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3 years ago

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Using the given statements, state whether the conditional statement is true or false. p: 2 + 2 = 4 q: 7 + 1 = 7 Is p q true or f

alse?

1 answer:

Mrrafil [7]3 years ago

5 0

2+2=4 i.e P is true but 7+1≠7 it must be 8 so q is false

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The nile river, the longest river in the world, is 66.7x100 kilometers long. What is the nile's length?

kvasek [131]

Well if you multiply 66.7 x 100 you get 6,670.0. When multiplying by numbers like 10, 100, 1,000, etc, just simply transfer the 0's. So in this case, there are 2 0's in 100, so you add 2 of the 0's behind 66.7. So when you add the 2 of the 0's you get 6,670.0 which should be your answer.

4 0

4 years ago

Factorize the following algebraic expression:

Hoochie [10]

X^2+16-38=0
find what 2 numbers multiply to get -38 and add to get 16
find factors of 38
2 times 19
there is no way to use common factor so use quadratic formula which is
x= $\frac{ -b+\sqrt{b^2-4ac} }{2a}$ or x= $\frac{ -b-\sqrt{b^2-4ac} }{2a}$

ax^2+bx+c=0 subsitte
a=1
b=16
c=-38
subsitute
$\frac{ -16+\sqrt{16^2-4(1)(-38)} }{2(1)}$ = $\frac{ -16+\sqrt{256+152} }{2}$ = $\frac{ -16+\sqrt{408} }{2}$ = $\frac{ -16+2\sqrt{102} }{2}$ = $-8+\sqrt{102}$
so the answers for x are $-8+\sqrt{102}$ and $-8-\sqrt{102}$ which are aprox -2.099504938362 and +18.099504938362
so it would be
(x-[-8+√102])(x+[8+√102])=0

6 0

3 years ago

Someone please helppp.....

Alecsey [184]

I believe that the answer would be B) y = x + 19

3 0

3 years ago

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Plesse help geomrety

marin [14]

X + number = 114
Make sure x is 50
Then switch it and
X + number = 50
Make sure it’s 14

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3 years ago

HELPPP MY HW IS DUE IN 5 MINUTES. WHATS 2 PLUS 2. PLZZZ ANSWER QUICKKKK

svp [43]

Answer: 4

Step-by-step explanation: 2+2 is 4

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3 years ago

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