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zlopas [31]
3 years ago
6

OKAY I NEED HELP. DONT MIND THE FACT I HAVED IT ANSWERED IT DOESNT SEEM TO LET ME TAKE IT OFF BUT I NEED HELP PLS D:::

Mathematics
2 answers:
Ahat [919]3 years ago
8 0

Answer:

D 219.2 km

Step-by-step explanation:

137/5=27.4

27.4x8=219.2

Scilla [17]3 years ago
6 0

Answer:

I'm pretty sure the answer you have selcted is right

Step-by-step explanation:

You might be interested in
Jessie recently drove to visit her parents who live 756 miles away. On her way there her average speed was 21 miles per hour fas
mixer [17]

Answer:

the answer is 456 miles per hour

4 0
2 years ago
An acorn falls from the branch of a tree to the ground 25 feet below. The distance, S, that the acorn is from the ground as it f
Hunter-Best [27]

Answer:

0

Step-by-step explanation:

We are given that,

The fall of the acorn is represented by the function,

S(t) =-16t^2+25

Equating S(t) to 0 gives,

0=-16t^2+25

i.e. 16^2=25

i.e. t^{2}=\frac{25}{16}

i.e. t=\pm \frac{5}{4}

Since, time cannot be negative.

So, t=\frac{5}{4} i.e. 1.25 seconds is the time when the acorn will reach the ground.

Thus, from the figure below, we see that,

The interval in which the acorn is in the moving air is 0.

7 0
3 years ago
Read 2 more answers
In the circle below, chord AB passes through the center of circle 0. If the radius OC is perpendicular to chord AB and has lengt
Airida [17]

Answer:

Option (C)

Step-by-step explanation:

In the given circle, AB is a chord passing through the center O.

Therefore,chord AB is a diameter of the circle and OC is the radius.

AO = OB = OC

OC⊥AB, and length of OC = 7 cm

By applying Pythagoras theorem in right ΔBOC,

BC² = OC² + OB²

BC = \sqrt{OC^{2}+OB^{2}}

     = \sqrt{7^2+7^2}

     = 7\sqrt{2}

     ≈ 9.9 units

Therefore, Option (C) will be the answer.  

7 0
3 years ago
Graph function y=12^x
Kobotan [32]

                                  graph is in attachment

8 0
3 years ago
Stuck, anyone can help?
expeople1 [14]

Answer:

Step-by-step explanation:

\sqrt{x-3} = x - 5 ( x ≥ 3 )

( \sqrt{x-3} )² = ( x - 5 )²

x - 3 = x² - 10x + 25

x² - 11x + 28 = 0

(x - 4)(x - 7) = 0

x_{1} = 7

x_{2} = 4

Check the answer:

1). x = 7

\sqrt{7-3} = 7 - 2

√4 = 2

2 = 2

2). x = 4

\sqrt{4-3} = 4 - 5

1 = - 1 (False statement) ⇒ x = 4 is an extraneous solution.

6 0
2 years ago
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