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KengaRu [80]
3 years ago
7

Please help being timed for test !

Mathematics
1 answer:
balu736 [363]3 years ago
3 0

Answer:

I think it B or C but hope I can help :)

Step-by-step explanation:

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Log7 (-5k-3)=log7 -4k
exis [7]

Answer:

k = -3

Step-by-step explanation:

log7(-5k - 3) = log7 (-4k)

---> -5k - 3 = -4k

-k - 3 = 0

k = -3

5 0
3 years ago
Can you Just pls Tell me the answer
andrew11 [14]

Answer:

1. Equation is x - 5 = 8

x = 13

2. Equation is 4x - 4 = 10

x = 3.5

3. Equation is x/4 = 8

x = 32

4. Equation is 5x = 10

x = 2

5. Equation is x - 5 / 2 = 14

x = 33

6. Equation is 4x / 5 = 10

x = 12.5

7. Equation is 2x - 10 = 8

x = 9

8. Equation is 3x + 6 / 3 = 10

x = 8

9. Equation x + 8 / 4 = 14

x = 48

8 0
2 years ago
It is used to name a circle.
Darya [45]

Answer:

do you have a photo I don't get it not being funny do you have a photo or something I'm trying to help as much as I can

6 0
3 years ago
Read 2 more answers
A circle has a radius that is 4 centimeters long. If a central angle has a measure of 3 radians, what is the length of the arc t
kirill115 [55]
The total length of the circle is calculated by the following formula:

Lenght = 2.π.r

As r = 4c

Then,

Lenght = 2.π.4

Lenght = 8π centimetrs

Now use the rule of 3


But we have to know:

...<..> ...

Then,

8π ________ 2π <= 360°

x ________ 3π


2π . x = 8π . 3π

x = (8π . 3π) / 2π

x = (8 . 3π)/ 2

x = 12π centimenters

x ~ 37,69 c
4 0
2 years ago
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Jose wants to find the perimeter of triangle ABC. He uses the distance formula to determine the length of AC. Finish Jose’s calc
Vlad [161]

Answer:

15 units

Step-by-step explanation:

15.0

8 0
2 years ago
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