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cluponka [151]
3 years ago
6

Andre wrote the expression -2 + 4x = 3 to represent the relationship shown in the table. Write two other expressions that also r

epresent the relationship shown in the table. ​
Mathematics
1 answer:
defon3 years ago
7 0

Two other expressions that also represent the relationship shown in the table are;

  • <em>4x-5 = 0</em>
  • <em>4x-5 = 0x = 5/4</em>

According to the question;

  • Andre wrote the expression <em>-2 + 4x = 3 </em>to represent the relationship shown in the table

In essence, to write two other expressions that also represent the relationship shown in the table; we can rearrange the terms in the expression Andre wrote<em> (-2 + 4x = 3) </em>as follow;

First <em>expression</em> is;

  • -2 - 3 + 4x = 0

  • <em>4x-5 = 0</em>

Second <em>expression</em> is;

  • 4x = 5

  • <em>x = 5/4</em>

<em>Read </em><em>more:</em>

brainly.com/question/13968118

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Kanna wants to buy 6 of flowers. Each flower cost $1.30 but the bundle of 6 cost $7.50. What is the better deal for Kanna.
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Answer: 6 for $7.50

Step-by-step explanation:

6 * 1.30 = $7.80

6 for $7.50

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2 years ago
(CO 4) In a sample of 8 high school students, they spent an average of 24.8 hours each week doing sports with a sample standard
AveGali [126]

Answer:  

(22.12, 27.48)

Step-by-step explanation:

Given : Significance level : \alpha: 1-0.95=0.05

Sample size : n= 8 , which is a small sample (n<30), so we use t-test.

Critical values using t-distribution: t_{n-1,\alpha/2}=t_{7,0.025}=2.365

Sample mean : \overline{x}=24.8\text{ hours}

Standard deviation : \sigma=3.2\text{ hours}

The confidence interval for population means is given by :-

\overline{x}\pm t_{n-1,\alpha/2}\dfrac{\sigma}{\sqrt{n}}

i.e. 24.8\pm(2.365)\dfrac{3.2}{\sqrt{8}}

24.8\pm2.67569206001\\\\\approx24.8\pm2.68\\\\=(24.8-2.68, 24.8+2.68)=(22.12, 27.48)

Hence, the 95% confidence interval, assuming the times are normally distributed.=  (22.12, 27.48)

6 0
3 years ago
Emmy throws a doggy toy up in the air. The path of the toy is modeled by the function f(x)=−x^2+4x+5, where x is the number of f
Molodets [167]

Answer:

9feet

Step-by-step explanation:

Given the path of the toy modeled by the function f(x)=−x^2+4x+5, where x is the number of feet the toy is from Emmy and f(x) is the height of the toy.

AT maximum height, the velocity of the toy will be zero. Hence;

df(x)/dx = 0

-2x + 4 = 0

-2x = -4

x = -4/-2

x = 2

Get the maximum height;

Substitute x = 2 into the given function;

f(x)=−x^2+4x+5

f(2)=−2^2+4(2)+5

f(2) = -4+8+5

f(2) = 9feet

Hence the maximum height of the toy is 9feet

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3 years ago
A pair of parallel lines is cut by a transversal:
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2 years ago
Read 2 more answers
Find the value of 3/4 x 14
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Answer:

21/2

Step-by-step explanation:

\frac{3}{4}\times\:14\\\\\mathrm{Convert\:element\:to\:fraction}:\quad \:14=\frac{14}{1}\\=\frac{3}{4}\times\frac{14}{1}\\\\\mathrm{Cross-cancel\:common\:factor:}\:2\\=\frac{3}{2}\times\frac{7}{1}\\\\=\frac{3\times\:7}{2\times\:1}\\\\=\frac{21}{2}

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