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yulyashka [42]
3 years ago
15

The sum of 3x^2 +5x-6 and -x^2+3x +9 is

Mathematics
1 answer:
gladu [14]3 years ago
6 0
The answer to the first one is 11x-6 (I think) sorry but idk the second question
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The Pythagorean theorem is a2+b2=c2. Solve for b.
nata0808 [166]

Answer:

b = √c²-a²

Step-by-step explanation:

b² = c² - a²

b = √c²-a²

3 0
2 years ago
Express 3080 as a product of prime factors
n200080 [17]
Prime Factors of 3080 =2, 2, 2, 5, 7, 11

Which is the same as = 23 x 5 x 7 x 11

Prime Factors Tree of 3080

3080
/ \
2 1540
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2 385
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5 77
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7 11
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4 0
2 years ago
Find the value of x and the value of y for which (x,23) and (18,y) ate the points on the graph y=0.5x+15
shutvik [7]

Answer:

x=16; y=24

Step-by-step explanation:

for (x,23), 23=0.5x+15

x=16

for (18xy), y=0.5*18+15=24

8 0
3 years ago
Which factorization is equivalent to this expression<br> -32xy + 20y - 14
densk [106]

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-2(16xy-10y+7)

Step-by-step explanation:

-2(16xy-10y-7)= -2×16xy-2(-10y)-2×7

-2(16xy-10y+7)= -32xy+20y-14

3 0
2 years ago
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F=9/5C+32. Solve for C.
Ymorist [56]
The answer is F= 68 C=20
5 0
2 years ago
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