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Tpy6a [65]
3 years ago
5

Jennifer figures that she uses 2 pens per month. she started the year with 10 pens. how do i write the equation that represents

the number of pens, y, she will have after x months
Mathematics
1 answer:
andrew-mc [135]3 years ago
5 0
So it would be 10-2x . X would be the months and it would be -2 because she uses that much per month
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Which of the following is an equation of the line, in point-slope form, that passes through the points (-3,-1) and (6,8)?
Dimas [21]

Answer:

D.

Step-by-step explanation:

in order to choose the correct answer, it is enough to substitute the given coordinates [(-3;-1) and (-6;8)] into the equations:

A. -1-8=3(-3+6); ⇔ -9≠9; wrong

B. -1+8=-3(-3+6); ⇔ 7≠-9; wrong

C. -1+8=3(-3-6); ⇔ 7≠-27; wrong

D. (-3;-1): -1-8=-3(-3+6); ⇔ -9=-9

(-6;8): 8-8=-3(-6+6); ⇔ 0=0 - correct.

Note, the suggested way is not the only one.

PS. the given points are (-3;-1) and (<u>-6;</u>8).

5 0
3 years ago
Find the value of the expression 0.5^10/0.5^7
SIZIF [17.4K]

Answer:

The solution is:

  • \frac{0.5^{10}}{0.5^7}=0.125

Step-by-step explanation:

Given the expression

0.5^{10}\div 0.5^7

Solving

\frac{0.5^{10}}{0.5^7}

\mathrm{Apply\:exponent\:rule}:\quad \frac{x^a}{x^b}=x^{a-b}

so

\frac{0.5^{10}}{0.5^7}=0.5^{10-7}

\mathrm{Subtract\:the\:numbers:}\:10-7=3

=0.5^3

=0.125        ∵ 0.5^3=0.125

Therefore, the solution is:

\frac{0.5^{10}}{0.5^7}=0.125

7 0
3 years ago
5/4+x/2 =3<br><br> Hey can someone explain this please!
Vikentia [17]

Answer:

x = \frac{7}{2}

Step-by-step explanation:

Given

\frac{5}{4} + \frac{x}{2} = 3 ( multiply through by 4 to clear the fractions )

5 + 2x = 12 ( subtract 5 from both sides )

2x = 7 ( divide both sides by 2 )

x = \frac{7}{2}

3 0
4 years ago
Can anyone help me !!!!
Dimas [21]

Answer: f(2)<g(2)

Step-by-step explanation:

Substitute 2 for x.

f(2)=5(2^4)=60

g(2)=11×6^2=11×36=396

3 0
3 years ago
2. Explain, in words, how you would solve this problem. Hint: you should get 1 point
makkiz [27]

Answer:

9-24=4(3)

-15=4×3

-15=12

7 0
3 years ago
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