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natka813 [3]
3 years ago
14

A school principal ordered 1,000 pencils. He gave an equal number to each of 7 teachers until he had given out as many as possib

le. How many pencils were left?
Mathematics
1 answer:
Semenov [28]3 years ago
3 0
1000/7 = <span>142.857142857

Because this is not an even number we take "142", then times it by 7 teachers.

142*7= 994

1000 - 994 = 6 Pencils left</span>
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The length of the garden is 10 feet more than twice its width. The perimeter of the garden is 170 feet.
icang [17]

Answer:

The width of the garden is 25 feet

The length of the garden is 60 feet

Step-by-step explanation:

The formula for the perimeter of a rectangle

= P = 2L + 2W

Where L = Length, W = Width

The length of the garden is 10 feet more than twice its width.

P = 170

L = 2W + 10

Hence,

170 = 2(2W + 10) + 2W

170 = 4W + 20 + 2W

Collect like terms

170 - 20 = 6W

150 = 6W

W = 150/6

W = 25 feet

The width of the garden is 25 feet

Remember

L = 2W + 10

L = 2(25) + 10

L = 50 + 10

L = 60 feet

The length of the garden is 60 feet

3 0
3 years ago
A square has a side of 400 feet. how many squares with a side length of 2 can compliantly cover this square
Charra [1.4K]
400*400=160,000 which is the area of the square

2*2=4 which is the area of the smaller square

160,000/4=40,000

40,000 of the smaller squares can fit inside the larger square
8 0
3 years ago
Which is a right triangle?<br> 10, 13,8<br> 7, 9, 16<br> 4. 8. 12<br> 36, 27, 45
geniusboy [140]

Answer:

get a piece of graphing paper and count out the squares and then when you make the triangles you should have your answer.

Step-by-step explanation:

all i know is that it's not the third one hope this helps!

8 0
3 years ago
Read 2 more answers
The equation of the line of best fit of a scatter plot is y = 12x + 7. What is the slope of the equation? −12 −7 12 7
BabaBlast [244]
Well,

Slope-intercept form is given as follows:
y = mx + b

In this equation, "m" is the slope, and "b" is the y-intercept.

y = 12x + 7

We can clearly see that the 12 in the equation is the "m" in the general slope-intercept form.

Therefore, the slope of the equation is 12.
6 0
4 years ago
Read 2 more answers
Simplify algebraic expression 3/4 (1/2X - 12) + 4/5
Nata [24]
\frac{3}{4} ( \frac{1}{2} x-12)+ \frac{4}{5} = 

=\frac{3}{4} ( \frac{x}{2} -12)+ \frac{4}{5}

= \frac{3x}{8} -9+ \frac{4}{5}

= -\frac{41}{5} + \frac{3x}{8}


The answer is: -\frac{41}{5} + \frac{3x}{8}

8 0
3 years ago
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