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Mazyrski [523]
3 years ago
10

If you are good at math please help with both questions

Mathematics
1 answer:
12345 [234]3 years ago
8 0
10. a. x=12
b. m 10.
a. x=12
b. m11.
a. Y=55 W=75 Z=45
b. Chelsea’s solution was incorrect because if you add all the angles up you only get 175 and a triangle measures 180 degrees. .
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Solve x: 3x-7 = 5x+13 <br> Solve x: 7-3x = 5x+13
Svetach [21]
First you need to combine like terms
7-3x= 5x+13
step 1 add 3x
7=8x+13
step 2 subteact 13
-6=8x
step 3 divide both sides by two
x=-3/4
4 0
3 years ago
Read 2 more answers
Find the area of the shape
Tema [17]

Answer:

  • A. 104 cm²

Step-by-step explanation:

<u>The area is:</u>

  • 22*4 + 2*(1/2)*4*4 = 88 + 16 = 104 cm²

Correct choice is A

5 0
2 years ago
What is 3/4 divided by 12/25?<br> Please help!
Alona [7]
<h2>Answer:</h2><h2>1 9/16 or 1.5625</h2><h2></h2><h2>Hope this helps!!</h2>
7 0
2 years ago
Read 2 more answers
Will give brainless whatever that means. Due today. The radius of a basketball is 10 inches, and the radius of a soccer ball is
Helen [10]

9514 1404 393

Answer:

  1135.2 in³

Step-by-step explanation:

The volume of a sphere is given by the formula ...

  V = (4/3)πr^3

The difference in volume will be ...

  ∆V = Vb -Vs = (4/3)π(10^3 -9^3) = (4/3)π(1000 -729) = 4/3π·271 . . . cubic in

  ∆V ≈ 1135.2 . . . cubic inches

The basketball has a volume that is 1135.2 cubic inches greater.

_____

If you use 3.14 for π, your answer is 1134.6 in^3.

7 0
3 years ago
The area of parallelogram WXYZ is approximately 45 square units.
neonofarm [45]

Answer:

Option (4)

Step-by-step explanation:

Area of a triangle = \frac{1}{2} (a.b.\text{Sin}\theta)

Where a and b are the sides of a triangle and θ is the angle between the sides a and b.

By this rule,

Area of ΔWZY = \frac{1}{2}(\text{WZ}).(\text{YZ}).\text{Sin}(115)

45 = \frac{1}{2}(\text{YZ}).(10).\text{Sin}(115)

9 = (YZ).Sin(115)°

YZ = \frac{9}{\text{Sin}(115)}

YZ = 9.93

Perimeter of parallelogram WXYZ = WX + XY + YZ + WZ

                                                         = 9.93 + 10 + 9.93 + 10

                                                         = 39.86

                                                         ≈ 40 units

Therefore, perimeter of the parallelogram is 40 units.

Option (4) is the answer.

4 0
2 years ago
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