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lord [1]
3 years ago
5

Jacqueline had $.84 cents her brother gave her another $.61 cents write the amount of money Jacqueline now has as a decimal expl

ain
Mathematics
1 answer:
gladu [14]3 years ago
8 0
It is 0.23 because 84-61 is 23 and 23 Divided by 100 is 0.23
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Choose the correct slope of the line that passes through the points (1, −3) and (3, −5). (1 point)
gayaneshka [121]
1 is the correct answer
6 0
3 years ago
A parallelogram has base (2x - 1) metres and height (4x - 7) metres.
Jobisdone [24]

Answer:

0.4069 ; 1.843

Step-by-step explanation:

Given:

Base of parallelogram, b = (2x - 1)

Height = (4x - 7)

Area = 1

Area of parallelogram = Base * height

Area of parallelogram = (2x - 1) * (4x - 7)

(2x - 1) * (4x - 7) = 1

8x² - 14x - 4x + 7 = 1

8x² - 18x + 7 - 1 = 0

8x² - 18x + 6 = 0

Divide through by 2

4x² - 9x + 3 = 0

Solving the quadratic equation :

Using the formula

-b ± √(b² - 4ac) / 2a

a = 4 ; b = - 9 ; c = 3

Plugging in the values :

-(-9) ± √((-9)² - 4(4)(3)) / 2(4)

9 ± √(81 - 48) / 8

9 ± √33 / 8

(9 ± 5.7445626) / 8

(9 - 5.7445626) / 8) = 0.4069

(9 + 5.7445626) / 8 = 1.843

4 0
3 years ago
A teacher gave two tests. 59% passed both tests. 78% passed the first test. What
qwelly [4]
The answer would be A
6 0
3 years ago
Read 2 more answers
Given: a and b are first-quadrant angles, sin a = 5/13 , and cos b = 3/5 , evaluate cos(a + b).
Tanzania [10]

Step-by-step explanation:

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7 0
2 years ago
Evaluate the folowing expression for a=5.<br>6a+[4(2 + a) +2/3 (3a)]​
Sphinxa [80]

Answer:

Solution given:

6a+[4(2 + a) +2/3 (3a)]

Substitute value

6*5+[4(2 + 5) +2/3 (3*3)]

Use BODMAS rule and solve

30+[4*7+2/3*

30+[28+6]

30+34

<u>64</u>

6 0
3 years ago
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