2 years ago

Help me pls I'm stuck......

Mathematics

1 answer:

Volgvan2 years ago

6 0

subtracting the smaller number from the larger number

ex. 1+ -5 becomes 5-1 = 4, since the larger number is the negative, the answer is negatives oit is -4

ex2. -5+7 = 7-5 = 2, since the larger number is positive, the answer is positive 2

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7th grade math help me plzzz

murzikaleks [220]

Answer:

a. -7 + 3

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Step-by-step explanation:

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2 years ago

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In 1997 the interest category for 12% of all new magazines was sports. This describes a parameter. True or false

algol13

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2 years ago

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1. Isaac goes to an amusement park where tickets for the rides cost $10 per sheet and tickets for the shows cost $15 each.

Degger [83]

The answers I have gotten are
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2 years ago

Identify the recursive formula for the sequence 900, 850, 800, 750,...

stepan [7]

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7 months ago

What is the length of AC? 3 ft 4 ft 9 ft 18 ft

iragen [17]

Answer: The length of AC is 18 ft.

Step-by-step explanation:

By the given diagram,

AM = MB and CN = NB

M and N are the mid points of the sides AB and CB respectively,

Thus, by the mid point theorem,

MN ║ AC,

By the alternative interior angle theorem,

∠BMN ≅ ∠BAC

∠BNM ≅ ∠BCA

Thus, by AA similarity postulate,

ΔBMN ≅ ΔBAC

By the property of similar triangles,

$\frac{BM}{BA}=\frac{MN}{AC}$

$\frac{BM}{BM+MA}=\frac{MN}{AC}$

$\frac{4}{4+4}=\frac{9}{AC}$

$\frac{4}{8}=\frac{9}{AC}$

$4AC=72\implies AC = 18\text{ ft}$

Thus, The length of AC is 18 ft.

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2 years ago

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