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Natali [406]
3 years ago
11

Help me whit this please

Mathematics
1 answer:
Bezzdna [24]3 years ago
5 0

Answer:

(5,-3) *red* i cant tell wht it says very well

Step-by-step explanation:

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A. the weight of a kitten compared with its age in months. This is constantly changing because the kitten is constantly getting older
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Maria has baked a cake for cathy birthday. The dimensions of the cake are 13 1/2 inches by 6 3/4 inches.The cake is going to be
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3 years ago
The graph below shows the distance, y, in miles, of a bird from its nest for a certain amount of time, x, in minutes:
Montano1993 [528]

Answer:

0.2 miles per minute represents the speed of the bird and 3 miles represents the original distance of the bird from its nest.

Step-by-step explanation:

As there is no graph mentioned here but the information are quite sufficient to answer the question.

We have points (0,3), (5,4),(10,5)...

From these points we can find the slope of the line .

From point slope formula y-y_1=m(x-x_1)

And assigning (x,y) (0,3) and (x_1,y_1) (5,4)

m=\frac{y_1-y}{x_1-x} =\frac{4-3}{5-0} =\frac{1}{5}=0.2

This slope is also the speed of the bird which is 0.2\ miles\ per\ minute.

As by plugging the values of any coordinate point we can confirm this.

Lets put (10,5), y-axis is the distance so in 10 minutes the the distance covered by the bird must be equal to to y-axis value which is 5 miles.

y=0.2(x),y=0.2(10)=5\ miles

Now as in t=0 the bird has started from y-intercept value 3 so we can say that,the original distance of the bird from its nest is 3\ miles.

So the correct choices are:B and D

The birds speed is 0.2\ miles per minute and is 3\ miles away from its nest.

7 0
3 years ago
PLEASE HELP ME thank you<br><br> answer needs to be in simplest radical form <br><br> find d
sweet [91]

Answer:

d=10

Step-by-step explanation:

Pythagorean theorem:

d^2+d^2=10\sqrt{2}^2,\\2d^2=200,\\d^2=100,\\d=\boxed{10}

Alternative:

\cos 45^{\circ}=\frac{d}{10\sqrt{2}},\\\frac{\sqrt{2}}{2}=\frac{d}{10\sqrt{2}},\\2d=10\sqrt{2}\cdot \sqrt{2},\\2d=20,\\d=\boxed{10}

Alternative (derived from the Pythagorean theorem):

All 45-45-90 triangles have side lengths x-x-x\sqrt{2}, where x\sqrt{2} is the hypotenuse. Since this triangle's hypotenuse is 10\sqrt{2}, its sides are 10-10-10\sqrt{2}.

3 0
3 years ago
Read 2 more answers
Date:
Free_Kalibri [48]

Answer:

Yes

Step-by-step explanation:

We know that 1.39 is less than 1.5 and 3.75 is less than 4.

Hence the price of 3.75kg is going to be less than: 4*1.5=$6

Given that apples cost  $1.39 per kilogram, then the price of 3.75 kg of apples is  3.75*1.39=$ 5.2125.

Because 5.2125 is actually less than $6

This means that $6 can buy 3.75 kg of apples.

3 0
3 years ago
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