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german
3 years ago
14

Hiii answer 80, 81, 84 please!!

Mathematics
1 answer:
Westkost [7]3 years ago
8 0
I know this is not technically answering your question but there is this app called photomath that I'm pretty sure could help u answer this question. hope if u try out the app it works for you.....
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Movie tickets for an adult and three children cost $20. an adult's ticket costs $2 more than a child's ticket. find the cost of
valkas [14]
A- price of adult's ticket
c- price of children's ticket

a+3c=20
a=c+2
c=a-2

a+3(a-2)=20
a+3a-6=20
4a=26
a=6.5

The cost of an adult's ticket is $6.50
4 0
3 years ago
How many miles are in 42km
AnnZ [28]
Solutions 

1 km = 0.621371 miles

42 km = 26.0976 miles
6 0
3 years ago
Read 2 more answers
Work out and simplify where possible<br><br>7/15+2/15​
alisha [4.7K]

Answer:

3/5

Step-by-step explanation:

7/15 + 2/15 = 9/15

both 9 nad 15 are divisible by 3

9/15 = 3/5

6 0
3 years ago
Read 2 more answers
What is the standard form?
jolli1 [7]

Answer:

Standard form is a way of writing down very large or very small numbers easily. 103 = 1000, so 4 × 103 = 4000 . ... This idea can be used to write even larger numbers down easily in standard form. Small numbers can also be written in standard form.

Step-by-step explanation:

8 0
3 years ago
$5 in a $10 general admission Night o f the Free with Sultos 10 show that Moderneature.com 1 3114111 ALLSTON NATIONAL THEATRE 9.
azamat

Answer:

0.1065

Step-by-step explanation:

Given :2(3x+1)^5=8

Solution :

2(3x+1)^5=8

(3x+1)^5=4

Taking natural log both sides

ln[(3x+1)^5]=ln 4

Property : ln (a^b)=bln(a)

5 ln(3x+1)=ln 4

ln(3x+1)=\frac{1}{5} ln 4

ln(3x+1)=\frac{1}{5} (1.3863)

ln(3x+1)=0.27726

e^{ln(3x+1)}=e^{0.27726}

Property : e^{ln x}=x

3x+1=1.3195

3x=0.3195

x=\frac{0.3195}{3}

x=0.1065

Hence the value of x is 0.1065

8 0
3 years ago
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