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aleksley [76]
3 years ago
6

Ayden had a goal of finishing painting at least 80% of the 500 square meters of a houses walls by today. He finishes 415 meters

today. Did ayden meet his goal? How many square meters less than his goal did he paint?
Mathematics
1 answer:
lord [1]3 years ago
3 0
Yes no square meters less 15 more
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In a square,the sum of the length of three sides is 48 and in a rectangle the difference between a length and width is 7 in if a
kap26 [50]

Answer:

23

Step-by-step explanation:

The sides of a square are all the same length, so if 3 of them total 48, one of them must be 48/3 = 16.

If the length of the rectangle is 7 longer than the side of the square, it is

... 16 + 7 = 23

8 0
3 years ago
The two shorter sides of a triangle are the same length. The length of the longer side is 5 m longer than each of the shorter si
Novosadov [1.4K]
Here's my answer! :)

6 0
3 years ago
Please show work and will give Brainliest!!!!
Tpy6a [65]

Answer:

y + 9 = -0.4(x-7)

Step-by-step explanation:

in slope form , we will use y - y1 =m ( x - x1) ,

which will be y + 9 = -2/5(x-7) ,

in reduced form , we have y + 9 = -0.4(x-7)

6 0
3 years ago
Solve (x + 4)2 – 3(x + 4) – 3 = 0 using substitution. u = Select the solution(s) of the original equation.
bezimeni [28]

Answer:

\dfrac{-5-\sqrt{21}}{2},\ \dfrac{-5+\sqrt{21}}{2}

Step-by-step explanation:

For the equation (x+4)^2-3(x+4)-3=0 use the substitution u=x+4. Then the equation will take look

u^2-3u-3=0.

Solve this quadratic equation:

D=(-3)^2-4\cdot 1\cdot (-3)=9+12=21,\\ \\u_{1,2}=\dfrac{-(-3)\pm \sqrt{21}}{2}=\dfrac{3\pm\sqrt{21}}{2}.

Thus,

x+4=\dfrac{3-\sqrt{21}}{2}\text{ or }x+4=\dfrac{3+\sqrt{21}}{2},\\ \\x_1=\dfrac{3-\sqrt{21}}{2}-4=\dfrac{-5-\sqrt{21}}{2}\text{ or }x_2=\dfrac{3+\sqrt{21}}{2}-4=\dfrac{-5+\sqrt{21}}{2}.

8 0
3 years ago
Read 2 more answers
five times the sum of a number and 27 is greater than or equal to six times the sum of the number and 26 what is the solution to
zvonat [6]
5(n + 27) >= 6(n + 26)

5n + 135 >= 6n + 156

-n >= 21

n <= -21
6 0
3 years ago
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