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kondaur [170]
3 years ago
15

Please help! I dont have much time left

Mathematics
2 answers:
finlep [7]3 years ago
8 0

Answer:

2 plugged it in and it was correct

Step-by-step explanation:

hope it helps

Tpy6a [65]3 years ago
4 0

D. 2

5x - 6   - 10 + 3x = 0  \\ 8x - 16 = 0 \\ 8 x = 16 \\ x = 2

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Of the 84 parents who attended a meeting at a school, 35 volunteered to supervise children during the school picnic and 11 volun
Tatiana [17]

Answer:

The number of parents who volunteered to bring refreshments is 16.

Step-by-step explanation:

The information provided is:

N = 84

n (S) = 35

n (S ∩ R) = 11

n (R) = 1.5 × n (S' ∪ R')

Compute the value of n (S ∪ R) as follows:

n(S\cup R)=n(S)+n(R)-n (S\cap R)\\\\n(S\cup R)=n(S)+[1.5(N-n(S\cup R)]-n (S\cap R)\\\\n(S\cup R)=n(S)+1.5N-1.5n(S\cup R)-n (S\cap R)\\\\2.5n(S\cup R)=n(S)+1.5N-n (S\cap R)\\\\2.5n(S\cup R)=35+(1.5\times84)-11\\\\2.5n(S\cup R)=150\\\\n(S\cup R)=\frac{150}{2.5}\\\\n(S\cup R)=60

Now compute the value of n (R) as follows:

n (R) = 1.5 \times  n (S' \cup R') \\\\n (R) = 1.5 \times  [N-n (S \cup R)]\\\\n (R) = 1.5 \times  [84-60]\\\\n(R)=16

Thus, the number of parents who volunteered to bring refreshments is 16.

5 0
3 years ago
What is 18, and 24??????????? <br><br> Plsssss
MaRussiya [10]
31.-15z 27. I can't see hope this helped u
5 0
3 years ago
What is the simplified polynomial and the value
Elanso [62]

The simplified polynomial is; xy(x²y - xy² +1) and; the value when x=-3 and y=2 is; -186

From the polynomial given;

  • x²yxy -xy²xy +xy.

The polynomial can be factorised to yield a simpler form as follows;

  • xy(x²y - xy² +1).

This is so because, xy is a common factor.

The value is therefore;

  • (-3×2)((-3)²2 - (-3×2²) +1)

  • -6(18+12+1)

= -186

Read more on polynomials;

brainly.com/question/2833285

7 0
3 years ago
THIS IS DUE IN 1 HOUR!!!! BRAINLIEST OPPORTUNITY!!!!!! PLEASE HELP!!!!! Write the radical below in simplest radical form. Decima
VikaD [51]

Answer:

Square root (V) of 150:

5 V6 (5*Square root of 6)

Square Root (V) of 7/2

V14/2 (square root of 14)/2

8 0
3 years ago
Koji is installing a rectangular window in an office building. The window is 823 ft wide and 534 ft high. The formula for the ar
IrinaK [193]
A = b * h
b = 8 2/3
h = 5 3/4

A = 8 2/3 * 5 3/4.....turn to improper fractions
A = 26/3 * 23/4
A = 598/12
A = 49 5/6 ft^2 <====
4 0
3 years ago
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