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4 years ago

12

Which integers between square 30 and square 40

rt{x}" alt="\sqrt{x}" align="absmiddle" class="latex-formula">

2 answers:

Maslowich4 years ago

8 0

65 and 2 so explanation I really want some points

anygoal [31]4 years ago

7 0

Answer:

6

Step-by-step explanation:

The only integer whose square is between 30 and 40 is 6.

30 < x^2 < 40.

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Dean made a triangular wall shelf.

zhannawk [14.2K]

Answer:

The shelf is not a right triangle

Step-by-step explanation:

Given

$Sides = 14, 8, 8$

Required

Determine if it is a right triangle

To do this, we make use of Pythagoras theorem which implies that; the square of the longest side = the sum of the square of the two other sides.

So, we have:

$14^2 = 8^2 + 8^2$

Evaluate all squares

$196 = 64 + 64$

$196 = 128$

The above is not true because:

$196 \ne 128$

<em>Hence, the shelf is not a right triangle</em>

6 0

3 years ago

Trapezoid Area Problem

Luden [163]

Answer:

35

Step-by-step explanation:

A=1/2(b_1+b_2)h

A=1/2(4+10)5

A=1/2*70

A=35

3 0

3 years ago

Can someone explain how to do this? thank you!

Alisiya [41]

The answer will be <span>Negative

Write sin(</span> $\frac{5 \pi }{4}$ ) as sin( $\pi$ + $\frac{ \pi } {4}$ <span>)

Using the summation identity will be:
</span>=sin( $\pi$ )+cos( $\pi$ )sin( $\frac{ \pi }{4}$ <span>)
</span><span>
By following the trivial identity, you should get:
=</span>0* $\frac{ \sqrt{2}}{2}+(-1) \frac{\sqrt 2} {2}$

<span>Remove the parentheses on -1, then multiply</span>
=0* $\frac{ \sqrt 2} {2}-1* \frac{ \sqrt 2} {2}$

You should get:
$- \frac{ \sqrt 2} {2}$

6 0

3 years ago

Let f(x) = 8x - 7 what is f(4) <br><br> A. 25<br> B. 36<br> C.39<br> D. 32

NeTakaya

A. 25

8x4=32
32-7=[25]

6 0

4 years ago

Read 2 more answers

Hannah loves to read. She read 2 pages of a book in a bookstore before she bought it. She graphs her progress on the book since

Kisachek [45]

The answer is: <em>2 pages per minute</em>

6 0

3 years ago