3 years ago

Alain throws a stone off a bridge into a river below.

Mathematics

1 answer:

Eddi Din [679]3 years ago

6 0

Answer:

3 seconds.

Step-by-step explanation:

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Daniel is trying to determine the value of each of three variables: a, b, and c. How many equations must be in the system of equ

jeka94

Answer:

C. Three equations

Step-by-step explanation:

In general, one independent equation is needed for each variable in a system. For a system with 3 variables, 3 independent equations are needed.

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3 years ago

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What is the distance between (-6. 2) and (8.10) on a coordinate grid?

nalin [4]

Answer:

The distance between 2 points is 16.1 units.

Step-by-step explanation:

You have to apply distance formula using coordinates,

$distance = \sqrt{ {(x2 - x1)}^{2} + {(y2 - y1)}^{2} }$

Let (x1,y1) be (-6,2),

Let (x2,y2) be (8,10)

$distance = \sqrt{ {(8 - ( - 6))}^{2} + {(10 - 2)}^{2} }$

$distance = \sqrt{196 + 64}$

$distance = \sqrt{260}$

$distance = 2 \sqrt{65}$

$distance = 16.1 \: units \: (3s.f)$

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3 years ago

The length of a rectangle is one less than twice the width. The perimeter is 46.

Vinvika [58]

Answer:

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Step-by-step explanation:

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3 years ago

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0<br> Which expression has the same value as 27 + 36?<br> 3 x (9 +13)<br> 2 (13 + 18)<br> 9x (3 + 4)

scoray [572]

Answer:

9×(3+4)

Step-by-step explanation:

9×3=27, 9×4=36

hope this helps

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4 0

3 years ago

In a class 5here are 15 girls and 35 boys what is the ratio of girls to boys

nordsb [41]

Answer:

girls to boys = 3 : 7

Step-by-step explanation:

girls to boys = 15 : 35

simplify by dividing with 5

girls to boys = 3 : 7

6 0

2 years ago