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3 years ago

I NEED THIS ASAP!!! WHOEVER ANSWERS FIRST WILL MARK BRAINLEST

Mathematics

2 answers:

kobusy [5.1K]3 years ago

5 0

I saw this earlier and it doesn’t really make sense. what unit/ math course are y’all in rn

Effectus [21]3 years ago

3 0

Answer:

LOOK

Step-by-step explanation:

Put the points into the equation and solve for the missing value.

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A teacher needs 256 lengths of string cut to 40cm each. If balls of string are 30M long, how many balls are needed?

Otrada [13]

First you need to work out how much string is needed -
256 pieces needed x 40cm each:
256 x 40 = 10240cm

Then, convert to metres (100cm = 1m)
10240 / 100 = 102.4m

Then, you work out how many balls are needed:
30 can fit into 102.4 3 times with .41m to spare. So, you need three balls of string, PLUS another one to cover the 41cm

So to conclude: 4 balls of string are needed.

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3 years ago

Corinna is taking a test in which short-answer questions are worth 10 points each and essay questions are worth 15 points each.

romanna [79]

Can smart people answer.??????? Corinna is taking a test in which short-answer questions are worth 10 points each and essay questions are worth 15 points each. She estimates that it takes 3 min to answer each short- answer question and 6 min to answer each essay question. The total time allowed is 60 min, and no more than 16 questions can be answered. Assuming that all her answers are correct, how many questions of each type should Corinna answer in order to get the best score?

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3 years ago

What is y= 2x - 10 and y= 4x - 1

AlexFokin [52]

2x 10 = 4x - 1

-2x - 10 = -1

-2x = 9

x = -9/2

y = 2(-9/2) -10
y = -9 - 10
y= -19

5 0

3 years ago

Given a triangle ABC at A = ( - 1, 3 ) B = ( 1, - 1 ) C = ( 2, 2 ) and if the triangle is rotated 90 ° clockwise about the point

lidiya [134]

Answer:

The coordinates of A' are (6,6).

Step-by-step explanation:

It is given that in triangle ABC, A = (-1, 3), B = (1, - 1) and C = (2, 2).

If a point is rotated 90 ° clockwise about the point ( a,b ), then

$(x,y)\rightarrow ((y-b)+a,-(x-a)+b)$

It is given that the triangle is rotated 90 ° clockwise about the point ( 4, 1 ). So, a=4 and b=1.

$(x,y)\rightarrow ((y-1)+4,-(x-4)+1)$

$(x,y)\rightarrow (y+3,-x+5)$

The coordinates of A are (-1,3), So, the coordinates of A' are

$A(-1,3)\rightarrow A'(3+3,-(-1)+5)$

$A(-1,3)\rightarrow A'(6,6)$

Therefore the coordinates of A' are (6,6).

7 0

3 years ago

A ball is thrown at a 30 degree angle above the horizontal with a speed of 10 ft/s. After 0.50s the horizontal component of it's

mezya [45]

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3 years ago