There are 33 members of the Kennedy Middle School math club there are 7 more girls members than boy members how many boys and girls are members of the club

Answers

Answer 1

Answer: x + y = 33
x girls = y + 7

(y + 7) + y = 33
2y + 7 = 33
2y = 26
y = 13 guys
20 girls

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Which statements are true? Check all that apply.The equation |–x – 4| = 8 will have two solutions. The equation 3.4|0.5x – 42.1| = –20.6 will have one solution. The equation = 0 will have no solutions. The equation |2x – 10| = –20 will have two solutions. The equation |0.5x – 0.75| + 4.6 = 0.25 will have no solutions. The equation = 5 will have infinitely many solutions.
A rock that weighed 1.2 pounds on the moon weighed 7.06 pounds on Earth.About how much would an astronaut who weighs 174 pounds on Earth weigh on the moon?
3 12 Find the nth term of each sequence. (a) -1, -3, -5, -7, -9, .
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Gabrielle's age is two times Mikhail's age. The sum of their ages is 27. What is Mikhail's age?

The acceleration (m/sec2) of an object along a straight une is given in the following graph:Assuming that the object has an initial velocity of 5 m/sec, how far does the particle move during the time 0<=t<=3?
27.0 meters
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33.0 meters
53.5meters

Answers

I not sure of the answer

Divide z by 11. Then, add 8.

Answers

this may be the answer,hope it helps

A local store is advertising a shirt on sale for 40% off the original price. The sale price is $21.00. What was the original price for the shirt?

Answers

Answer:

$35

Step-by-step explanation:

If $21 is 60% of the original price, then the original price is ...

21 = 0.60p

21/0.60 = p = 35

The original price is $35.00.

Answer:

$35

Step-by-step explanation:

If $21 is 60% of the original price, then the original price is ...

21 = 0.60p

21/0.60 = p = 35

The original price is $35.00. , hope it helps i answered last time but was deleted

Suppose that you want to model the height of a rider on a Ferris wheel as a function of time. The amplitude of the function you use as a model should be equal to which of the following?a. the area of the Ferris wheel
b. the circumference of the Ferris wheel
c. the diameter of the Ferris wheel
d. the radius of the Ferris wheel

Answers

Answer: d. the radius of the Ferris wheel

Step-by-step explanation:

We now that the amplitude is the vertical distance between a peak or a valley and the equilibrium point.

Thus in the case of Ferris wheel the amplitude should be the difference between the peak(highest) and equilibrium point or equillibrium point and valley(lowest) points .

i.e. it should be half of the diameter of the circle. Since half of diameter of a circle is equals to radius.

Therefore, the amplitude of the function you use as a model should be equal to the radius of the Ferris wheel.

The amplitude of the function you use as a model should be equal to d. the radius of the Ferris wheel. The amplitude should be half the difference between the highest (maximum) and lowest (minimum) points which is half of the diameter of the circle. It is known that half of the diameter is the radius of a circle.

Two of your friends, Matt and Karen, both run to you to settle a dispute. They were working on a math problem, and got different answers. Wisely, you decide to look at their work to see if you can spot the source of confusion.Matt

6 – 4(3 – 5)2 + 30 ÷ 5
6 – 4(–2)2 + 30 ÷ 5
6 – 4(4) + 30 ÷ 5
6 – 16 + 30 ÷ 5
−10 + 30 ÷ 5
20 ÷ 5
4
Karen

6 – 4(3 – 5)2 + 30 ÷ 5
6 – 4(–2)2 + 30 ÷ 5
6 – 4(−4) + 30 ÷ 5
6 + 16 + 30 ÷ 5
6 + 16 + 6
22 + 6
28 Explain to Matt and Karen who, if either, is correct, and identify errors that you find. Provide the correct manner to fix those solutions, and identify the correct answer. Use complete sentences.

Answers

so in matt's equation, he made a mistake in the a transision from line 2 to line 3
in line 2: -4(-2)2
in line 3: -4(4)
the mistake is that -2 times 2 is not equal +4 it is equal to -4
also from lines 5 to 6 he made a mistake in order of opperations (mulit division then addition and subtract)
line 5: -10+30/5
line 6: 20/5

so he first subtracted 10 then divided, he should have divided then subtracted
so the equation should have equaled

Karen used the correct (-) times (+) property and the order of operations
so Karen is correct and Matt is wrong.

Karen is correct. (-2)2 is -4, not 4 in Matt's answer. Also, Karens, order of operations on the 4th line is correct. She does her division first, and Matt completes his subtraction first. PEMDAS, parenthesis, exponents, multiplication, division, addition, subtraction.

For the function f(x) = 3(x − 1)2 + 2, identify the vertex, domain, and range.The vertex is (1, 2), the domain is all real numbers, and the range is y ≥ 2.
The vertex is (1, 2), the domain is all real numbers, and the range is y ≤ 2.
The vertex is (–1, 2), the domain is all real numbers, and the range is y ≥ 2.
The vertex is (–1, 2), the domain is all real numbers, and the range is y ≤ 2.

Answers

$f(x)=3(x-1)^2+2\ It's\ a\ quadratic\ function\n\ntherefore\ Domain:\boxed{D:x\in\mathbb{R}\ all\ real\ numbers}\n\nvertex:\nthe\ vertex\ form:\ y=a(x-h)^2+k\nwhere\ (h;\ k)h\ and\ k\ are\ the\ x\ and\ y\ coordinates\ of\ the\ vertex\n\boxed{vertex:(1;\ 2)}$
$range:\na=3 \ \textgreater \ 0\ therefore\ the\ parabola\ ope ns\ upward\nso\nrange\ is\ [vertex\ (y);\ infinity)\nrange:\boxed{y\geq2\y\in[2;\ \infty)}\n\nYour\ answer:\n\boxed{The\ vertex\ (1;\ 2);\ domain\ is\ all\ real\ number\ (x\in\mathbb{R});\ range\ y\geq2}$

$f(x)=3(x-1)^(2)+2 \n \n f(x)=a(x-p)^(2)+q \n \n W=(p,q) \n \n W=(1,2) \n \n D: x \in R \n \n a \ \textgreater \ 0 \n \n Range: y \in [2,+\infty)$

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