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allsm [11]
3 years ago
9

What does 40 divided by 1+3-(3x7)+7-5 equal?

Mathematics
1 answer:
JulijaS [17]3 years ago
5 0
40/[1+3-(3x7)+7-5)
= 40/[1+3-21+7-5]
=40/[-15]
= - (8/3)
-2 2/3
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A store sells packages of comic books with a poster. A poster and 5 comics cost ​$15.75 A poster and 11 comics cost ​$27.75 Writ
Vanyuwa [196]

Answer:

y=x+5.99

Step-by-step explanation:

A poster and 2 comics cost ​$7.99

(2,7.99)

A poster and 11 comics cost ​$16.99.

(11,16.99)

Let y be the cost of package and x be the no. of comics

We will use two point slope form :

(x1,y1) = (2,7.99)

(x2,y2) = (11,16.99)

Formula :

y-y1 = y2-y1/x2-x1(x-x1)

Substitute the values:

Hence a linear function rule that models the cost y of a package containing any number x of comic books is y=x+5.99

8 0
2 years ago
Please help this is already late ​
GaryK [48]

Answer:

C = 132°

Step-by-step explanation:

(5y + 28) = 12y

5y - 5y + 28 = 12y - 5y

28 = 7y

y = 4

12 (4)

= 48

48 + C = 180°

48 - 48 + C = 180 - 48

C = 132°

4 0
3 years ago
Can you add these fractions.
gladu [14]
5=   <span>43/30= 1.43= 1 43/100</span>
6=  91/60= 1.52= 1  52/100 
7=   59/30= 2
8=  19/15= 1.3
9= 6/5=1.2
10=97/60=1.616
5 0
3 years ago
Ebuka's monthly rent is \$750$750dollar sign, 750. If Ebuka pays the rent late, his landlord charges 4\%4%4, percent interest pe
dem82 [27]

Answer: R(t) = 750 + 0.04t

Step-by-step explanation:

Here's the complete question:

Ebuka's monthly rent is $750. If Ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. Write a function that gives the total cost R(t), in dollars, of Ebuka's rent if he pays it t weeks late.

The above question will be represented by:

R(t) = $750 + (4% × t)

R(t) = 750 + (4/100 × t)

R(t) = 750 + 0.04t

5 0
3 years ago
An animal shelter has 104 cats and dogs. The ratio of cats to dogs is 5:3. How many cats are at the shelter?
Aneli [31]

Answer:

65 cats

Step-by-step explanation:

cats: dogs: total

5:     3:        5+3=8

We need 8 to be 104

104/8 = 13

Multiply each by 13

cats: dogs: total

5*13:   3*13:  8*13

65        39     104

There are 65 cats and 39 dogs

7 0
3 years ago
Read 2 more answers
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