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tester [92]
3 years ago
15

I have to find the angle measurements of a interior triangle a is 4x b is 7x-2 and c is 5x-10

Mathematics
1 answer:
RSB [31]3 years ago
5 0

Answer:

m\angle a=48^o\\m\angle b=82^o\\m\angle c=50^o

Step-by-step explanation:

we know that

The sum of the interior angles in any triangle must be equal to 180 degrees

so

m\angle a+m\angle b+m\angle c=180^o

substitute the given values

4x^o+(7x-2)^o+(5x-10)^o=180^o

solve for x

(16x-12)^o=180^o

16x=180+12\\16x=192\\x=12

Find the angle measurements

m\angle a=4(12)=48^o

m\angle b=7(12)-2=82^o

m\angle c=5(12)-10)=50^o

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Licemer1 [7]

Answer:

222.7 cm³ of paper to wrap this.

Step-by-step explanation:

The rectangular prism is SA=2(wl+hl+hw)

Where:

w=5  l=5 h=4  

SA= 2((5*5)+(4*5)+(4*5))

SA=2(25+20+20)

SA=2(65)=130cm³

The square base pyramid is A= lw+l\sqrt{x} (w/2)^2+h^2+w +w\sqrt{x} (1/w)^2+h^2

SA= 6*5+6*\sqrt{x} (5/2)^2+5^2+5*\sqrt{x} (6/2)^2

≈92.69578 cm³

Add the two together 130+92.70 =222.7 cm³

5 0
4 years ago
Read 2 more answers
Use factoring to solve the quadratic equation. 2x^2=5X+3
prohojiy [21]
Move everything to one side
Equation
2x^2 - 5x -3 = 0
Sq rt means square root or radical sign
Quadratic equation-> x = - (b) +/- Sq rt b^2 -4ac
2a
- (-5) +/- Sq rt (-5)^2 - 4(2)(-3)
2 (2)
5 +/- Sq rt 25 + 24
4
Sq rt 29 = 5.38
5 + Sq rt 29 divides over 4 and 5 - Sq rt 29 divides over 4.
4 0
3 years ago
Evaluate x + 6 if x = 2
Andrews [41]

Answer:

2+6=8

x is replaced by 2 so 2+6=8

7 0
3 years ago
Can cubic units be used to measure weight??
user100 [1]

Answer:

No, they can't.

Step-by-step explanation:

In geometry, cubic units can be defined as the units used to measure volume. The volume of a unit cube whose length, width and height are 1 unit each is 1 cubic unit. The length, width and height of the rectangular prism can be measured by counting the number of unit cubes.

3 0
3 years ago
Find the slope of (-3,8)(5,-1)
Svetach [21]

Answer:

Step-by-step explanation:

(-1 - 8)/(5 + 3) = -9/8 is the slope

7 0
3 years ago
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