MATHEMATICS HIGH SCHOOL

George is a fast worker. He can mop 50 ft2 in 1 minute. The court is shaped like a rectangle. It is 95 ft long by 50 ft wide. How many minutes will it take George to mop the gym floor?a.) 95 minutes

b.) 3958.3 minutes

c.) 4,750 minutes

d.) 190 minutes

Answers

Answer 1
Answer:

A. 95     95x50=4750    then you divide 4750 by 50 and you get your answer

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In basketball, Shaquille makes 40% of his free throw attempts. He goes to the free throw line to shoot one and one ( if he makes the first shot, he gets to shoot one more). He scores 1 point per free throw. What is the expected value of the number of points he will score?
Given the function f(x)=0.5(3)^x, what is the value of f^-1(7)?
Help me PLEASE IM SO LOSY AND CONFUSED ​
Use the law of exponents to rewrite (5^9)^2will give brainiest and 50 point bet u do not get it right
20. Average year-after-year conditions are to__________as day-to-day atmospheric conditions are to_________________.

Factor the polynomial.
7x^2 + 68xy - 20y^2

Answers

we notice that it must be a product of 2 different thingummies
so we have
(  x+/-  y)(  x+-/  y)
we need to determine the spaces ad signs
we know that the signs are different since the end result is negative
so fidn the first one
7
factor
7=1 times 7
so we have
(1x+/-    y)(7x+/-    y)
factor end
-20=-1 and 20 or -2 and 10 or -4 and 5
we want the middle term to be positive so the bigger term must be positive

try the ones closest first
(x-4y)(7x+5y)
multiply out the middles and outers
5xy-28xy is not 68xy
try -2 and 10
(x+10y)(7x-2y)
multily middles and outers
-2xy and 70xy=68xy
correct

answer is (x+10y)(7x-2y)

7 × (–3) × (–2)2 = ?

A. 84
B. 48
C. –84
D. –48

Answers


7 × (-3) ×(-2)2 =

7 × -3 × -4 = (you have to eliminate all parenthesis in the equation.)

7 × -12 = -84

so your answer would be: C
7*-3=-21 and -2*2=-4 so -21*-4= 84
answer is 84

Solve –5√ x = –15.



A. x = –7
B. x = –9
C. x = 7
D. x = 9

Answers

Answer:

Option (d) is correct.

x=9

Step-by-step explanation:

Given : expression -5√(x)=-15

We have to solve for x.

Consider the given expression  -5√(x)=-15

Divide both side by -5, we have,

√(x)=(-15)/(-5)

Simplify, we have,

√(x)=3

Squaring both side, we get,

(√(x))^2=3^2

Simplify, we get,

x=9

Thus, Option (d) is correct.
-5√x = -15
   -5       -5
   √x = 3
      x = 9

The answer is D.

6. A group of friends wants to go to theamusement park. They have $311 ta
spend on parking and admission.
Parking is $15, and tickets cost $32
per person, Write and solve an
equation which can be used to
determine p, the number of people
who can go to the amusement park.
2

Answers

Answer:

9

Step-by-step explanation:

311 - 15 = 296

296 ÷ 32 = 9.25

Rounded to 9 people

5x+y=2 find an order pair for x,y

Answers

x=2. y= -8 because...

5•2+-8=2

10-8=2.

Nine times a number is three thousand six hundred what is the number?

Answers

The way this should be set up is: 

9a = 3600... 

So you must divide '9' on both sides, canceling out the '9', and making the 3600 to be '400'.. 

So the problem should look like: a = 400 <--- (Answer) 

Hope it helped.. :) 
=>Let the number be a ...=>Nine times the number: 9a ...=>Nine time a no. Is 3600 : 9a = 3600...=>9a = 3600=>a = 3600/9=>a= 400..=>So the number is 400..Hope It helps!!
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