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yarga [219]
2 years ago
9

A stock of food is enough to fees 50 persons for 14 days. How many days will the foos last if 20 persons will be added?

Mathematics
1 answer:
stellarik [79]2 years ago
7 0

Answer:

solution

Step-by-step explanation:8 days

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I reached into my pocket and found that I have only dimes n nickels. I have 2.00. I have 11 coins. How many dimes do I have?
sdas [7]
This is not possible,  because if you had 11 coins,  then not even 11 dimes will cover it,  because 11*10 is 110,  or $1.10
6 0
3 years ago
What is the product of −2 1/4 and −4 1/2 ?
frozen [14]
To multiply fracti0ons, we need to convert them to improper fractions:

-2 1/4 = -9/4
-4 1/2 = -9/2

Now, lets multiply:

-9/4 * -9/2 = 81/8

Hope this helps!

Take note that the answer is positive because when multiplying, two negatives make a positive.

4 0
3 years ago
Evaluate the expression, using the given value of the variable. z ÷ 3 – 5z + 4(z – 2) when z = 12 A. –16 B. –96 C. –14 D. –98
Tanzania [10]
12 ÷ 3 - 5(12) + 4(12 - 2)
= 4 - 60 + 4(10)
= -56 +40
= -16
6 0
3 years ago
Read 2 more answers
The parallelogram shown represents a map of the boundaries of a natural preserve. Walking trails run from points A to C and from
Citrus2011 [14]

y+2 = 3y-4 =

y+6 = 3y

6 =2y

y = 3


y+2 = 3+2 = 5

3y-4 = 3(3)-4 = 5

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2y-3 = 2(3) - 3 = 3

3+3 = 6


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answer is C

4 0
3 years ago
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Solve the following system of equations by elimination​
olya-2409 [2.1K]

Answer:

y = -6

x = 1

Step-by-step explanation:

-x + 2y = -13

-x - 2y = 11

Sum the equations:

-x -x = -2x

+2y - 2y = 0

-13 + 11 = -2

then

-2x = -2

x = -2/-2

x = 1

from the first eq.

-x + 2y = -13

-1 + 2y = -13

2y = -13 + 1

2y = -12

y = -12/2

y = -6

check:

from the second eq.

-x -2y = 11

-1 -(2*-6) = 11

-1 -(-12) = 11

-1 + 12 = 11

5 0
2 years ago
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