8.2 x 10^2 and 3.4 x 10^5
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!