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stellarik [79]
2 years ago
6

Help I don't understand this math. Whoever gets the right answer gets Brainlist! :)​

Mathematics
1 answer:
Jlenok [28]2 years ago
5 0

Answer:

1200 more beats in 3 seconds or

400 more beats in 1 second

Step-by-step explanation:

A Mosquito beats its wings at a rate of 600 times per second.

A honey bee beats its wings at a rate of 200 times per second.

600 - 200 = 400

The mosquito beats 400 more times per second

400 X 3 = 1200

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Complete he statement below. Then use a number line to find the sum 5 + ( -4 )
skad [1K]

Answer:

The statement is 6 in the negative direction

5 + (-4) = 1

Step-by-step explanation:

7 0
3 years ago
A parabola has a focus of F(8.5,−4) and a directrix of x=9.5.
HACTEHA [7]

Answer:

-\frac{1}{2}y^2-4y+1=x

Step-by-step explanation:

A parabola has a focus of F(8.5,−4) and a directrix of x=9.5.

General form of  horizontal parabola is

(y-k)^2=4p(x-h)

the distance between directrix and focus is the value of p

so p = 8.5 - 9.5 = -0.5

Focus is (h+p , k), given focus is (8.5, -4)

So k = -4 and h+p = 8.5

we know p = -0.5

h +p = 8.5

h - 0.5 = 8.5

so h= 9                   and k = -4

vertex is (h,k) that is (9, -4)

Now plug in the value in the general equation

(y-k)^2=4p(x-h), k= -4, h= 9 , p = -0.5

(y+4)^2=4(-0.5)(x-9)

(y+4)^2=-2(x-9)

y^2+8y+16=-2x+18

subtract 18 on both sides

y^2+8y-2=-2x

Divide whole equation by -2

-\frac{1}{2}y^2-4y+1=x




4 0
3 years ago
It's solving multi-step inequalities
babymother [125]
H is less than or equal to 35

Just simplify each side and solve for the variable. 
4 0
2 years ago
Larry paid $4.16 for 4 tomatoes. At this same rate, how much would 7 tomatoes cost?
Anna71 [15]
The question is asking us to find how much seven tomatoes would cost. Well, to get our answer, we must first find the cost of one tomato.  We are given the information that paying $4.16 for 4 tomatoes. All we have to do now is divide 4.16 by 4, to get the price of one tomato. This gives us $1.04. Now, just multiply 1.04 by 7 to get 7.28. Therefore, the price of seven tomatoes is C. $7.28. Hope this helped and have a phenomenal day!
4 0
2 years ago
Read 2 more answers
PLEASE HELP ASAP! Will give brainliest for best answer!
ivanzaharov [21]

Answer:

J

Step-by-step explanation:

8 0
3 years ago
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