3 years ago

Write a real-world problem to represent 7x-18 < 32

1 answer:

8 0

There are seven students and have (x) amount of Pokemon cards, but a bully comes and takes 18. It is less then 32. ( I think its a less then sign)

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1,write the successor of-5 and predecessor of 6 then add them

Alona [7]

Successor of -5=-4
Predecessor of 6=5

$\\ \tt\hookrightarrow -4+5=1$

Let one be x and other be x-1

$\\ \tt\hookrightarrow a-b=x-x+1=+1$

$\\ \tt\hookrightarrow 42-66-(100-24)$

$\\ \tt\hookrightarrow -24-76$

$\\ \tt\hookrightarrow -100$

3 0

2 years ago

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1000 was invested at 5.5% interest, compounded annually. After sometime the amount had grown to 1550. How long was the money inv

scZoUnD [109]

compound interest equation for annually compounded

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

A=final amount

P=principal

r=rate in decimal

t=time in years

given that

A=1550

P=1000

r=5.5%=0.055

find t

$1550=1000(1+0.055)^t$

divide both sides by 1000

$1.55=1.055^t$

take ln of both sides

$ln(1.55)=ln(1.055^t)$

use ln rule $ln(a^b)=b(ln(a))$

$ln(1.55)=t(ln(1.055))$

divide both sides by ln(1.055)

$\frac{ln(1.55)}{ln(1.055)}=t$

using a calculator, we get that t=8.18544 yrs

so about 8.2yrs

4 0

2 years ago

How do you find a rate of a number

KATRIN_1 [288]

To determine the rate of a number do the following steps:

Multiply the number by the percent (e.g. 87 * 68 = 5916)

Divide the answer by 100 (Move decimal point two places to the left) (e.g. 5916/100 = 59.16)

Round to the desired precision (e.g. 59.16 rounded to the nearest whole number = 59)

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2 years ago

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Since no one knows what type of rock my rock was here's some nice juicy points

Naddik [55]

Answer:

thank you

Step-by-step explanation:

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2 years ago

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A sequence is defined recursively by the formula f(n + 1) = f(n) + 3 . The first term of the sequence is –4. What is the next te

Butoxors [25]

Cytgtd da vuvufyfdrdgyuhybtca

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2 years ago