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3 years ago

10. Solve for z: 2 + 8 - z = -24

Mathematics

1 answer:

iVinArrow [24]3 years ago

7 0

Answer:

The answer is z = 34.

Step-by-step explanation:

1) Simplify 2 + 8 - z to 10 - z.

$10 - z = - 24$

2) Subtract 10 from both sides.

$- z = - 24 - 10$

3) Simplify - 24 - 10 to -34.

$- z = - 34$

4) Multiply both sides by -1.

$z = 34$

Therefor, the answer is z = 34.

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What is the area of triangle ABC ? round to the nearest square unit ?

mash [69]

Answer: 33 square units

Step-by-step explanation:

Given: Sides lengths of the triangle : 16 units, 10 units, 8 units.

Heron's formula:-

$\text{Area of triangle}=\sqrt{s(s-a)(s-b)(s-c)}$ , where s is the semiperter and a,b and c are the side-lengths of the triangle.

Let a=16 , b=10 and c=8

Then,

$s=\dfrac{a+b+c}{2}=\dfrac{16+10+8}{2}=17$

Using Heron's formula:-

$\text{Area of triangle}=\sqrt{17(17-16)(17-10)(17-8)}\\\\\Rightarrow\ \text{Area of triangle}=\sqrt{1071}=32.7261363439\approx33\text{ square units}$

5 0

3 years ago

4x-5(3x+10)=126 what’s the value of X?

nordsb [41]

X= -16 brahhhhh you’re welcome

6 0

3 years ago

10. Find the value of d in the similar polygons below.

ruslelena [56]

D/7.29 = 1.5/4.05
d = (1.5/4.05)7.29 = 2.7

3 0

3 years ago

Can someone please help me? Please show your work for each answer. Thank you in advance :)

sergey [27]

Answer:

6. c = 5

7. b = 8

8. a = 0.75

9. b = 12

10. c = 0.5

11. c = 17

12. b = 1.34

13. a = 4.5

14. a = 1.2

15. c = 6.1

16. b = 15

17. c = 41

18. a = 7

19. c = 8.5

20. b = 4

Step-by-step explanation:

You need to use Pythagorean theorem. Put the number for a in a, b in b, and c in c. DON'T forget to square a, b, and c.

7 0

3 years ago

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dem82 [27]

Answer:

-7/5 is the correct answer

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3 years ago

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