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Lelechka [254]
3 years ago
7

MARK AS BRAINLEST!!

Mathematics
1 answer:
lawyer [7]3 years ago
3 0
13 hours is the minimum amount of hours he has to work.
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mel-nik [20]
It is similar because when you scale it larger the shape will be same just because it bigger
5 0
4 years ago
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What are the 3 steps to problem solving with efficiency?
Burka [1]

Answer:

Step 1: Identify the Problem. ...

Step 2: Analyze the Problem. ...

Step 3: Describe the Problem. ...

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7 0
3 years ago
Need help rn 30 points
Ilia_Sergeevich [38]

Answer: X = (-\frac{5}{4}\\, 6)

Step-by-step explanation:

x(4x - 19) = 30

4x^2 - 19x = 30

4x^2 - 19x - 30 = 0

ax^2 + bx + c = 0

X{1}=  \frac{-b+\sqrt{b^{2} -4ac}}{2a}\\= \frac{19+\sqrt{(-19)^{2} -4(4)(-30)}}{2(4)}\\ = 6

X{2}= \frac{-b-\sqrt{b^{2} -4ac}}{2a}\\=\frac{19-\sqrt{(-19)^{2} -4(4)(-30)}}{2(4)}\\= -\frac{5}{4} = -1.25

X = (-\frac{5}{4}\\, 6)

7 0
3 years ago
Consider the original triangle and the reduction.
bulgar [2K]
<h3>answer</h3>

6 cm.

Explanation:

Since they've given use the area of the triangle, we can use the area formula to find the base of the triangle.

The formula to find the area of a triangle is:

a

=

1

2

h

b

→

(

h = height

,

b= base

)

We know:

a

=

24

h

=

8

So we can substitute them in and find

b

:

24

=

1

2

(

8

)

b

Multiply by sides by 2 and then divide:

24

×

2

=

1

2

(

8

)

b

×

2

48

=

8

b

6

=

b

The base of the triangle is

6 cm.

ur welcome ♥️♥️

3 0
4 years ago
Tell me step by step how to change a mixed fraction to an improper fraction using an example.PLS HELP I NEED it I give you 15 po
Serjik [45]

Step-by-step explanation:

say you have 1 1/4 what you would do is you would multiply 4*1 which is 4+ the top number of the fraction which is 4+1= 5 so now your fraction in is 5/4 .

8 0
3 years ago
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