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3 years ago

Which two square roots are used to estimate square root of 8?

1 answer:

8 0

Please help I'm so confused!!!! 1. Which two square roots are used to estimate the square root of 5? a. square root of 1 and 2 b. square root of 2 and 4 c. square root 4 and 9 d. square root of 9 and 16 2.Which two square roots are used to estimate square root of 43? a. square...
October 29, 2014 by :)

Square Roots
1. Which two square roots are used to estimate the square root of 5? 2. Estimate the value of the square root of 43 to the nearest integer. 3. An estimate for the negitive square root of 66 is?
September 24, 2012 by Jamin

Math Help!
Which two square roots are used to estimate square root 67? A. Square root 36 and Square root 49. B. Square root 49 and Square root 64. C. Square root 64 and Square root 81. D. Square root 81 and Square root 100. Is the answer C? Thanks
November 3, 2014 by Laura Ashley

Math HELP!
Which two square roots are used to estimate square root 5? A. Square root 1 and square root 2. B. Square root 2 and square root 4. C. Square root 4 and square root 9. D. Square root 9 and square root 16. Is the answer B? Thanks
October 20, 2014 by Anonymous

7th grade math Ms. Sue please
2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block? (1 point) 1 foot 2 feet 3 feet 4 feet 3. Which of these numbers can be classified as irrational? (1 point) 1 over ...

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A student has scores of 85,83,98 and 77 on four quizzes. What must she score on the fifth quiz to have an average of at least 84

natulia [17]

We need to find the solution to:
(85 + 83 + 98 + 77 + x) / 5 >= 84 where x is the score in the last test
This is the same as:
(343 + x) / 5 >= 84
Multiplying both sides by 5 we get
343 + x >= 420
Subtracting 343 from both sides we get
x >= 77

There for the student must get a score of at least 77 on the last tests.

7 0

3 years ago

Jason places a mirror on the ground 40 feet from the base of a tree. He walks backwards until he can see the top of the tree in

Bas_tet [7]

Let
x---------------> the height of the tree

we know that
by using proportion
 $\frac{40}{8} = \frac{x}{6} \\ \\ 40*6=8*x \\ \\ x=40*6/8 \\ \\ x=30 feet$

therefore

the answer is
the height of the tree is $30$ feet

7 0

3 years ago

Read 2 more answers

6 times a number is greater than 20 more than that number what are the possible values of that number

Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

6x > x + 20

5x > 20

x > 4

6 0

3 years ago

Solve each exponential equation. round your answer to two decimal places.

notka56 [123]

4a.4²x +3=1

Slotuion:

4²x + 3=1 : x= -⅛ (Decimal:x= -0.125)

Steps

4² x +3=1

4²=16

16x + 3=1

Subract 3 from borh sides

16x +3-3=1-3

Simplify

16x=-2

Divides both sides by 16

$\frac{16 \times }{16} = [tex] \frac{ - 2}{16}$

[/tex]

Simplitfy

$\frac{16 \times }{16} : x$

Simplify

$\frac{ - 2}{16}: -⅛$

x = -⅛

therefore the answer is x= -⅛

4b.ex-1 -5 =5

x~=3.30258

explanation:

e^(x-1)-5=5

e^(x-1)=10

x-1=ln 10

x-1~=2.30258

x~=3.30258

$\large \pink{ \overbrace{ \underbrace{ \tt{ \color{red}{ \: \: \: \: \: \: \: hope \: it \: help \: you \: \: \: \: \: \: \: \: }}}}}$

7 0

2 years ago

Read 2 more answers

A textbook search committee is considering

lora16 [44]

Number of ways to select 3 books from 13 books for adoption is 286 .

Step-by-step explanation:

A Permutation is an ordered Combination. When the order does matter it is a Permutation. There are basically two types of permutation:

Repetition is Allowed: such as the lock above. It could be "333".

No Repetition: for example the first three people in a running race. You can't be first and second.

Formula is given by:

$nC_r= \frac{n!}{r! (n-r)!}$ , where n is the number of things to choose from, and we choose r of them, no repetitions, order matters. Here , n=13 , r=3.

⇒ $13C_3 = \frac{13!}{3!(13-3)!}$

⇒ $13C_3 = \frac{13!}{3!(10)!}$

⇒ $13C_3 = \frac{13(12)(11)10!}{3(2)(1)(10)!}$

⇒ $13C_3 = 13(2)(11)$

⇒ $13 C_3 = 286$

∴ Number of ways to select 3 books from 13 books for adoption is 286 .

3 0

3 years ago