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devlian [24]
3 years ago
11

Pls pls help, brainiest guaranteed

Mathematics
1 answer:
andrey2020 [161]3 years ago
3 0

Answer:

i think its

4× + 5y > = 85

Step-by-step explanation:

i hope im right or even close i tryed i should be right tho HAVE A NICE DAY!!

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Liam is a tyre fitter.
maks197457 [2]

Answer:

3 tires

Step-by-step explanation:

56 minutes divided by 4 is 14. 42 minutes divided by 14 is 3 :)

7 0
3 years ago
Read 2 more answers
1. The number a is 4/5 of the number b. What part of number a is number b?
alexdok [17]
Writing some equations out might help!

1) You know that a is 4/5 of b. This can be written as:a =  \frac{4}{5} b.
To find what b is equal to, multiply both sides by 5/4: \frac{5}{4}a = b.
A is 5/4 B. 

2) You know that a is 1/5 smaller than b. This can be written as: a = b - \frac{1}{5}.
To find b, just add 1/5 to both sides: a +  \frac{1}{5} = b.
B is 1/5 bigger than a. 
7 0
3 years ago
Dilation of a line by a scale factor 1/3 centered at the point (4,2)
Fiesta28 [93]

Answer:

(4/3,2/3) will the point on the line after dilation

Step-by-step explanation:

Dilation is a transformation in which every point on line is dilated or multiplied away by the scale factor. This means, that dilation either enlarges the figure or reduces it in size.

So that means, if a point A(1,1) lies on a line and this line is dilated by a factor 2. Then, the new line will be passing through point

A(1,1) ---> A'(2*1,2*1) = A'(2,2)

Given: point on line (4,2) and scale factor 1/3

Result: The point is transformed or dilated by factor 1/3

B(4,2) --> B'(4/3,2/3)

3 0
4 years ago
Suppose that a computer software company has 30
LekaFEV [45]

Answer: \dfrac{30!}{6!(24)!}

Step-by-step explanation:

Given : The total number of programmers in the company = 30

The company wants to select a group of 6 programmers to work on a  particular project.

Since the order of selecting them does not matters , therefore we use combinations.

The number of combinations of r things taken from n things is given by :-

^nC_r=\dfrac{n!}{r!(n-r)!}

here, n= 30 and r= 6

So the number of different ways to form they could select a group of 6 would be ^{30}C_{6}=\dfrac{30!}{6!(30-6)!}

=\dfrac{30!}{6!(24)!}\\\\=\dfrac{30\times29\times28\times27\times26\times25\times24!}{(720)24!}=593775

i.e. Total ways =593775

In terms of factorials , the number of total ways to form they could select a group of 6 is \dfrac{30!}{6!(24)!} .

7 0
3 years ago
The sum of a number and twenty-six, divided by twelve is equal to seven! <br><br> Please!!
Travka [436]

Answer:

58

Step-by-step explanation:

1. let x be the unknown number

2. make an expression

x + 26/12 = 7/1

3. cross multiply

x +26 × 1 = x + 26

12 × 7  = 84

 x + 26 = 84

4. move variables on one side and numbers on other side of the equal sign

x + 26 = 84

   - 26    -26

x = 58

4 0
3 years ago
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