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Savatey [412]
2 years ago
11

If a ⊥ y and x ∥ y, then _____

Mathematics
1 answer:
Afina-wow [57]2 years ago
5 0

Answer:

x⊥a

Step-by-step explanation:

If we draw this out, we see that x is perpendicular to a as well.

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John is digging a hole for a swimming pool,the hole will be 28 feet long, 5 feet wide, 34 feet wide. How much cubic feet of dirt
ivann1987 [24]

Answer:

John need to remove <u>4760 cubic feet</u> of dirt.

Step-by-step explanation:

Given:

John is digging a hole for a swimming pool,the hole will be 28 feet long, 5 feet wide, 34 feet wide.

Now, to find the cubic feet of dirt John need to remove.

Length = 28 feet.

Width = 5 feet.

Height = 34 feet.

<u><em>As the swimming pool is in the shape of a rectangular prism.</em></u>

So, we put formula of volume to get the cubic feet of dirt need to remove:

Volume = length\times width\times height

Volume=28\times 5\times 34

Volume=4760\ cubic\ feet.

Therefore, John need to remove 4760 cubic feet of dirt.

6 0
3 years ago
How do you find a proportional relationship in a table?
jekas [21]

AnsweTo see if multiple ratios are proportional, you could write them as fractions, reduce them, and compare them. If the reduced fractions are all the same, then you have proportional ratios.r:

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Triangle ABC has a perimeter 22cm AB = 8cm BC =8cm By calculation, deduce whether triangle ABC is a right angle triangle. NEED A
Likurg_2 [28]

Answer:

No ABC is not a triangle

Step-by-step explanation:

Perimeter = 22 cm

AB = 8 cm ; BC = 8 cm

AC = 22 - ( 8 + 8 ) = 6 cm

But all those sides doesn't follow Pythagorean Theorem(AB^2 + BC^2 = AC^2) ....because 8^2 + 8^2 isn't equal to 6^2 ......

Had it followed the theorem , it could have been a right angle triangle...

6 0
3 years ago
Anyone know this I’m stuck?
alexandr1967 [171]

Answer:

The answer is B.

Step-by-step explanation:

3 0
3 years ago
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If there are 360 g of radioactive material with a half life (decreased by half or 50% )of 1 hour, how much of the radioactive ma
Lostsunrise [7]

After 1 hour, 360 g decays to 180 g.

After another hour (total 2 hours), 180 g decays to 90 g.

After another hour (total 3), 90 g decays to 45 g.

After one more (total 4), 45 g decays to 22.5 g.

More quickly, with a half-life of 1 hour, the 360 g of starting material decays to

(360 g) / 2⁴ = 22.5 g

In general, if the half-life is 1 hour, then after <em>n</em> hours, an initial amount <em>A</em> of this substance decays according to

<em>A</em> / 2<em>ⁿ</em>

5 0
3 years ago
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