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lara31 [8.8K]
3 years ago
12

How do you put -26/3 on a number line

Mathematics
1 answer:
earnstyle [38]3 years ago
5 0

U make a big number line

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a cartoon holds 1.248 liters of fruit juice. what is this amount rounded to the nearest tenth? use the number line below.
mestny [16]
<span>amount rounded to the nearest tenth of 1.248 should be 1.2
Answer is 1.2</span>
6 0
3 years ago
Read 2 more answers
A baseball team had 75 players show up for tryouts last year and this year had 90 players show up for tryouts. Find the percent
olga_2 [115]

Answer: 33.3%

Step-by-step explanation:

First find the difference between the players in try-outs over the years.

= 90 - 75

= 25

Then use this difference to find the percent increase:

= Difference / Players last years * 100%

= 25 / 75 * 100%

= 33.3%

3 0
3 years ago
A wire that is 22 feet long connects the top of a pole to the ground. The wire is attached to the ground at a point that is 10 f
krok68 [10]

✰ <u>Concept</u><u> </u><u>Used</u><u> </u><u>:</u><u>-</u>

⠀

In this question, we can clearly observer that the diagram shows a right angled triangle. And, we have been provided with the value of base, and the value of hypotenuse, using the pythagoras theorem, now we can easily find out the value of the perpendicular i.e. the value of the side h. According to the pythagoras theorem, square of hypotenuse is equal to the sum of square of perpendicular and square of side respectively. Therefore, square of side is equal to the difference of square of hypotenuse and square of perpendicular.

⠀

✰ <u>Given</u><u> </u><u>Information</u><u> </u>:-

⠀

  • Hypotenuse = 22 ft.
  • Base = 10 ft.

⠀

✰ <u>To Find</u><u> </u><u>:</u><u>-</u>

⠀

  • The value of side or the perpendicular

⠀

✰ <u>Formula</u><u> </u><u>Used</u><u> </u><u>:</u><u>-</u>

⠀

\star \:  \underline{ \boxed{ \purple { \sf  {Side}^{2}  =  {Hypotenuse}^{2}  -  {Base}^{2}  }}} \:  \star

⠀

✰ <u>Solution</u><u> </u><u>:</u><u>-</u>

⠀

\sf \longrightarrow  {Side}^{2} =   {(22 \: ft)}^{2}  -  {(10 \: ft)}^{2}  \:  \:  \:  \\  \\  \\ \sf \longrightarrow  {Side}^{2} =   {484 \: ft}^{2}  -  {100 \: ft}^{2}  \:  \:  \: \:  \:  \:   \\  \\  \\ \sf \longrightarrow  {Side}^{2} =   {384 \: ft}^{2}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \\ \sf \longrightarrow  {Side}^{} =   \sqrt{ {384 \: ft}^{2} }  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \\ \sf \longrightarrow  {Side}^{} =   \underline{ \boxed{ \frak{ \green{19.60 \: ft}}}} \:  \star \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\

Thus, option B. 19.60 ft. is the correct option.

⠀

\underline{\rule{230pt}{2pt}} \\  \\

4 0
2 years ago
(a) Determine a cubic polynomial with integer coefficients which has $\sqrt[3]{2} + \sqrt[3]{4}$ as a root.
Keith_Richards [23]

Answer:

(a) x\³ - 6x - 6

(b) Proved

Step-by-step explanation:

Given

r = $\sqrt[3]{2} + \sqrt[3]{4}$ --- the root

Solving (a): The polynomial

A cubic function is represented as:

f = (a + b)^3

Expand

f = a^3 + 3a^2b + 3ab^2 + b^3

Rewrite as:

f = a^3 + 3ab(a + b) + b^3

The root is represented as:

r=a+b

By comparison:

a = $\sqrt[3]{2}

b = \sqrt[3]{4}$

So, we have:

f = ($\sqrt[3]{2})^3 + 3*$\sqrt[3]{2}*\sqrt[3]{4}$*($\sqrt[3]{2} + \sqrt[3]{4}$) + (\sqrt[3]{4}$)^3

Expand

f = 2 + 3*$\sqrt[3]{2*4}*($\sqrt[3]{2} + \sqrt[3]{4}$) + 4

f = 2 + 3*$\sqrt[3]{8}*($\sqrt[3]{2} + \sqrt[3]{4}$) + 4

f = 2 + 3*2*($\sqrt[3]{2} + \sqrt[3]{4}$) + 4

f = 2 + 6($\sqrt[3]{2} + \sqrt[3]{4}$) + 4

Evaluate like terms

f = 6 + 6($\sqrt[3]{2} + \sqrt[3]{4}$)

Recall that: r = $\sqrt[3]{2} + \sqrt[3]{4}$

So, we have:

f = 6 + 6r

Equate to 0

f - 6 - 6r = 0

Rewrite as:

f - 6r - 6 = 0

Express as a cubic function

x^3 - 6x - 6 = 0

Hence, the cubic polynomial is:

f(x) = x^3 - 6x - 6

Solving (b): Prove that r is irrational

The constant term of x^3 - 6x - 6 = 0 is -6

The divisors of -6 are: -6,-3,-2,-1,1,2,3,6

Calculate f(x) for each of the above values to calculate the remainder when f(x) is divided by any of the above values

f(-6) = (-6)^3 - 6*-6 - 6 = -186

f(-3) = (-3)^3 - 6*-3 - 6 = -15

f(-2) = (-2)^3 - 6*-2 - 6 = -2

f(-1) = (-1)^3 - 6*-1 - 6 = -1

f(1) = (1)^3 - 6*1 - 6 = -11

f(2) = (2)^3 - 6*2 - 6 = -10

f(3) = (3)^3 - 6*3 - 6 = 3

f(6) = (6)^3 - 6*6 - 6 = 174

For r to be rational;

The divisors of -6 must divide f(x) without remainder

i.e. Any of the above values  must equal 0

<em>Since none equals 0, then r is irrational</em>

3 0
2 years ago
Donna went to write spot and purchased $12.57 worth of snacks she has $ 12.10 on her debit card. What’s her new balance?
Fittoniya [83]

Answer:

She can't pay it but it will be -0.47 , but i'm not sure because i don't speak English

Step-by-step explanation:

12.10 - 12.57 = -0.47

7 0
2 years ago
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