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3 years ago

20 BRAINLY POINTS FOR THIS QUESTION

Mathematics

2 answers:

Stels [109]3 years ago

7 0

Answer:

72 campers participated

Step-by-step explanation:

In order to multiply 40 campers by 180%, you need to first turn 180% into a decimal. 180% in decimal is 1.8.

Now, you just need to multiply the 40 campers by 1.8:

40 x 1.8

= 72 campers

Burka [1]3 years ago

3 0

72 is the correct answer

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????????????????????

Snowcat [4.5K]

Greetings!

Substitute:
$x+y=1000 \\ x=1000-y$
Now we can input this into the other equation so, we only have one variable.

Solve for y.
$0.05(1000-y)+0.06y=57$
Distribute the parenthesis.
$50-0.05y+0.06y=57$
Combine Like Terms.
$50-0.01y=57$
Add -50 to both sides.
$(50-0.01y)+(-50)=(57)+(-50)$
Simplify.
$0.01y=7$
Divide both sides by 0.01.
$(0.01y)/0.01=(7)/0.01$
Simplify.
$y=700$

Input this value into the other equation.
$x+700=1000$
Add -700 to both sides.
$(x+700)+(-700)=(1000)+(-700)$
Simplify.
$x=300$

The answer would be 300,700

Hope this helps.
-Benjamin

8 0

3 years ago

Write down the nth term of this sequence... 8, 11, 14, 17, 20

bezimeni [28]

Seems to be an arythmetic sequence
common difference is 3 (increases by 3 each time)

an=a1+d(n-1)
d=3
a1=8
an=8+3(n-1)
an=8+3n-3
an=3n+5

6 0

3 years ago

Show different ways you can group two factors in 3 x 2 x 7

Aleks04 [339]

Answer:

Step-by-step explanation:

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3 years ago

10 small and 8 large cost $192. 20 small and 1 large cost $99. What is cost of a small

seraphim [82]

Answer:

Step-by-step explanation:

small=s, s=3.99

large=l, l=19.20

10s+8l=192.20

20s+l=99

we can see that in the second equation, 20s+l=99

l=99-20s

lets replace l in the first equation

10s+8(99-20s)=192.20

10s+792-160s=192.20

-150s=-792+192.20

150s=599.80

s=3.99

l=99-20(3.99)=99-79.80=19.20

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2 years ago

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Hi i need help on segment relationships in circles

exis [7]

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4 years ago