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svlad2 [7]
3 years ago
10

Carli and Angela share a cell phone plan and split the bill each month. Last month, their total bill was $109. Carli went over h

er data limit on her phone, so her share of the bill was $15 more than Angela's to account for the overage charge. Which system of equations represents this situation?
A. c+a=15
c=a+109

B. c+a=109
c=a+15

C. c+a=109
a=c+15

D. c-a=15
c=a+109
Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
7 0

Answer:

C

Step-by-step explanation:

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Same question just with picture
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Answer:

between 4 and 10

Step-by-step explanation:

just multiply lma.o

3 0
4 years ago
Multiply a trinomial and a binomial (2x-5)(-3x2+4x-7)
fiasKO [112]

Answer:

-6x3+23x2-34x-35

Step-by-step explanation:

5 0
3 years ago
Two forces with magnitudes of 150 and 100 pounds act on an object at angles of 30° and 120°, respectively. Find the direction an
lyudmila [28]
<h2>Answer:</h2>

Magnitude=180.27 \ lbf \\ \\ Direction=63.69 \ degrees

<h2>Step-by-step explanation:</h2>

We have two forces as follows:

<u>First force:</u>

Magnitude: 150 pounds

Angle: 30°


<u>First force:</u>

Magnitude: 100 pounds

Angle: 120°


So the components can be found as follows:

F_{1x}=150cos(30)=129.90 \ lbf\\F_{1y}=150sin(30) = 75 \ lbf \\ \\ F_{2x}=100cos(120)=-50 \ lbf\\F_{2y}=100sin(120) = 86.60 \ lbf


So the components of the resultant force can be found by adding each component of the individual forces as follows:

R_{x}=\Sigma F_{x} \\ R_{y}=\Sigma F_{y} \\ \\ R_{x}=129.90-50=79.90 \ lbf \\ R_{y}=75+86.60=161.6 \ lbf


Finally, the magnitude and direction of the resultant force is:

Magnitude \rightarrow R=\sqrt{R_{x}^2+R_{y}^2}=\sqrt{79.90^2+161.6^2}=180.27 \ lbf \\ \\ Direction \rightarrow \theta=tan^{-1}(\frac{R_{y}}{R_{x}})=tan^{-1}(\frac{161.6}{79.90})=63.69 \ degrees

6 0
3 years ago
Read 2 more answers
How do you find profit
Tcecarenko [31]

Answer:

:)

Step-by-step explanation:

Determine the net income (subtract the total expenses from the revenue).

Divide the net income by the revenue.

Multiply the result by 100 to arrive at a percentage.

Hope this helps :)

6 0
3 years ago
2 x 10,000 + 7 x 1,000 + 4 x 100 +9 x 1 + 3 x 1/10 + 8 x 1/1,000 What decimal is represented by this?
Ksenya-84 [330]
The decimal that represents that problem is 27409.308. 
8 0
4 years ago
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