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astraxan [27]
3 years ago
6

Tina is saving to buy a notebook computer. She has two options. The first option is to put200$ away initally and save 10$every m

onth. Thge second option is to put 100$ away and save 30$ every month. After how many months would Tina save the same amount using either option? How much would she save at the time?
Mathematics
1 answer:
Archy [21]3 years ago
5 0

about 6 months as the number will meet


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What is the value of x? 114° 2x a. 38 b. 57° c. 76° d. 85°​
chubhunter [2.5K]

Answer:

I THINK is (57°) if it wrong im sorry.

8 0
3 years ago
If g(r) =2(r-1), Find g(10)
garri49 [273]

Answer:

g(r) = 18

Step-by-step explanation:

Substitute 10 into r

g(10) = 2( (10) -1)

        = 2(9)

        = 18

7 0
3 years ago
Helene invested a total of $1,000 in two simple-interest bank accounts. One account paid 5% annual interest; the other paid 8% a
crimeas [40]

a  =  total amount invested at 5%

b = total amount invested at 8%

we know 5% was earned in interest from "a", so that'd be (5/100) * a or 0.05a.

we know 8% was earned in interest from "b", so that'd be (8/100) * a or 0.08b.

we also know that the total for both is 1000, a + b = 100.

\begin{cases} a + b = 1000\\ 0.05a+0.08b=65 \end{cases}\qquad \qquad \stackrel{\textit{since we know}}{a+b=1000}\implies b = 1000-a \\\\\\ \stackrel{\textit{substituting on the 2nd equation}}{0.05a+0.08(100-a)=65}\implies 0.05a+80-0.08a=65 \\\\\\ -0.03a+80=65\implies -0.03a=-15\implies a=\cfrac{-15}{-0.03}\implies \boxed{a = 500} \\\\\\ \stackrel{\textit{we know that}}{b = 1000-a}\implies b=1000-500\implies \boxed{b = 500}

7 0
2 years ago
Read 2 more answers
a football team lost 3 yards on the first play and gained 7 yards on the second play and lost 1 yard on the third play what is t
igomit [66]
-3+7-1= 3

Answer: 3 team total yards
7 0
3 years ago
Find the dot product of u=<-8,9> and v=<5,-2>
Damm [24]

Answer:

-58

Step-by-step explanation:

We are to find tfhe dot product of u=<-8,9> and v=<5,-2>

u*v = <-8,9>*<5,-2>

u*v = -8(5)+9(-2)

u*v = -40 - 18

u*v = -58

Hence the product of the vectors is -58

3 0
3 years ago
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