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3 years ago

PLS PLS HELP!!!!!! WILL MARK BRAINLIEST!!! :)

Mathematics

2 answers:

garri49 [273]3 years ago

6 0

Option 1 because i need points

sweet-ann [11.9K]3 years ago

4 0

Answer:

here is the best I could do...

part a: Option 1 is exponential because there is no constant. Option 2 is linear because there is a constant (+300)

part b: not sure what option 1 is, but

option 2 y= 1300+300x

part c: plug in equation for option 2 • 1300+300(20)=y

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ALGEBRA 15 POINTS please help will give 15 points

Licemer1 [7]

Answer:

angle FEX is 105

Step-by-step explanation:

x=30 just plug that in and check(i already did but if u want to u can do it too).

6 0

3 years ago

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What is the length of DE?? Thx :)

Alex

Answer:

Step-by-step explanation:

Your scale factor is 3/2, because when you compare AC and DF, the ration is 18/12, or 3/2. We can set up a proportion:

3/2=15/x

We cross multiplu

3x=30

x=10

So, the length of DE is 10 units.

Hope this helps!

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3 years ago

Find the surface area of the composite solid. Round your answer to the nearest hundredth.

horrorfan [7]

Answer:

The answer is

A. 529.66 ft²

Step-by-step explanation:

The picture of the composite figure is not given,

But find attached the figure.

The composite consists of two solid shapes

1. Cylinder

2. Rectangular prism

To solve for the total surface area of the composite

Let us solve for the total surface area of the cylinder

Given radius r= 4ft

Height h=5ft

A= πr²+2πrh-πr²

N/B we subtracted the second circular surface since it is joined to the rectangular prism

A= 3.142*4²+2(3.142)*4*5-3.142*4²

A= 50.272+125.68-50.272

A=125.68ft²

We proceed to find the area of the rectangular prism

We know that the prism has 6 sides

Hence area

A= 2(11*6)+ 2(8*6)+2(11*8)

A= 132+96+176

A= 404ft²

Hence total surface area is

404+125.68= 529.68ft²

7 0

3 years ago

How do I solve this problem because I don’t understand

Citrus2011 [14]

You are using a^2+b^2=c^2
since c is the hypotenuse

#1 the equation would be 16^2+b^2=34^2
16^2= 256
34^2= 1156
1156-256= 900
b^2=900 (now find square root of 900)
b= 30

You are now trying to find the hypotenuse or c in this so it is simpler

#2 equation - 4^2+2^2=c^2
16+4=c^2
20=c^2
c= 4.27

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3 years ago

Find the slope ! Please answer this !!!

Aleksandr-060686 [28]

Answer:

m = 4

Step-by-step explanation:

The m in y= mx+b is the slope.

7 0

4 years ago

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