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Ainat [17]
3 years ago
11

10 points thanks in advanced

Mathematics
1 answer:
creativ13 [48]3 years ago
8 0
The answer is 1 2/5 ft²


The area (A) of the rectangle is:

A = w * l

w - width
l - length
We have:

w = 7/8 ft

l = 1 3/5 ft = 1 + 3/5 = 5/5 + 3/5 = (5 + 3)/5 = 8/5 ft


A = w * l

A = 7/8 * 8/5

A = 7/5 = (5+2)/5 = 5/5 + 2/5 = 1 + 2/5 = 1 2/5 ft²
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18 inches to 36 inches. Is this an increase or decrease?
Katarina [22]

Answer:

increase

Step-by-step explanation:

36-18 = 18

the difference is in positive value.

therefore it is increasing

7 0
3 years ago
Can you please help me
Sergio039 [100]

Take into account the length of the right side of the figure is 10. Moreover, x is the hypotenuse of a right triangle. To find the value of x, use the sine function:

cos 45 = opposite side/hypotenuse

cos 45 = 10/x solve for x

x = 10/cos 45

x = 10/0.707

x = 14.14

with the previous value of x, you can find y. Again, consider the right triangle right side. x is the hypotenuse. Use the Pythagorean theorem to find y:

x² = 10² + y² solve for y and replace x

y² = x² - 10²

y² = (14.14)² - 100

y² = 200 - 100

y² = 100 apply square root both sides

y = 10

Hence, the values of x and y are 14.14 and 10 respectively

7 0
1 year ago
What is 83/9 as a mixed number
vodka [1.7K]
9) 83 (9
   -81
   ___
      2

Mixed fraction formula: Quotient Reminder/Dividend
                                      Q = 9  R=2  D=9

So, 83/9 in mixed fraction is 9 2/9

HOPE THIS HELPS!!!!
3 0
3 years ago
If you have 2 pounds of grapes and there $6 how much is 1 pound grapes?
Vikki [24]

Answer:

$3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What multiplies to -29 and adds to 1
Margarita [4]
First set up equation
x times y=xy

so
xy=-29
and
x+y=1
subtract x from both sides
y=1-x
subsitute 1-x for y in first equation
x(1-x)=-29
distribute
x-x^2=-29
add x^2 to both sides
x=-29+x^2
subtract x from both sides
0=x^2-x-29
so we can use the quadratic formula to solve for x if the equation=0 and it is in ax^2+bx+c form so

if
ax+bx+c=0 then x=\frac{ -b+/-\sqrt{b^2-4ac} }{2a} that means x=\frac{ -b-\sqrt{b^2-4ac} }{2a} or x=\frac{ -b-\sqrt{b^2-4ac} }{2a} so


x^2-x-29
a=1
b=-1
c=-29
\frac{ -(-1)-\sqrt{-1^2-4(1)(-29)} }{2(1)}=\frac{ +1-\sqrt{1^2-(-116)} }{2(1)}=\frac{ +1-\sqrt{1^2+116} }{2}=\frac{ +1-\sqrt{117} }{2}= \frac{1-10.816653826392}{2} = [tex] \frac{-9.816653826392}{2}= -4.908326913196



the second number is
\frac{ -(-1)+\sqrt{-1^2-4(1)(-29)} }{2(1)}=\frac{ +1+\sqrt{1^2+(-116)} }{2(1)}= \frac{1+10.816653826392}{2} = \frac{ +1+\sqrt{117} }{2}=  \frac{10.816653826392}{2}=5.908326913196


the two numbers are
5.908326913196 and
-4.908326913196


7 0
3 years ago
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