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Westkost [7]
3 years ago
7

CAN SOMEONE PLEASE HELP ME WITH THESE 3 MATH QUESTIONS. I NEED HELP QUICK AND FAST. ONLY COMMENT IF YOU ARE HELPING THANKS! PLEA

SE ANSWER ALL 3!!

Mathematics
2 answers:
KiRa [710]3 years ago
6 0
Pg 1**
33 boys tried out and 12 girls tried out. 
87 boys didnt try out and 68 girls didnt try out.

pg 2**
18

dusya [7]3 years ago
3 0
Yes: girls=12, boys=33 No: girls=68 boys=87
You might be interested in
The sum of squares of three consecutive numbers is 77 find the numbers​
ollegr [7]

Answer:

4,5,6 are the three consecutive numbers. 16, 25 and 36 are their squares.

Step-by-step explanation:

Let the three consecutive numbers be x, (x+1), (x+2)

Now, the squares of these three numbers are  x^{2} ,(x+1)^{2} ,(x+2)^{2}

Sum = 77

∴by the problem ,

x^{2} +(x+1)^{2}+(x+2)^{2}  = 77\\x^{2} +(x^{2} +2x+1)+(x^{2}+4x +4) = 77\\x^{2} +x^{2} +2x+1+x^{2} +4x +4 = 77\\3x^{2} +6x+5 = 77\\3x^{2} +6x = 77-5\\3x^{2} + 6x = 72\\3x^{2} +6x-72= 0\\

{Taking 3 common }

x^{2} +2x- 24 = 0\\

{By factorization}

x^{2} +2x- 24 =0\\ x^{2} +6x-4x-24=0\\x(x+6)-4(x+6)=0\\(x+6)(x-4)=0\\

Therfore,

x= -6,4\\

<em>X can't be negetive </em>

∴ x =4\\x+1=5\\x+2=6

The squares of the three consecutive numbers are 16, 25, 36

The three consecutive numbers whose sum is 77 are 4, 5, 6

3 0
4 years ago
Solve |-4|/|-4| please help
mafiozo [28]

Answer:

i think the answer is 1 dont take my word for it though

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
If point (4, 5) is on the graph of a function, which equation must be true?
Doss [256]

Answer:

f(4) = 5

Step-by-step explanation:

functions are represented by f(x), so x should be the value in parenthesis and the y value should be what it equals

5 0
3 years ago
Answer and explanation please?
nignag [31]
The answer would be A. m= -3/5 and b=-4/5
"m= -5-1 divided by 7--3
or, -6/10
or, -3/5.

to find the (B)

<span><span>(-3,1). y=mx+b or 1=-3/5 × -3+b, or solving for b: b=1-(-3/5)(-3). b=-4/5.</span><span>(7,-5). y=mx+b or -5=-3/5 × 7+b, or solving for b: b=-5-(-3/5)(7). b=-4/5.</span></span>See! In both cases we got the same value for b. And this completes our problem.

<span><span>The equation of the line that passes through the points(-3,1) and (7,-5)is</span><span>y=-3/5x-4/5"</span>
Source: webmath</span>
5 0
3 years ago
A= 5,000 (1+.002*10)
Aneli [31]
I think The answer is 5100
3 0
3 years ago
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