x y
-4 -7
-3 -12
-2 -15
-1 -16
0 -15
1 -12
2 -7

Which equation is the BEST fit for the data in the table?
A) y = -5x – 27
B) y = x2 – 15
C) y = x2 + 2x – 15
D) y = x2 + 4x – 11

Answer:

5 years old.

Step-by-step explanation:

Let's call Jada's current age "J" and the babysitter's current age "B".

From the information given, we know:

B = J (Jada's babysitter is J times Jada's current age)

J + 5 = B (In 5 years, Jada will be her babysitter's current age)

By substituting the first equation into the second equation:

J + 5 = J

5 = J

Therefore, Jada is currently 5 years old.

Answer:

Step-by-step explanation:

its says about so can i be bigger than 8

This is a system of three equations with two unknowns, x and y. To solve it, we can use the method of elimination. First, we can eliminate y by subtracting the first equation from the second equation:

x^2-2y=3 - (x-2y=3) => x^2-x=0

Then we can factor the resulting equation and find the values of x:

x^2-x=0 => x(x-1)=0 => x=0 or x=1

Next, we can substitute these values of x into any of the original equations and find the corresponding values of y. For example, using the first equation:

x-2y=3 => 0-2y=3 => y=-3/2 when x=0 x-2y=3 => 1-2y=3 => y=-1 when x=1

Finally, we can substitute these values of x and y into the expression x2y-2xy2 and evaluate it:

x2y-2xy2 => 02(-3/2)-2(0)(-3/2)2 => 0 when x=0 and y=-3/2 x2y-2xy2 => 12(-1)-2(1)(-1)2 => -3 when x=1 and y=-1

Therefore, the value of x2y-2xy2 can be either 0 or -3 depending on the values of x and y.

Answer:

9

Step-by-step explanation:

Answer:

9

Step-by-step explanation:

Option (C) Infinitely many solutions

The percent of people of the people surveyed were satisfied with the car is  the percent of people of the people would buy that type of car again, so we have:  2015 ÷ 3100 × 100% = 65%

ANSWER: 65%

Ok done. Thank to me :3

Answer:

2015 / 3100%= 65%

Step-by-step explanation:

You could never tell how many people there are in this world. So that is why the 3100 should have a percentage which is divided by 2015, equals 65%.

2 ⇒ 1

3 ⇒ 3

4 ⇒ 2

5 ⇒ 1

6 ⇒ 3

7 ⇒ 5

8 ⇒ 2

9 ⇒ 4

10 ⇒ 0

11 ⇒ 2

12 ⇒ 2

Hope my answer helps you✌️

Mark BRAINLIEST

Answer:

J' (-2, 2.5), K' (1, 2.5) L' (1, -2.75)

Step-by-step explanation:

With a scale factor of 1/2=.5 you can simply multiply all coordinates by .5 (or divide by 2)

J (-4,5) x 1/2= (-2, 2.5)

K (2,5) x . 5 = (1, 2.5)

L (2, -5.5) /2= (1, 2.75)

Negative 3, negative 2.4, negative 1.5, negative 2 and one-fourth, negative 1 and one-eighth

Hope my answer helps you✌️

Answer: .28, .16, 0, .34

Step-by-step explanation:

Answer:

61440

Step-by-step explanation:

2^16 - 2^12

= 65 536 - 4096

61440

Answer:

12 and 78 are complementary.

80 and 100 are supplementary.

50 and 50 are neither.

Step-by-step explanation:

Hope it helps! =D

Answer:

Step-by-step explanation:

12x^2y^3-36x^5y^3-48x^4y4

factor out 12

12(x^2y^3-3x^5 y^3 - 4x^4 y^4

consider X^2 y^3 - 3x^5 y^3

4x^4 y^4 Factor out x^2y^3

x^2 y^3 (1-3x^3 -4x^2 y)

Rewrite the complete factored expression

12x^2 y^3 (1-3x^3-4x^2y)

Answer:

$7000

Step-by-step explanation:

This problem seems scary at first sight, but don't be intimidated. It is actually pretty simple.

