Please help me to solve

Evalute this expression: -4y + 7y - 10 + 3

Monica [59]

Answer:

3y-7

Step-by-step explanation:

-4y + 7y - 10 + 3

Combine like terms

-4y + 7y - 10 + 3

3y -7

6 0

3 years ago

4400 dollars is placed in an account with an annual interest rate of 7.5%. To the nearest tenth of a year, how long will it take

Katarina [22]

Answer:

Step-by-step explanation:

The equation for the amount of money in an account after a certain amount is deposited and compounded after t years once per year is

$A(t)=P(1+r)^t$

Our A(t) = 33800, P = 4400, r = .075 and we are looking for t. Filling in:

$33800=4400(1+.075)^t$ and

$33800=4400(1.075)^t$

Begin by dividing both sides by 4400 to get

$7.681818182=1.075^t$

The only way to move that t our from its current position as an exponent is to take the natural log of both sides and follow the rules for natural logs:

$ln(7.6181818182=ln(1.075)^t$

The power rule of natural logs says we can move that exponent down in front, giving us:

$ln(7.681818182)=t*ln(1.075)$

Divide both sides by ln(1.075) to get

$\frac{ln(7.61818182)}{ln(1.075)} =t$

Do this division on your calculator to get

t = 28.2 years

6 0

3 years ago

Read 2 more answers

Let \[f(x) = \frac{3x - 7}{x + 1}.\]find the range of $f$. give your answer as an interval.

ra1l [238]

Hello :
let : $y= \frac{3x-7}{x+1}$
calculate : x ......x ≠ -1
 $y(x+1) = 3x-7$
$yx+y =3x-7$
$yx-3x = -y-7$
$x(y-3) = -7-y$
$x = \frac{y+7}{3-y}$
the inverse function is : $g(x) = \frac{x+7}{3-x}$
domain of : g is the range of : f
as an interval : ]-∞: 3 [U ]3;+∞[

7 0

3 years ago

Question 7 (4 points) Use a trig ratio to determine x. x= Round to the nearest tenth. 70

nataly862011 [7]

the nearest tenth would be 100

5 0

3 years ago

]HI THIS MY FAV SONG WHTS URS? WILL GIVE BRAINLIEST

Amiraneli [1.4K]

My favorite song is Make a Wish by NCT U

[Intro]

Oh, ayy

Oh, yeah

[Verse 1]

See you looking right here, don't hesitate (Yeah)

Fully booked up for you, I squeeze in a date (Yeah)

Girl, you got me excited, I wanna play (Ooh)

It’s like I been at sea, the way I been on a wave

(Ayy, ayy, ayy, ayy)

I want you to come join me (Join me)

Swimmin' in the money like royalty

She said, "Baby, you don't have to spoil me"

She just want me to spoil her with loyalty

[Refrain]

Sweet tooth, I eat all of the Skittles

I like my donuts with jam in the middle

You’re a great example of what I'm into

I was thinking we could jam for a little, yeah

[Pre-Chorus]

You'rе all that I want

Let me show what I'm on

[Chorus]

I can do this all night

Back it up, back it up (Yeah)

Yеah, girl, you just my type (Woo)

We should match it up, match it up (We should)

Girl, you're lit, there ain't no one finer

One in a milli', yeah, you light the fire

Before I change my mind

It's your birthday, make a wish

[Post-Chorus]

Ooh, you should make a wish

I’ll, I’ll give you anything (Haha), make a wish

Let me do it for you

[Verse 2]

Never take a break, you always workin' overtime

Let’s just run away (Away), memories to make (To make)

You a diamond, see you glowin' in the (Dark)

That's why it's funny when you’re calling me a (Star)

You're my sugar rush, you really got me (Charged)

Really got me charged, you star

[Refrain]

Sweet tooth, I know how to nibble

Ice cream, no flake, lemon drizzle

Chocolate milkshake, just a little

Oreo marshmallow with the sprinkles

[Pre-Chorus]

You're all that I want

Let me show what I'm on

[Chorus]

I can do this all night

Back it up, back it up (Back it up on me)

Yeah, girl, you just my type

We should match it up, match it up (We should)

Girl, you're lit, there ain't no one finer

One in a milli', yeah, you light the fire

Before I change my mind

It's your birthday, make a wish

[Bridge]

Girl, your energy, it lifts me high (Lifts me high)

Put my heart and pride on the line (I'll do it for you)

I don't know why it took so long to realize

I should've seen it from before

Been tryna tell you you're

It's your birthday, it's your birthday

Now make a wish

[Breakdown]

I can do this all night

(I can do it, got the cash

You know I like to splash

So throw in a bag)

Oh, oh, oh, that I want

It's your birthday, it's your birthday

Now make a wish

Girl, you're lit, there ain't no one finer

One in a milli', yeah, you light the fire (Ooh)

Before I change my mind

It's your birthday, make a wish

[Chorus]

I can do this all night

Back it up, back it up

Yeah, girl, you just my type

We should match it up, match it up (We should)

Girl, you're lit, there ain't no one finer

One in a milli', yeah, you light the fire

Before I change my mind (Yeah)

It's your birthday, make a wish

[Outro]

Yeah, make a wish

(It's your birthday, it's your)

Make a wish

(I'll give you birthday cake)

Make a wish (Yeah)

I can do this all night

Make a wish

It's your birthday

Now make a wish

5 0

3 years ago

Read 2 more answers