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2 years ago

Y = 3x - 1 has a gradient of 3 write the equation of a line parallel to it

Mathematics

1 answer:

Ray Of Light [21]2 years ago

8 0

Any equation that has the same gradient is parallel to it. E.G y = 4x + 5

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P is an odd number.<br> Explain why p^2 +1 is always even number

Stells [14]

Answer:

every odd number that squares up and add 2 will give an even answer

8 0

2 years ago

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How can you use unit rates to solve pricing problems?

melomori [17]

Answer:

a ratio is a comparison of two numbers or measurements

the objects being compared are called the terms of the ratio.

if the tow terms are different units this is called a rate.

example:

David covers 600 miles in 8 hours and John covers 380 miles in 5 hours. Who is driving faster ?

solution:

Distance covered by David in 1 hour is

= 600 / 8

= 75 miles per hour

Distance covered by John in 1 hour is

= 380 / 5

= 76 miles per hour

When we compare the above unit rates (Distance covered in 1 hour), John is driving faster than David.

5 0

3 years ago

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The volume of a cylinder is 770 cm. It's height is 5 cm. Find its approximate radius.

Alinara [238K]

Hey there,

The equation for the volume of a cylinder is V = πr²h.

The first step into finding the radius is to plug in what you already know into the equation:

770 = πr²5

We divide both sides by 5:

154 = πr²

Now we divide both sides by π:

49.0197224723 = r²

Finally we just do the square root of 49.0197224723:

7.0014086063 = r

The radius therefore would be about 7cm.

Hope I helped,

Amna

3 0

3 years ago

Eva is making a pattern using these shapes can you arrange Evas shapes to make a symmetrical pattern

ratelena [41]

Answer:

pyramid, cone, sphere, cube

Step-by-step explanation:

A symmetrical pattern is one that is arranged in such a way that there is a progressive repetition of a pattern. Each pattern formed is the same with respect to each other.

Eva could form series symmetrical patterns with the shapes he has, which depends on the arrangement of the shapes to form desired pattern.

One simple pattern to be formed is;

pyramid, cone, sphere, cube

pyramid, cone, sphere, cube.

Thus, this would generate four symmetrical continuous patterns.

pyramid, cone, sphere, cube : pyramid, cone, sphere, cube : pyramid, cone, sphere, cube : pyramid, cone, sphere, cube.

6 0

3 years ago

Which choice correctly shows the solution(s) of the equation x2 = 400?

Arada [10]

x2=400

x=√400

=20

20^2=400

5 0

3 years ago