The column of equations (starting with 0.1d) at the right of T(d) is a list of option based on d, the taxable income. If d is less than or equal to (≤) 9875, than the equation is T(d) = 0.1d.

It shows that Noam has 90000 dollars for d, or the taxable income, and Betty has 120000 dollars.

Now, let's find the equations by plugging in 90,000 for d first.

90,000 is greater than 85, 526 and less than 163,300 (85, 526 ≤ 90,000 ≤ 163300).

Then we plug in 120,000 dollar to find the corresponding equation.

120000 is greater than 85, 526 and less than 163, 300 (85, 526 ≤ 120,000 ≤ 163300).

So the chosen equation is:  

T(d) = .24( d -85525) + 14605.5

Plug in the Noam's number for d

T(d) = .24(90,000 - 85, 525) + 14, 605.5

T(d) = .24(4475) + 14,605.5

T(d) = 1074 + 14,605.5

T(d) = 15, 679.5

Now Plug in Betty's number for d

T(d) = .24 (120,000 - 85, 525) +14, 605.5

T(d) = .24( 34475) + 14, 605.5

T(d) = 8274 + 14, 605.5

T(d) = 22, 879.5

We are finding how much more tax does Betty pay, so we subtract               15, 679.5 from 22, 879.5.

22, 879.5 - 15, 679.5 = 7200

Betty pays $7000 more tax than Noam does.        

Answer:

155α+81

Step-by-step explanation:

There are two rectangles:

1

area₁ =- (15α+8)(7) = 15α*7 + 8*7 = 105α+56

2

area₂ = (10α+5)(12-7) = (10α+5)(5) = 10α*5 + 5*5 = 50a + 25

Total area = area₁ + area₂

Total area = (105α+56)+(50α+25)

Total area = 105α + 50α + 56 + 25

Total area = 155α + 81

The correct answer is (D) -2x - 8.

To simplify the expression -1/3 ( 6x + 15 ) - 3, we can first apply the distributive property to the term in parentheses:

-1/3 ( 6x + 15 ) - 3 = -1/3 * 6x - 1/3 * 15 - 3

Then we can simplify using the properties of multiplication and division:

-1/3 * 6x - 1/3 * 15 - 3 = -2x - 5 - 3

Finally, we can combine like terms:

-2x - 5 - 3 = -2x - 8

The correct answer is therefore (D) -2x - 8.✅

Answer:

(10t + u)(10u + t) = 4,930

100tu + 10t^2 + 10u^2 + tu = 4,930

101tu + 10t^2 + 10u^2 = 4,930

10t^2 + (101u)t + (10u^2 - 4,930) = 0

(101u)^2 - 4(10)(10u^2 - 4,930)

= 10,201u^2 - 400u^2 + 197,200

= 9,801u^2 + 197,200

We see that u = 5 gives 442,225.

√442,225 = 665

(10t + 5)(50 + t) = 4,930

500t + 10t^2 + 250 + 5t = 4,930

10t^2 + 505t - 4,680 = 0

2t^2 + 101t - 936 = 0

t = (-101 + √(101^2 - 4(2)(-936)))/(2×2)

= (-101 + √17,689)/4

= (-101 + 133)/4 = 32/4 = 8

So the numbers are 58 and 85.

58 + 85 = 143

Answer:

C

Step-by-step explanation:

Constant proportionality is measured by y. In this case it would be 25.

The constant of proportionality shown in the linear function is option C. 25

I think

I not I'm so sorry

it's been a while since I've done concepts of proportionality

Answer: 84

Step-by-step explanation:

\(4^{3} = 64\) and 4 × 5 =20

64 + 20 = 84

please give me a brainliest answer

Answer:

B) 84

Step-by-step explanation:

4^3 + 4 x 5

(4 x 4 x 4) + (4 x 5)

64 + 20

84

Hope this helps! Pls give brainliest!

