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3 years ago

Can someone help me please ?

Mathematics

1 answer:

denis-greek [22]3 years ago

8 0

It is the one second from the top. the line is straight (y=-3) until it hits x=-1 then it starts increasing significantly

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The diagram shows a scale drawing of a playground the scale of the drawing is 1:500 work out the perimeter of the real playgroun

liraira [26]

Answer:

Check Explanation

Step-by-step explanation:

The complete question plus diagram is presented in the attached image to this solution.

From the attached image, the dimensions of the playground drawn will be a bit variable now as zooming and some editing might have tampered with the original intended dimensions to be measured.

But still, let us assume that on measuring the rectangular playground shown, we obtain approximately that the length is 4.5 cm and the breadth is 2 cm.

The scale to convert to real life is 1;500 indicating that

1 cm on the drawing = 500 cm lenght units of the real playground.

So,

4.5 cm on the drawing = 4.5 × 500 = 2250 cm of the playground

2 cm on the drawing = 2 × 500 = 1000 cm of the playground.

Hence, the real life dimensions of the playground is 2250 cm by 1000 cm.

In meters, that is 2.25 m by 1 m

The perimeter of a rectangular figure is given as

Perimeter = 2(Length + Breadth)

= 2(2.25 + 1)

= 6.5 m

Hope this Helps!!!

5 0

3 years ago

Scale the numerator and the denominator down by a factor of 4 (divide) to write a fraction equivalent to 24 56

lesantik [10]

The fraction equivalent to 24 /56 is 6/14.

<h3>What is fraction?</h3>

A fraction having whole numbers for the numerator and denominator. A fraction is a number of the form: ab where a and b are integers and b≠0. It represents the division of two numbers.

Given:

Scale the numerator and the denominator down by a factor of 4.

According to given question we have

Down by a factor of 4 means divide by 4.

when you scale the numerator and denominator down by 4, you just divide both of them by 4.

So since 24 divided by 4 is 6 and 56 divided by 4 is 14,

The answer is 6/14.

Therefore, the fraction equivalent to 24 /56 is 6/14.

Learn more details about fraction here:

brainly.com/question/10354322

#SPJ1

7 0

1 year ago

if the area of a sector is 15pi square cm and the radius is 5cm find the measure of the central angle

GalinKa [24]

Given:

Area of a sector = $15\pi$

Radius = 5 cm

To find:

The central angle.

Solution:

The area of a sector is:

$A=\dfrac{1}{2}r^2\theta$

Where, r is the radius and $\theta$ is the central angle in radians.

Putting $A=15\pi, r=5$ in the above formula, we get

$15\pi=\dfrac{1}{2}(5)^2\theta$

Multiply both sides by 2.

$30\pi=25\theta$

Divide both sides by 25.

$\dfrac{30\pi}{25}=\theta$

$\dfrac{6\pi}{5}=\theta$

Therefore, the central angle in radians is $\theta=\dfrac{6\pi}{5}$ .

4 0

3 years ago

Math question please help <br> If you get this right I will mark you as a brainliest

stepan [7]

40 x 26.5 /2 is 530which is b

3 0

4 years ago

Why does the series not exist?

Ber [7]

Step-by-step explanation:

(7n − 5) / (2n + 5) approaches 7/2 as n approaches infinity. However, this is an alternating series. So the function is fluctuating between -7/2 and +7/2. So the limit does not exist.

5 0

3 years ago