2 years ago

HELP NOW PLEASE brainlest and 20 points

Mathematics

2 answers:

ch4aika [34]2 years ago

6 0

1. 3rd option

2. 3rd option as well

ki77a [65]2 years ago

5 0

First one is A
second one is C

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plz help need help fast The figure is the net for a rectangular prism.

Art [367]

Two small rectangle at the end areas are:
3x5=15
15x2=30
Longer middle rectangle is:
Length:5+3+5+3=16
Width:9
16x9=144
30+144=174

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2 years ago

Two quantities, x and y, are directly proportional. If x is doubled, what happens to y?

vagabundo [1.1K]

Answer:

y is also doubled.

Step-by-step explanation:

Direct proportionality between $x$ and $y$ means that

$y \propto x$

$y=cx$ ,

which indicates a linear relationship between $x$ and $y$ because they are related by a constant.

Therefore, if x is doubled, then the new value of $y$ is $y_{new}$

$y_{new}=c(2x)$

$y_{new}=2(cx)$

$y_{new}=2y$

The new value of $y$ is 2 times the previous; therefore, $y$ is doubled as $x$ is doubled.

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2 years ago

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What is the greatest common factor of 18 54 and 72?

FrozenT [24]

I hope this helps you

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2 years ago

I dont undertand perfect square trinomials

AlexFokin [52]

Answer:

$(3x-5)(3x-5)$

Step-by-step explanation:

$(3x-5)(3x-5)=(3x-5)^2$

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1 year ago

Choose the correct number sentence that shows how many boys are in the fourth grade?

Tatiana [17]

Answer:

OPTION C

Step-by-step explanation:

78-39=39

so: 39+39=78 (b=39)

so: 39+b= 78

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2 years ago

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