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stellarik [79]
3 years ago
7

You are ordering planks of

Mathematics
1 answer:
Hoochie [10]3 years ago
7 0

you need 10 8' planks of wood because 15x3= 45+9x4= 77, then 77÷8= 9.625, but you can't get .625 of a plank, so 10. hope you get a good grade!

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I need help with this proof
Maksim231197 [3]

Answer:

See explanation

Step-by-step explanation:

Consider two triangles ABF and EDF. These triangles are two right triangles, because angles B and D are right anges.

In these triangles,

  • ∠ABF ≅ ∠EDF - as two right angles;
  • BF ≅ FE - given;
  • ∠AFB ≅ ∠EFD - as vertical angles when two lines AD and BE itersect.

By ASA postulate (or HA postulate) these triangles are congruent, so

ΔABF ≅ ΔEDF

Congruent triangles have congruent corresponding parts, so

FA ≅ EF

6 0
3 years ago
A hypothesis is only tentative: to make sure it's valid, you have to ___________.
GREYUIT [131]
A hypothesis is only tentative: to make sure it's valid, you have to test it.
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Divide. −36/−8 Enter your answer as a mixed number, in simplified form, in the box.
Pavel [41]

Answer:

= 4 whole  1/2

Step-by-step explanation:

Given that:

= −36/−8

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= 9/2

When writing into mixed form:

quotient = 4,   remainder = 1,  divisor = 2  so:

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i hope it will help you!

8 0
3 years ago
What type of transformation takes the graph of f(x)=|x| to the graph of g(x)=−3+|x|?
crimeas [40]

Answer:

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Step-by-step explanation:

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g\left(x\right)=-3+\left|x\right| ----> the transformed function

The vertex  of g(x) is the point (0,-3)

so

The rule of the translation is

f(x) -----> g(x)

(0,0) ----> (0,-3)

(x,y) ----> (x,y-3)

That means ---> The translation is 3 units down

see the attached figure to better understand the problem

7 0
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Tasya [4]

Answer:

a

Step-by-step explanation:

7 0
3 years ago
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