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Nadya [2.5K]
3 years ago
5

What is the slope of the line represented by the equation y+3=-4(x-5)

Mathematics
2 answers:
jekas [21]3 years ago
7 0
Correct choice is, D. 4
ziro4ka [17]3 years ago
6 0
Y + 3 = -4(x - 5) is in point slope form.
Point slope form (attachment)

In slope intercept form, or y = mx + b, we know that m represents the slope and b represents the y-intercept.

In the equation you mentioned in your question, -4 is the slope.
The ordered pair would be (5, -3).

The answer is A. -4.

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The pie chart to the right shows how adults rate their financial shape. Suppose 4 people are chosen at random from a group of 14
Salsk061 [2.6K]

<u>Question Completion</u>

PIE CHART NUMBERS:

  • Excellent 9%
  • Good 41%
  • Fair 36%
  • Poor 13%
  • Other 1%

Answer:

0.000063

Step-by-step explanation:

Number of Respondents, n=1400

Probability that they would rate their financial shape as​ excellent = 0.09

Number of Those who would rate their financial shape as excellent

=0.09 X 1400

=126

Therefore:

The probability that 4 people chosen at random would rate their financial shape as​ excellent

=\dfrac{^{126}C_4 \times ^{1400-126}C_0}{^{1400}C_4} \\=\dfrac{^{126}C_4 \times ^{1274}C_0}{^{1400}C_4}\\=0.000063 $(correct to 6 decimal places)

6 0
3 years ago
Hello:) anyone able to explain how to solve the equestrian for part (d) ? Thank youu
Anna007 [38]

Answer:

see explanation

Step-by-step explanation:

Given

4a^{4} - 5a² + 1 = 0

Use the substitution u = a², then equation is

4u²  - 5u + 1 = 0

Consider the product of the coefficient of the u² term and the constant term

product = 4 × 1 = 4 and sum = - 5

The factors are - 4 and - 1

Use these factors to split the u- term

4u² - 4u - u + 1 = 0 ( factor the first/second and third/fourth terms )

4u(u - 1) - 1(u - 1) = 0 ← factor out (u - 1) from each term

(u - 1)(4u - 1) = 0

Equate each factor to zero and solve for u

u - 1 = 0 ⇒ u = 1

4u - 1 = 0 ⇒ 4u = 1 ⇒ u = \frac{1}{4}

Convert u back into terms of a, that is

a² = 1 ⇒ a = ± 1

a² = \frac{1}{4} ⇒ a = ± \frac{1}{2}

Solutions are a = ± 1 , a = ± \frac{1}{2}

7 0
3 years ago
On Thursday, a website received x advertisement orders. On Friday, the website received 8 more advertisement orders than on Thur
gladu [14]

Answer:

2x+8

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the value of x that makes the lines parallel
Andreyy89
The equation is
8x +7=125
8 0
3 years ago
Read 2 more answers
If a trader make a loss of 10% when he sells a watch for 15,300
puteri [66]

Answer:

A. original price: 16830

B. Profit gain: 918

10%=1530

6%=918

#gamer

4 0
3 years ago
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