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GuDViN [60]
3 years ago
7

Please help me with 23 and 24.

Mathematics
1 answer:
MrRissso [65]3 years ago
5 0
Don't need an answer anymore post was totes yesterday.

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Find the Value of X (angles)
STatiana [176]

Answer:

x= 55

Step-by-step explanation:

The  two angles add to 180 degrees since they form a straight line

2x+70 =180

Subtract 70 from each side

2x+70-70=180-70

2x= 110

Divide by 2

2x/2 = 110/2

x= 55

7 0
3 years ago
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Which choice shows the image of figure 1 being transformed with a translation of 8 units left followed by a rotation of 180° aro
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Answer:

Step-by-step explanation:

the left picture

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3 years ago
The paint mixer wants to mix paint that is 30% gloss with paint that is 15% gloss to make 3.75 gallons of paint that is 20% glos
Kipish [7]

The paint mixer should mix 1.238 gallon paint that is 30 % gloss and 2.512 gallon paint that is 15 % gloss to get 3.75 gallon of paint that is 20 % gloss.

In this question we must determine the correct volumes of each paint to obtain a 20 % gloss with paint by means of weighted averages:

c_{r} = x\cdot c_{a} +(1-x)\cdot c_{b} (1)

Where:

  • x - Proportion of the paint that is 30 % gloss.
  • c_{a} - Concentration ratio of the paint that is 30 % gloss.
  • c_{b} - Concentration ratio of the paint that is 15 % gloss.
  • c_{r} - Resulting concentration ratio

If we know that c_{a} = 0.3, c_{b} = 0.15 and c_{r} = 0.2, then the proportion of the paint that is 30 % gloss is:

0.2 = 0.3\cdot x +(1-x)\cdot 0.15

0.2 = 0.15\cdot x+0.15

0.15\cdot x = 0.05

x = 0.33

And the quantity of gallons needed of each paint are:

Paint (30 % gloss)

V_{a} = 0.33\cdot (3.75\,gal)

V_{a} = 1.238\,gal

Paint (15 % gloss)

V_{b} = V-V_{a}

V_{b} = 3.75\,gal-1.238\,gal

V_{b} = 2..512\,gal

The paint mixer should mix 1.238 gallon paint that is 30 % gloss and 2.512 gallon paint that is 15 % gloss to get 3.75 gallon of paint that is 20 % gloss.

To learn more on weighted averages, we kindly invite to check this question: brainly.com/question/18554478

8 0
2 years ago
a population of insects doubles every month. If there are 100 insects to start with, how many will there be in 7 month
krok68 [10]
If at the end of every month the population dubbuls then at the end of 7 month there will be 12,800 

month1)200

month2)400

month3) 800

month4) 1600

month5) 3200

month6) 6400

month7)12800
6 0
2 years ago
What’s the line between 2 faces ?<br> A. A vertex <br> B. An edge <br> C. An intersection
Georgia [21]

Answer:

B, an edge, because a vertex is the angular point, and an intersection is the point in where two lines meet.

Step-by-step explanation:

3 0
3 years ago
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