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NikAS [45]
2 years ago
14

Please help i will mark branliest !

Mathematics
2 answers:
mina [271]2 years ago
5 0

Answer:

c

Step-by-step explanation:

cause dector recommended less than 400 or equal to 400...so answer is c

Yuki888 [10]2 years ago
4 0

Answer:

C

Step-by-step explanation:

Because equation C is telling us that the amount of caffeine is less than 400.

Hope this will help

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Convert y + 3 = -3(x + 5) to standard form.
emmasim [6.3K]
Hi there!

y  + 3 =  - 3(x + 5)
First we need to work out the parenthesis, which can for instance be done using rainbow technique.

y + 3 =  - 3x  -  15
Now subtract 3 from both sides.

y =  - 3x  - 18
And finally add 3x to both sides.

3x + y =  - 18
The 4th answer choice is correct.



6 0
3 years ago
What is the volume of a right circular cone that has a height of 14.9 cm and a base with the circumference of 2.9 cm rounded to
xxMikexx [17]

Answer:

The answer to your question is  Volume = 3.30 cm³

Step-by-step explanation:

Data

Volume = ?

height = 14.9 cm

circumference = 2.9 cm

Process

1.- Calculate the radius

   circumference = 2πr

-Substitution

   2.9 = 2πr

-Solve for r

   r = 2.9/2π

   r = 1.45/π cm

2) Calculate the volume of the cone

   Volume = 1/3πr²h

-Substitution

   Volume = 1/3π(1.45/π)²(14.9)

-Simplify

   Volume = (1.04)(0.213)(14.9)

   Volume = 3.30 cm³

5 0
3 years ago
Distribute -(-4v+6.3w-9.8)
Firdavs [7]

Answer:

4v-6.3w+9.8

Step-by-step explanation:

If you distribute the negative sign (same as distributing -1), then you get -(-4v) + (-6.3w) - (-(9.8))

Basically it's switching the signs

Hope that helped :)

3 0
3 years ago
1. Kaly can select from 5 types of candies and 4 types of chocolates . If she randomly selects 1 chocolate and 1 candy, how many
kykrilka [37]

Answer:

20..... 1/10

Step-by-step explanation:4x5 equals twenty

2/20 divided by 2 is 1/10

7 0
3 years ago
What is the value of y in the solution to the system of equations?
Yuliya22 [10]

Answer: y = 8

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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