2x+3y=53
3x-y=19
what are the values of x and y

Answer:

F(x)= 4x-1 I think so hope it will help you

 f(x) = −2x^2 + 12x − 16

I just took the test and it was right

Answer:

20 builders

Step-by-step explanation:

Answer: 20 builders.

Step-by-step explanation: For 10 builders to build a house in 20 days, the ratio is 1:2. For builders to build a house in 10 days, the ratio is x:10. You then cross multiply 1:2 and x:10. Then x=20 so 20 builders.

Answer: w

Step-by-step explanation:

Answer:

I see you are rolling a standard fair six-sided die twice. There are 6 equally likely outcomes on each roll of the die. Die Roll #1: P(Perfect square) =1/3 The winning outcomes are 1 and 4, this makes the fraction 2/6, which reduces to 1/3.

Step-by-step explanation:

PLEASE MARK ME AS BRAINLIEST

The probabilities for the following statements are:

a) 1/4

b) 1/18

c) 1/3

d) 1/12

e) 1/6

f) 1/36

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

We have,

The sample space for rolling a die twice.

= {1, 2, 3, 4, 5, 6 } x {1, 2, 3, 4, 5, 6}

= {(1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6), (2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6), (3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 6), (4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4, 6), (5, 1), (5, 2), (5, 3), (5, 4), (5, 5), (5, 6), (6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6) }

The number of possible outcomes.

= 36.

Now,

The number of outcomes where both are odd.

= { (1, 1), (1, 3), (1, 5), (3, 1), (3, 3), (3, 5), (5, 1), (5, 3), (5, 5) }

The probability that both are odd.

= 9/36

= 1/4

The number of outcomes where both are a perfect square.

= {1, 1), (4, 4) }

The probability that both are perfect squares.

= 2/36

= 1/18

The number of outcomes where the first is even and the second is less than 5.

= { (2, 1), (2, 2), (2, 3), (2, 4), (4, 1), (4, 2), (4, 3), (4, 4), (6, 1), (6, 2), (6, 3), (6, 4) }

The probability that where first is even and second, is less than 5.

= 12/36

= 1/3

The number of outcomes where the first is prime and the second is 6.

= { (2, 6), (3, 6), (5, 6) }

The probability where the first is prime and the second is 6.

= 3/36

= 1/12

The number of outcomes where both are the same.

= { (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6) }

The probability that both are the same.

= 6/36

= 1/6

The number of outcomes of at least 4 both times.

= {(4, 4)}

The probability that at least 4 both times.

= 1/36

Thus,

The probabilities for each statement are given above.

Learn more about probability here:

https://brainly.com/question/14099682

#SPJ2

Answer: 168

Step-by-step explanation:

Answer:

168

Step-by-step explanation:

159 bpm when he swims.

Answer:

-16

Step-by-step explanation:

-10 + 7/4p = -38  [multiply the entire equation by 4 to get rid of fraction]

-40 + 7p = -152 [add 40 to each side of equation]

7p = -112

p = -112/7 = -16

Answer:

5(3a+1+4p)

Step-by-step explanation:

Answer:

the answer is C because it's the only one that doesn't have any repeating x-values or repeating y-values.

D is incorrect because it's saying that no matter what the x-value is, the y-value will come out to be 6. that isn't a function

a function is when every x-value produces it's own y-value when plugged into the equation

Answer:

4

Step-by-step explanation:

2x = 8

x = 4

Answer: x=4

Step-by-step explanation:

2x = 8

x = 8/2

x = 4

Check: 2(4)=8

Answer:

Part A: D. [tex]3x+x=180[/tex]

Part B: Smaller angle [tex]=45^{\circ}[/tex], larger angle [tex]=135^{\circ}[/tex]

Explanation:

The term supplementary is used when the sum of two angles add to [tex]180^{\circ}[/tex].

