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valina [46]
3 years ago
5

PLEASE HELP ME!!

Mathematics
2 answers:
timama [110]3 years ago
7 0

Answer:

earns 56% of families in country

jeyben [28]3 years ago
4 0

Answer:

  • (a) Both the Aoki family and the Alexander Family earn more than the median income
  • (b) The Aoki family earns about 56% of the highest income in the country

Step-by-step explanation:

56th percentile and 78th percentile are both above the 50%

For the first question the answer is B, both the families earn more than half of the population.

For the second question the answer is C, the Aoki family is at 56th percentile, which means its position is top 56%, not more or less

You might be interested in
Write an equation of a line that passes through (-6, 1), parallel to y = 2x – 6.
Eddi Din [679]

Answer:

y = -1/2x - 2

Step-by-step explanation:

If it's parallel, that means that the slope is the opposite of the one in the given equation, meaning that 2 would be flipped and turned negative into -1/2.

Then, fill in the x and y values to get the y-intercept.

1 = -1/2(-6) + b

1 = 3 + b

-2 = b

So your answer is y = -1/2x - 2

4 0
3 years ago
Find the domain of (x,y) → (x + 7, y - 9) with R = {(-3, -14)​
MA_775_DIABLO [31]

Answer:

Step-by-step explanation:

x+7=-3

x=-3-7=-10

x=-10

y-9=-14

y=-14+9

y=-5

Domain of (x,y)=(-10,-5)

4 0
3 years ago
I NEED HELP PLEASE THANKS
Simora [160]

Answer:

D. Reflect across the x-axis, then shift 4 units up

Step-by-step explanation:

In this case, reflecting across the x-axis just means going 4 units down. To go back up, go 4 units up.

8 0
3 years ago
Define an exponential function, h(x), which passes through the points (1,16) and(5, 1296). Enter your answer in the form axb^xh(
Lerok [7]

Define an exponential function, h(x), which passes through the points (1,16) and

(5, 1296). Enter your answer in the form axb^x

the equation is of the form

y=a(b)^x

we have

point (1,16)

so

For x=1, y=16

substitute

\begin{gathered} 16=a(b)^1 \\ 16=a\cdot b \end{gathered}

isolate the variable a

a=\frac{16}{b}

Point (5,1296)

For x=5, y=1,296

substitute

1,296=a(b)^5

substitute equation 1 in equation 2

1,296=(\frac{16}{b})\cdot b^5

solve for b

\begin{gathered} \frac{1296}{16}=b^4 \\ b^4=81 \\ b=3 \end{gathered}

Find the value of a

a=16/3

therefore

the equation is

y=\frac{16}{3}\cdot(3)^x

see the attached figure to better understand the problem

6 0
1 year ago
Can you help me please!
Lostsunrise [7]

9514 1404 393

Answer:

  Lanza is correct.

Step-by-step explanation:

The two missing dimensions on the left are 4.5 m on the vertical line, and 5 m on the horizontal line.

These dimensions let us partition the garden a number of ways. One way is ...

  • a rectangle 9 m by 4.5 m
  • a rectangle 4 m by 3.5 m

The total of the areas of these is ...

  (9)(4.5) +4(3.5) = 40.5 +14 = 54.5 . . . . square meters

At £16 per square meter, Lanza's charge will be ...

  £16 × 54.5 = £872

Lanza is correct that she will have to charge more than £800.

8 0
3 years ago
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