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notsponge [240]
3 years ago
10

At a school play, an elementary school is accepting donations for a toy drive. An average donation of $8 per person is anticipat

ed. The cost of the set design and costumes is $750, advertising in a local newspaper is $125, and posters to announce the concert cost is $89.
HELP HELP MEEEEE !!!!!
Mathematics
1 answer:
velikii [3]3 years ago
7 0

Answer:

sorry

Step-by-step explanation:

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Xy=7, x=0, y=7 and y=9 revolves around the x axis
Vanyuwa [196]
With shells, the volume is given by

2\pi\displaystyle\int_7^9\frac7y\times y=14\pi\int_7^9\mathrm dy=28\pi
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3 years ago
What is the solution to the inequality <br> X+ (7 + 2x) &lt;-3x
dolphi86 [110]

Answer:

x \:  <  \:- 1   \frac{1}{6}

Step-by-step explanation:

The given inequality is

x+ (7 + 2x) <-3x

Expand parenthesis to get

x+ 7 + 2x <-3x

Group similar terms

x+ 2x +3x<-7

Combine similar terms

6x<-7

Divide both sides by 6

x \:  <  \:  -  \frac{7}{6}

Rewrite as improper fraction

x \:  <  \:- 1   \frac{1}{6}

3 0
4 years ago
Katie has a collection of nickels, dimes and quarters with a total value of
garik1379 [7]

10d+ 25q+5n= 805

D= n+8

Q= n+ 5



10d+ 25q+5n= 805

10(n+8)+25(n+5)+5n=805

10n+80+25n+125+5n=805

40n+205=805

40n=805-205

40n= 600

N=600/40

N= 15


D= n+8

D= 15+8

D= 23


Q=n+5

Q=15+5

Q=20


So 15 nickels ,23 dimes and 20quarters .


To check

15(0.05)= $0.75

23(0.10)=$2.30

20(0.25)=$5.00


Add it

5.00+2.30+0.75=8.05

7.30+.75=8.05

8.05=8.05

5 0
3 years ago
Hi omar is here I'm new so hi to everyone
Naddik [55]
Hi, but you have to ask questions
3 0
4 years ago
Read 2 more answers
A hypothesis is tested by: A. a prediction B. experimentation C. analysis of results D. formulation of a theory
pychu [463]

Answer:

B an experiment

Step-by-step explanation:

A hypothesis cannot be tested by a prediction.

There can be no results without an experiment

A theory would not test a hypothesis

4 0
3 years ago
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