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Sphinxa [80]
3 years ago
9

WHATS THE ANSWER?????

Mathematics
1 answer:
makvit [3.9K]3 years ago
5 0
X=30
Y≈29.732
Hope this helps!
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Find the surface area of figure. Round answer to nearest hundredth if necessary. Thank you!!
Crazy boy [7]

Answer: Surface area = 29.32 inches²

Step-by-step explanation:

The surface area is the sum of areas of the faces. There are two triangular faces and three rectangular faces.

The formula for determining the area of a triangle is expressed as

Area = 1/2 × base × height

Base = 2 inches

Height = 2 inches

Area = 1/2 × 2 × 2 = 2 inches²

Area of the 2 triangular faces

= 2 × 2 = 4 inches²

The area of the two equal rectangles is

Area = 2 × 2 × 4 = 16 inches²

To determine the width, w of the rectangular base, we would apply Pythagoras theorem.

Hypotenuse ² = opposite side² + adjacent side²

w² = 2² + 2²

w² = 4 + 4 = 8

w = √8 = 2.83

Area of the rectangular base is

2.83 × 4 = 11.32 inches²

Surface area = 4 + 16 + 11.32 = 31.32 inches²

5 0
3 years ago
B<br> 6x+7<br> 3x+c<br> 2x-1<br><br> What is the value of c in degrees
andreev551 [17]

Answer:

1.x=15

2.<A=29

Step-by-step explanation:

(2x-1)+(3x+9)+(6x+7)=180

2x-1+3x+9+6x+7=180

11x+15=180

11x=180-15

11x=165

x=165/11

x=15

2.<A=2x-1

  <A=2*15-1

  <A=30-1

  <A=29

   

3 0
3 years ago
Help me please!!! no links 10 points
Ksivusya [100]

in persectev i think the answer in bound to be 17/10

8 0
3 years ago
Read 2 more answers
You are heating liquid in a chemistry lab. Four minutes ago, the temperature of the liquid was -4 degrees Celsius. Since then, i
Marina CMI [18]
The rate of temperature rise is 2 degrees/minute.

The relation between temperature and time is of the form
y = 2x + b
where
x = time, minutes,
y = temperature, Celsius

When x = -4 min, y = - 4°C because the temperature was - 4°C 4 minutes ago. Currently, x = 0.
Therefore
-4 = 2(-4) + b
-4 = - 8 + b
4 = b

Part A
The relation is y = 2x + 4

Part B
When x = 15 (15 minutes from now), the temperature will be
y = 2(15) + 4 = 34°C

Answer: 34°C
6 0
4 years ago
If a concession owner pays $0.50 per pretzel, and it costs the owner $1.00 to have the pretzel prepared and served,
pogonyaev

Answer:$2.50

Step-by-step explanation:

4 0
4 years ago
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