Ask question

Ask question

All categories

3 years ago

9

Lisa has $300 in her bank account. She takes out $25 each week for w After w weeks she has d dollars left in her bank account. W

rite an equation that represents the amount of money left in her bank account after w weeks

1 answer:

vova2212 [387]3 years ago

7 0

Answer:

5 weeks 150 dollars

Step-by-step explanation:

You might be interested in

The glee club is having their annual Spring performance. The equation 5a+2s=48 represents the money collected on the first night

V125BC [204]

First, put them directly above each other.
5a+2s=48
3a+2s=32

You need to combine these, but in order to do so, we want to get rid of one of the letters. The S's line up very well, and all we need to do is multiply the bottom equation by a negative 1. This will look like this,
-3a-2s=-32 (and add it to the other equation)
5a+2s=48
This gives you
2a=16
Divide both sides by 2 to get a by itself.

a=8, is your answer!

If it asked for s, you would put 8 into whichever equation seems easier for you, and then its just simple crunching it out.

Hope this helped!

4 0

3 years ago

Hey, I would appreciate it if you can help me with these problems, been stuck on it for a few days

Makovka662 [10]

Answer:

Explained below.

Step-by-step explanation:

The formula for average rate of change is:

$\frac{f(b) - f(a)}{b - a}$

1. $\frac{f(b) - f(a)}{b - a}$ = $\frac{f(2) - f(1)}{2 - 1}$ = $\frac{100 - 40}{2 - 1}$ = $\frac{70}{1}$ = 70

2. $\frac{f(b) - f(a)}{b - a}$ = $\frac{f(4) - f(2)}{4 - 2}$ = $\frac{180 -110}{4 - 2}$ = $\frac{70}{2}$ = 35

3. $\frac{f(b) - f(a)}{b - a}$ = $\frac{f(8) - f(6)}{8 - 6}$ = $\frac{350 -230}{8 - 6}$ = $\frac{120}{2}$ = 60

4. $\frac{f(b) - f(a)}{b - a}$ = $\frac{f(10) - f(8)}{10 - 8}$ = $\frac{390 -350}{10 - 8}$ = $\frac{40}{2}$ = 20

5. Their average speed was the greatest during the first to second hour.

6. Their average speed was the least during the eight to tenth hours.

7. $\frac{f(b) - f(a)}{b - a}$ = $\frac{f(10) - f(1)}{10 - 1}$ = $\frac{390 -40}{10 - 1}$ = $\frac{350}{9}$ = 38.89 or 38.9

Hope that helps!

6 0

3 years ago

Commerce bank hired Pete Drexel as its new branch office manager, at an annual salary of 59,500.00. Advertising cost $421.27 int

Damm [24]

The cost was $9431.52 to recruit Pete.

8 0

4 years ago

Q1. If ∛5x+10=5, Find x

aleksandrvk [35]

Answer:

$\sqrt[3]{5x+10}=5 / ^{3}\\ 5x+10=125\\5x=115/:5\\x=23$

If you mean that : $\sqrt[3]{5x}+10=5$ this is

$\sqrt[3]{5x}+10=5 /^{3} \\5x+1000=125\\5x=-875/:5\\x=-175$

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Solve for x. 4x + 22 = 6(x+3)

Neporo4naja [7]

Answer:

$x = 2$

Step-by-step explanation:

Let's solve:

$4x+22=6(x+3)$

Step 1: Simplify both sides of the equation.

$4x+22=6(x+3) \\ 4x+22=(6)(x)+(6)(3)\\ (Distribute) \\ 4x+22=6x+18$

Step 2: Subtract 6x from both sides.

$4x+22−6x=6x+18−6x\\ −2x+22=18$

Step 3: Subtract 22 from both sides.

$−2x+22−22=18−22 \\ −2x=−4$

Step 4: Divide both sides by -2.

$\frac{ - 2x}{ - 2} = \frac{ - 4}{ - 2} \\ x=2$

4 0

3 years ago

Read 2 more answers