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inysia [295]
3 years ago
12

What is the answer for 710 1/4 - -320 1/2

Mathematics
1 answer:
OLEGan [10]3 years ago
6 0

Answer:

389 and 3/4

Step-by-step explanation:

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Two points located on jk are j (-1,-9) and k (5,3). What is the slope of jk?
Ivenika [448]

Answer:

2

Step-by-step explanation:

slope of line= \frac{y1 - y2}{x1 - x2}

slope of JK

=  \frac{3 - ( - 9)}{5 - ( - 1)}  \\  =  \frac{3 + 9}{5 + 1}  \\  =  \frac{12}{6}  \\  = 2

7 0
3 years ago
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Ilia_Sergeevich [38]

Answer:

1/2 is the pre image for this

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2 years ago
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Jermaine got an 84% on a math test. If the test had 25 questions, how many
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21

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why do you use points when you could literally just search it up

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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
chloe is sorting items at a thrift store. She finds a box of tiny blocks that has 1,344 written on the outside. She can see that
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There is 21 layers in the box.
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