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Lelu [443]
4 years ago
15

(1) The roots of 3x - 5 = 7 is x = 4​

Mathematics
1 answer:
aivan3 [116]4 years ago
6 0

Answer:

it's right

Step-by-step explanation:

3x - 5 = 7

3x = 7 + 5

3x = 12

x = 12/3

x = 4

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What is angle E!!!! please!!! please!!!
Gennadij [26K]

Answer:

114°

Step-by-step explanation:

By intersecting chords theorem:

m\angle CED = \frac{1}{2} (96\degree + 36\degree)

\therefore m\angle CED = \frac{1}{2} (132\degree)

\therefore m\angle CED =66\degree

Next, by linear pair angles theorem:

m\angle BEC+m\angle CED =180\degree

\therefore m\angle BEC+66\degree =180\degree

\therefore m\angle BEC =180\degree-66\degree

\therefore m\angle BEC =114\degree

5 0
3 years ago
All changes saved
lidiya [134]

Answer:

y=60+25h+0.3r

Step-by-step explanation:

let y be the total charges

given that the hour is h

and the cost for raw material is r

therefore

1. The first hour of service call = $60

2. For each additional hour= 25h

3. 30% over the cost of the materials.= 30/100*r=0.3r

total charges

y=60+25h+0.3r

therefore the expression is

y=60+25h+0.3r

6 0
3 years ago
What is 9/10 - 2 3/4 i. the simplest form
Jlenok [28]

−1.85 it says too short so ignore this ssssssndjbdbjddn

8 0
3 years ago
Read 2 more answers
3. Cuál de las siguientes fracciones NO es equivalente a 6/11:
Readme [11.4K]

Answer:

C no es equivalente a 6/11.

Step-by-step explanation:

24/42 no es equivalente a 6/11 porque, cuando se simplifica, no es igual a este número. Si usamos el número 6 para simplificar, la respuesta a 24/42 sería 4/7, que no es igual a 6/11.

7 0
3 years ago
Read 2 more answers
Find the volume of the specified cone. Use 3.14, and round your answer to the nearest whole number.
Xelga [282]
The formula for the volume of a cone is V=(1/3)πr^2h.
To find r (radius) divide the diameter by 2, giving you 2.5 cm.
Plug in the numbers now !
V=(1/3)(3.14)(2.5^2)(9)
V=(1/3)(3.14)(6.25)(9)
V=(1/3)(176.625)
V=58.875
Therefore, the volume of the cone is about 59cm^3 :)
4 0
4 years ago
Read 2 more answers
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