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Evgesh-ka [11]
3 years ago
8

Can anyone help me with this please.

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
6 0
All you need to do is length x width x height 8x9x5 divided by 2
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the map distance between A and B is 15 cm the scale of the map is 1 cm is 7 km what is the ground distance​
Afina-wow [57]

Answer:

105 km

Step-by-step explanation:

so, 1 cm on the map is 7 km in real life.

15 cm is 15 times 1 cm

so, the real life distance is 15×7 = 105 km

3 0
2 years ago
A mother has two apples, three pears, and four oranges. She plans to give her son one piece of fruit every morning for nine days
Olin [163]

Answer:

Umm nine ways?

Step-by-step explanation:

5 0
2 years ago
A rectangular poster is to contain 722 square inches of print. the margins at the top and bottom of the poster are to be 2 inche
Delvig [45]
Let
x ----------> the height of the whole poster
<span>y ----------> the </span>width<span> of the whole poster
</span>
We need to minimize the area A=x*y

we know that
(x-4)*(y-2)=722
(y-2)=722/(x-4)
(y)=[722/(x-4)]+2

so
A(x)=x*y--------->A(x)=x*{[722/(x-4)]+2}
Need to minimize this function over x > 4

find the derivative------> A1 (x)
A1(x)=2*[8x²-8x-1428]/[(x-4)²]

for A1(x)=0
8x²-8x-1428=0
using a graph tool
gives x=13.87 in

(y)=[722/(x-4)]+2

y=[2x+714]/[x-4]-----> y=[2*13.87+714]/[13.87-4]-----> y=75.15 in

the answer is
<span>the dimensions of the poster will be
</span>the height of the whole poster is 13.87 in
the width of the whole poster is 75.15 in

6 0
3 years ago
in a class of 50 students 15 are girls.five girls and 2/7 of the boys were chosen to play a match .the total number of students
Aleks [24]

Answer:

15 students

Step-by-step explanation:

No. of boys students = No. of all students - No. of girls

no. of boys =50-15 = 35 boys

the boys that will play the match are 2/7 of boys = (2/7)x35 = 10 boys

and the girls that will play the match are 5 girls

so, no of students chosen to play = 5+10=15 students

5 0
3 years ago
Methods for graphing lunear equations
Flura [38]

Answer:

Step-by-step explanation:

The first method is by plotting points and then dreaming a line through the points. The second is by using the y intercept and slope the third is applying transformation to the identity function. F(x)=x(x)=x

6 0
3 years ago
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