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3 years ago

Please helllllllpppppppp???????

Mathematics

2 answers:

valina [46]3 years ago

7 0

Draw a point at (0,1). Go down 2 units and right 1 unit. Draw a straight line connecting the two points.

Stells [14]3 years ago

5 0

Put a point here: (0,1)

Then go down two and over one. Then keep on doing that until you see a line form with the dots

Connect the dots

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Isosceles triangle DEF has base angles D and F. If DE = (4x + 10) and EF = (8x – 2), what is the value of x, and what is the val

Vlada [557]

Answer:

X=3

DE=22

Step-by-step explanation:

5 0

3 years ago

How do you multiple 1 1/3 × 5/6

Ostrovityanka [42]

So 1 and 1/3 times 5/6
first convert 1 1/3 into improper fraction (x/y)

1 1/3=3/3+1/3=4/3

4/3 times 5/6=(4 times 5)/(3 times 6)=20/18=10/9

the answer is 10/9 or 1 and 1/9 or 1 1/9

3 0

3 years ago

Read 2 more answers

Is this right???????

Tatiana [17]

Answer:

yes it is

Step-by-step explanation:

it is right because x=5 so u just replace the x just like u did. then add 5+3 and get 8. and 8 is NOT greater than 12. good job ")

8 0

3 years ago

Read 2 more answers

An analysis of the grades on the first test in History 101 revealed that they approximate a normal curve with a mean of 75 and a

QveST [7]

Answer:

b. 85

Step-by-step explanation:

Average grade (μ) = 75

Standard deviation (σ) = 8

Assuming a normal distribution, the z-score corresponding to the upper 10% of the test grades is z = 1.28.

The minimum grade 'X' within the top 10% is given by:

$z=\frac{X-\mu}{\sigma}\\1.28=\frac{X-75}{8}\\X=85.24$

Rounding to the nearest percent, the dividing point between an A and a B grade is 85.

3 0

3 years ago

A group of students are intending to offer a present to a friend. If each one pays 3000 LL.

Elanso [62]

Answer:

There are 8 friends and the presents costs $30,000

Step-by-step explanation:

Let x be the number of students and y be the price of the present. Their contributions can be expressed as:

$3000x=y-6000\ \ \ \ \ \ ...i\\\\4000x=y+2000\ \ \ \ \ \ \ \...ii$

#Make y the subject in equation i then substitute in ii:

$y=3000x+6000\\\\\#substitute \ in \ ii\\\\4000x=y+2000\\\\4000x=(3000x+6000)+2000\\\\1000x=8000\\\\x=8\\\\y=3000\times 8+6000\\\\y=30000$

Hence, there are 8 friends and the present is priced at $30,000

3 0

3 years ago