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labwork [276]
3 years ago
7

Jenna bought n notebooks which cost 5 dollars each, and 3 pens which cost r dollars each. How much money did she spend?

Mathematics
2 answers:
netineya [11]3 years ago
7 0
Is there choices to this? because there is not enough information to answer this

Makovka662 [10]3 years ago
3 0

Solution:

we are given that

Jenna bought n notebooks which cost 5 dollars each, and 3 pens which cost r dollars each.

we have been asked to find the

How much money did she spend?

Money spend one kind of item can be found by multiplying the item price by item number.

So Money Spend on Notebook=5n

Money Spend on Pens=3r

So Total Money spend by adding these two values together.

Hence Total Money Spend=5n+3r

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Firlakuza [10]

Though these segments aren't marked congruent in the diagram, the two lines inside the circle making up the bases of the triangles are congruent as all radii are congruent. So the triangles are congruent by SAS.

7 0
3 years ago
Find a formula for a function that has vertical asymptotes x = 2 and x = 7 and horizontal asymptote y = 2.
Pie
Hello : 

 

hello : <span>
1 ) if : x</span>ـــــــ> ± ∞  <span>
 limf(x)   = b     ....(b</span>∈R)     so : y=b is the equation of the line horizontal asymptote.

<span>
2) if : x</span>ـــــــ> a ...(a∈R)<span>
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<span>so : x=a is the equation of the line vertical asymptote.</span></span>

<span><span>hint : in this exercice : a = 2 or a = 7  but : b=2</span></span>

6 0
3 years ago
Please help I don’t understand
JulsSmile [24]

Answer:

Vertical: G an B. Adjacent: C and F. Supplementary: A and E. Straight: A, E. Complementary:  G , B and E,A.

4 0
3 years ago
A polynomial g(x) has a factor of (x-a). What is the value of g(a)?
alexdok [17]
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8 0
3 years ago
Solving Rational Equations. LCD Method. Show work.<br><br><img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B5x%7D%20%2B%5Cfrac%
Svet_ta [14]

using the LCD method.... well, there are a couple of ways, but let's simply add them up.

well, the denominators are 5x and 2x... so the only LCD will just be 10x, since it's divisible by both, so let's use that one.

\bf \cfrac{2}{5x}+\cfrac{7}{2x}=1\implies \stackrel{\textit{LCD of 10x}}{\cfrac{(2)2~~+~~(5)7}{10x}}=1\implies \cfrac{4+35}{10x}=1\implies \cfrac{39}{10x}=1 \\\\\\ 39=10x\implies \cfrac{39}{10}=x\implies 3\frac{9}{10}=x

5 0
3 years ago
Read 2 more answers
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