Part A:

From the information given that the "angles are supplementary" and the "measure of one angle is 3 times the measure of the other", the equation to find for x can be written as:

[tex]3x+x=180[/tex]

Part B:

To find the measure of each angle, we can first find the measure of the smaller angle [tex]x[/tex]:

[tex]3x+x=180[/tex]

[tex]4x=180[/tex]

[tex]x=45^{\circ}[/tex]

[tex]\therefore[/tex] The smaller angle is [tex]45^{\circ}[/tex]

Since the measure of the larger angle is [tex]3[/tex] times the measure of the smaller angle:

Larger angle [tex]=3x[/tex]

[tex]=3(45)[/tex]

[tex]=135^{\circ}[/tex]

[tex]\therefore[/tex] The measure of the larger angle is [tex]135^{\circ}[/tex]

Hope this helps :)

Answer:

Shelly

Step-by-step explanation:

Answer:

D the four one is corret

Step-by-step explanation:

D

Answer:

Please be more clear and I might be able to help

Step-by-step explanation:

it is -23 I think

Step-by-step explanation:

(-5)+(-18)=-23

Answer: boat

Step-by-step explanation: the farthest it can go is weeks

Answer:

∠A =  115°

∠B =  65°

∠C =  115°

∠D =  65°

Step-by-step explanation:

The figure given is of parallelogram.

We need to find measure of each interior angle.

We are given:

∠A = (2x-15)°

∠B = x°

∠C = (2x-15)°

∠D = x°

We need to find measure of ∠A , ∠B, ∠C, ∠D

We know that sum of all angles of parallelogram = 360°

So, we can write: ∠A +∠B+ ∠C+ ∠D = 360°

Now putting their values and finding value of x first:

[tex]2x-15+x+2x-15+x=360\\Combining\:like\:terms:\\2x+x+2x+x-15-15=360\\6x-30=360\\6x=360+30\\6x=390\\x=\frac{390}{6}\\x=65[/tex]

So, we get x= 65

Now finding measure of each angle:

∠A = (2x-15)° = 2(65)-15 = 130-15 = 115°

∠B = x° = 65°

∠C = (2x-15)° = 2(65)-15 = 130-15 = 115°

∠D = x°= 65°

Answer is:

∠A =  115°

∠B =  65°

∠C =  115°

∠D =  65°

Answer:

Hey, Here is your Answer... Sister

Answer

y= 12x-64

Step-by-step explanation:

Answer:

Well X=8 in standard form is NaN or 8 * 10 to the power of 0

Answer:

v = 30 km/h

Step-by-step explanation:

Given that,

Distance covered by a car, d = 120 miles

Time, t = 4 hours

We need to find the speed of the car. The speed of an object is equal to the distance covered divided by the time taken. It can be given by :

[tex]v=\dfrac{d}{t}\\\\v=\dfrac{120\ \text{miles}}{4\ \text{hour}}\\\\v=30\ \text{mph}[/tex]

So, the speed of the car is 30 km/h.

Answer:

90+10x+5+4x+6x+5=360° (sum of angles in a quadrilateral)

20x=360-90-5-5

20x/20=260/20

x=13

Answer:

-2 < 12

Step-by-step explanation:

12 is bigger than -2.

Answer:

it would take 20 miles and cost 10 dollars.

Step-by-step explanation: Like up the equations so that 50x=40x+200. When you solve for x (number of miles) you find that x=20. Use 20 in either equation (0.5x or 0.4x+2) to get 10 (total cost).

Answer:

1

Step-by-step explanation:

you didnt put anything thier so im jsut guessing

Answer:

(-2,7)

Step-by-step explanation:

Answer:

Given AABC with coordinates A(2, 3), B(0, 6) and C(2, 6) b) Graph and ... c) Graph and label AA``B``C`` the image of AABC after D1/2. T2,4. R 180. D1/2.

Step-by-step explanation:

Given AABC with coordinates A(2, 3), B(0, 6) and C(2, 6) b) Graph and ... c) Graph and label AA``B``C`` the image of AABC after D1/2. T2,4. R 180. D1/2.

Answer:

slope- 2

y int- -5

Step-by-step explanation:

Answer:

3.11637

Step-by-step explanation

I got it right ayyy :p

Answer:

2 and 3 maybe?

Step-by-step explanation: