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3 years ago

I need help this is timed i will mark u as brainliest.

Mathematics

2 answers:

dezoksy [38]3 years ago

4 0

Answer:

-8

Step-by-step explanation:

Irina-Kira [14]3 years ago

4 0

Answer:

I'm not very sure but it might be 12.

I'm very sorry if this is incorrect and I am going to vote myself 2 stars so you see this last

i-i dont deserve these points

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13) -4= -b -1/3b and -23/3= 1/2a + 5/3a

Sergeeva-Olga [200]

-4=-1b-(1/3)b

-4=-(4/3)b

-4/-(4/3)=b

b=3

-------------------------------

(1/2)3+(5/3)2

3/6+10/6=13/6

-23/3=13/6a

(-23/3)/(13/6)=a

a=-46/13

7 0

3 years ago

It took Mrs. Harpole 35 minutes to grade

stepladder [879]

Answer:

700 minutes or 11.67 hours

Step-by-step explanation:

35/4=8.75

8.75*80=700

8 0

3 years ago

25 POINTS HURRY Brainliest!!!

Alborosie

I think the answer is B

7 0

3 years ago

Read 2 more answers

Victor is measuring his bodily dimensions. his neck is 14.72 inches in circumference, and his forearm is 25.81 centimeters long.

Triss [41]

The length of his neck is longer than the length of his forearms by 44.86 %.

<h3>Calculations and Parameters:</h3>

Given:

Length of his neck = 14.72 inches

Length of his forearm = 25.81 cm

We know that:

1 inch = 2.54 cm

So, 14.72 inches = 14.72×2.54

=37.39 cm

So, the Length of his neck becomes 37.39 cm

So, the length of his neck is longer than the length of his forearms.

The difference between them is given by

37.39-25.81

=11.58 cm

so, the Percentage of change would be

11.58/25.81 * 100

=44.86%