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rjkz [21]
3 years ago
5

12) Erica has three more dimes than nickels in her pocket, for a total of $1.50. If x represents the number of

Mathematics
2 answers:
serious [3.7K]3 years ago
8 0

Answer:

3

Step-by-step explanation:

lol

soldi70 [24.7K]3 years ago
6 0

Answer: 8 nickles  11 dimes

Step-by-step explanation:  PLEASE GIVE BRAINLIEST IT HELPS ALOT

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Can someone plz help me it’s due at 11:30 plz help!!!
arsen [322]
Well it is b I’m 80% sure
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3 years ago
LMN≅PQR
tresset_1 [31]
<span>LMN≅PQR means that point L is equal to P, point M is equal to Q, and point N is equal to R. All lines are the same.

Point Q has an angle of 72, which means that point M also has an angle of 72.

Now you have two angles to find x. All interior angles of a triangle add up to 180, so you can set up the following equation to find x:

72 + 36 + x = 180

Subtract 36 from both sides.

72 + x = 144

Subtract 72 from both sides.

x = 72

The angle of point L, x, is 72.


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7 0
4 years ago
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What is differnce when there is parentheses around a number being squared?
Svetach [21]
When parentheses are around a number being squared, the output value will always be positive. 

For example: -2² vs (-2)²
-2² means the <em>negative of the square of two</em>, or -4
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5 0
3 years ago
A binomial consists of _______ terms.
Oliga [24]
Two terms

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3 0
3 years ago
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A boutique handmade umbrella factory currently sells 37500 umbrellas per year at a cost of 7 dollars each. In the previous year
slega [8]

Answer:

$302,500

Step-by-step explanation:

If cost (C) = $7, then Sales (S) = 37,500 units

If cost (C) = $15, then Sales (S) = 17,500 units

The slope of the linear relationship between units sold and cost is:

m=\frac{37,500-17,500}{7-15}\\m= -2,500

The linear equation that describes this relationship is:

s-s_0 =m(c-c_0)\\s-17500 =-2500(c-15)\\s(c)=-2500c + 55,000

The revenue function is given by:

R(c) = c*s(c)\\R(c)=-2500c^2 + 55,000c

The cost at which the derivative of the revenue equals zero is the cost that yields the maximum revenue.

\frac{d(R(c))}{dc}=0 =-5000c + 55,000\\c=\$11

The optimal cost is $11, therefore, the maximum revenue is:

R(11)=-2500*11^2 + 55,000*11\\R(11)=\$ 302,500

4 0
3 years ago
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