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mihalych1998 [28]
3 years ago
11

How can you use the Pythagorean theorem to solve problems

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
7 0
The photo below shows -

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How many pennies are in one-dollar??
OleMash [197]

Answer:

There are 100 pennies in one dollar.

Step-by-step explanation:

5 0
2 years ago
Z² + 2z+1-w²<br><br> Please factor.
Rus_ich [418]
Your answer is (z+1+w) (z+1-w)
3 0
3 years ago
Solve the system by graphing. Y=2x-9 y=-2x-1
sattari [20]

Answer:

(2,-5)

Step-by-step explanation:

See attachment

One can also solve this by calculation:

y=2x-9

y=-2x-1

-

Rearrange either equation to find x.  I'll use the first:

y=2x-9

2x = y+9

x = (y+9)/2

Now use this value of x in the second equation:

y =  -2x-1

y =-2((y+9)/2)-1

y = (-2y-18)/2)-1

y = -y -9 - 1

2y = -10

y = -5

Now use -5 for y in the rearranged equation:

y =  -2x-1

-5 =  -2x-1

-2x = -4

x = 2

Solution is (2,-5)

But the question wants a graph solution, which is also fun when you use DESMOS.

4 0
2 years ago
Last year at a certain high school, there were 125 boys on the honor roll and 80 girls on the honor roll. This year, the number
Elodia [21]

Answer:

6.8% decrease

Step-by-step explanation:

a drop of 8% means that only 92% of 125 boys remained on honor roll from last year; .92 x 125 = 115

a drop of 5% means that only 95% of 80 girls remained on honor roll from last year; .95 x 80 = 76

total number of students on honor roll last year = 125 + 80 = 205

total number of students on honor roll this year = 115 + 76 = 191

percent of change = (191 - 205) ÷ 205 = -14/205 = -.068

-.068, which represents a 6.8% decrease

3 0
2 years ago
Rooster + rooster + rooster =20
Leya [2.2K]
If rooster = 6 eggs =10 banana = 5 and 6+10x5= 56
6 0
2 years ago
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