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iogann1982 [59]

3 years ago

5

a test has 20 questions it award 3 points is the answer is correct and takes away 1 point if the answer is incorrect . what inte

ger represents the amount of points the student lost?

1 answer:

Alex73 [517]3 years ago

6 0

Answer:

1(20-x)

Step-by-step explanation:

let the number of correct answers be x

so wrong will be 20-x

1 mark cancelled from each question

therefore,

1(20-x) will be the answer

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The answer i’m on a timer

8_murik_8 [283]

Answer:

D. Down 5, Left 2

Step-by-step explanation:

-5 on the outside means it will go down 5.

+2 directly grouped with the variable means it will do the opposite, so it goes left 2.

7 0

3 years ago

Find the value of all angles

o-na [289]

Answer:

Step-by-step explanation:

This means that <C and <F are congruent.

So 2x - 15 = x + 15 Add 15 to both sides

2x-15+15=x+15+ 15

2x = x + 30 Subtract x from both sides

2x-x=x-x+30

x = 30

I've taken the bottom 2 angles to be equal. The lettering says they

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3 0

2 years ago

What’s the quotient of the 1/4 divided by 1/16

dusya [7]

1/4 divided by 1/16 is the same thing as 1/4 times 16/1 so that would multiple to 16/4 which is 4.

3 0

3 years ago

The solution set of 4x-(x+7)=2(x+3)

maria [59]

Step-by-step explanation:

<h3><u>To</u><u> </u><u>Solve</u><u>:</u><u>-</u></h3>

$\\ \tt{:}\leadsto 4x-(x+7)=2(x+3)$

<h3><u>SOL</u><u>UTION</u><u>:</u><u>-</u></h3>

$\\ \tt{:}\leadsto 4x-(x+7)=2(x+3)$

$\\ \tt{:}\leadsto 4x-x-7=2x+6$

$\\ \tt{:}\leadsto 3x-7=2x+6$

$\\ \tt{:}\leadsto 3x-2x=6+7$

$\\ \tt{:}\leadsto x=13$

7 0

2 years ago

–2x2 – 12x – 9 = 0 PLS HELP I DO NOT WANT TO FAIL I WILL GIVE BRAINLIEST

Pie

The right answer is -13/12.

4 0

2 years ago