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3 years ago

Betweeen which two integers would each of the following lie ?

Mathematics

1 answer:

nalin [4]3 years ago

5 0

Answer:

1.) 5 and 6

2.) 3 and 4

3.) 12 and 13

4.) 17 and 18

5.) 23 and 24

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1/5(2x-10)+4x=-3(1/5x+4)

borishaifa [10]

First solve to your equation by step by step.

1/5(2x-10)+4x=-3(1/5x+4)
= x=-2

Answer is x=-2

It will help you.

3 0

2 years ago

Read 2 more answers

Calculate the perimeter of a rectangle which is eleven metres long and four metres wide.

Leviafan [203]

Step-by-step explanation:

the formulae to find the perimeter of a rectangle is p = 2(l+w)

<em>where</em>

p= perimeter

L = length

W = width

just add the length and width {given in the question} , and multiply them by 2

answer: = 2(11+4)

= 2 × 15

= 30 m

6 0

2 years ago

What is the balue of x in the proportion 2 1/4 / x= 1 1/2/3/35?

never [62]

Answer:

5 2/5

Step-by-step explanation:

(2 1/4) / x = (1 1/2) / (3 3/5)

x = (2 1/4) * (3 3/5) / (1 1/2)

7 0

2 years ago

Write the given trinomial if possible as a square of a binomial or as an expression opposite to a square of a binomial:

Ksenya-84 [330]

$\frac{4}{9}b^2 + 0.4bc + 0.09c^2 = \frac{4}{9}b^2 + \frac{4}{10}bc + \frac{9}{100}c^2 = (\frac{2}{3}b + \frac{3}{10}c)^2$

7 0

3 years ago

What is the surface area of this composite solid?______________ square feet 242 319 363 517

jeka57 [31]

Answer:

<h2>The right answer is 415.4 cubic feet.</h2>

Step-by-step explanation:

As you can observe in the image attached, the composite figure is formed by a square prism and a pyramid on top.

We need to find the volum of each part separately.

<h3> Square prism.</h3>

$V_{prims}=11 \times 11 \times 2=242 \ ft^{3}$

<h3>Square pyramid.</h3>

First, we need to find the height of the pyramid. We already know the height of each triangular face of the pyramid, which divides equally the side.

Let's use Pythagorean's Theorem to find the height of the pyramid.

$7^{2}=h^{2} +(5.5)^{2}\\ 49-30.25=h^{2}\\ h=\sqrt{18.75} \approx 4.3$

The height is 4.3 feet, approximately.

Now, we find the volume of the pyramid

$V_{pyramid}=\frac{1}{3}(11 \times 11 \times 4.3) \approx 173.4ft^{3}$

The sum of both figures represents the total volume of the composite figure

$V_{total}=242+173.4=415.4ft^{3}$

Therefore, the right answer is 415.4 cubic feet.

3 0

2 years ago

Read 2 more answers