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3 years ago

PLEASE HELP! look at picture 20 points!

Mathematics

2 answers:

zhuklara [117]3 years ago

7 0

4th option is right answer

weqwewe [10]3 years ago

4 0

Answer:

$\dfrac{2^3•5^2}{2^5•3•5^4}$

= $\dfrac{1}{2^2•3•5^2}$

Fourth option is the right answer.

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Please help me with this math question.

alex41 [277]

Answer:

275 m^3

Step-by-step explanation:

The volume of a triangular pyramid is V=(1/3)Ah, where A is the area of the triangular base and h is the height.

First, let's find A, the area of the base. The area of a triangle is bh/2, where b is the base and h is the height.

In this question, 5 is the base and 15 is the height, so A=5*15/2=75/2.

Now we know A is 75/2, so let's go back to the formula for the volume of a pyramid. We are given h is 22, so

V=(1/3)(75/2)*22=275

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3 years ago

What value of x satisfies the equation1/2 x 3 = -(x 1)?

Stella [2.4K]

3 x 0.5 = 1.5
1.5 = -(x) x = -1.5

5 0

3 years ago

Andrea needs a new air conditioning system

ValentinkaMS [17]

Answer:

She should buy one that accords to her budget and her needs

8 0

3 years ago

Brian invests £13400 into his bank account.

Iteru [2.4K]

9514 1404 393

Answer:

£17,755

Step-by-step explanation:

The formula for the balance of a simple-interest account is ...

A = P(1 +rt) . . . . P is the amount invested, r is the annual rate, t is years

A = £13400(1 + 0.065(5)) = £13400(1.325) = £17,755

Brian will have £17,755 after 5 years.

4 0

3 years ago

The cosst of 4 1 /4 kg of sugar is £68 .find the coast o 1 kg

ankoles [38]

Step-by-step explanation:

Hi, there!!

Here according to the question we must find the cost of 1 kg sugar.

Given that:

17/4 kg of sugar cost £68.

then 1 kg sugar costs,

= $\frac{68}{ \frac{17}{4} }$ 

after reciprocal we get,

= £68×4/17

=£16

The answer would come £16.

Therefore, The cost of 1 kg sugar is £. 16.

Hope it helps....

8 0

3 years ago

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