Answer:

$360

Step-by-step explanation:

Answer:

False

Step-by-step explanation:

N/A

Answer: (-7,5) and (-3,5) :) there for answer is A

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

Answer:

C. 1.22

Step-by-step explanation:

It is more than 1.2, and less than 1.4

I hope this helps!

pls ❤ and mark brainliest pls!

Answer:

That would be 1.22 in between 1.2 and 1.4

Step-by-step explanation:

i have none step by step but if it helps

Answer:

I think b and c is correct

Answer:

Step-by-step explanation:

QUESTION 7:

We are trying to find angles 1 and 2.

Known angle: 107˚.

In this question, we have 2 parallel lines with a transversal. A transversal is a line that passes through 2 parallel lines making it so that the angles on both sides are exactly the same.

Step 1: Find the measures of all the angles using the one we already know.

I will start with the angle adjacent (right next to) the angle that measures 107˚. As you can see, it is a supplementary angle because both of them form a straight line, or 180˚.

Therefore,

107+x= 180

x= 180-107

x= 73˚

Next, I will find the measure of the angle that is vertical to the one that measures 107˚. Note that angles that are vertical to each other are always identical, or in other words they have the same measure. Hence, the angle "vertical", or opposite to the one that measures 107˚ has to measure 107˚ as well.  You can also tell this is true because they look the same.

Now I'll find the measure of the angle vertical to the one that measures 73˚. As we know, vertical angles are identical, so the one vertical to it is 73˚.  

Here, I'll solve for angles 1 and 2. Like I said earlier, when a transversal crosses through 2 parallel lines, there will be 2 sets of angles that all have the same measurements.  

To solve for angle 1, simply know what angle is right below it, and that is the one that measures 107˚. (If you look at the 2 lines, you will see that both angle sets are essentially duplicates of each other.) Likewise, angle 2 has to be 73˚ because the one under it is also 73˚.

Angle 1: 107˚

Angle 2: 73˚

QUESTION 8:

Again, we have a transversal that passes through 2 parallel lines. One angle measures 95˚.  When there are 3 seperate angles along a straight line,  the one next to the one with the given measurement will be the same as that one.

So angle 3 is 95˚. To find angle 4, find the angle measurement that's vertical to angle 3, which is 95˚. Now, since that angle and angle 4 are supplementary (both form a straight line which is always 180˚), 95+x= 180.

(x stands for angle 4)

x+95= 180

x= 180-95

x= 85

Angle 4= 85˚.

QUESTION 9:

ANGLE 5: 49˚

When there is a transversal, there are 2 identical pairs of angles. Therefore, angle 5 must be 49˚.

ANGLE 6: 131˚

angle 5 and angle 6 form a straight line which means they are supplementary angles. Therefore, both angles must add up to 180˚. So 49+x= 180

x= 180-49= 131

(x stands for angle 6)

Hope this helps!! Also I worked pretty hard on this so brainliest would be appreciated :D

Practice problems if it helps :) : https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-angles-between-lines/e/parallel_lines_1

Answer:

c. 13 weeks

Step-by-step explanation:

365-40=325 (to find what she needs to make)

325/25=13 (how long the amount she makes a week will take to finish the cost of the ticket.)

Answer:

Mode=32

Mean=32

Median=32

Step-by-step explanation:

Mode=highest frequency

Mode=10

Mean=£fx

£f

Mean=1280

40

=32

Median=n/2

=40/2

=20

median=32

Answer:

40 ÷ 1

Step-by-step explanation:

Speed = Distance : Time

Speed = 40 ÷ 1

To convert the fraction 2/4 to a decimal, we can perform the division 2 divided by 4 using long division or mental math.

2 ÷ 4 = 0.5

Therefore, 2/4 as a decimal is 0.5.